diff --git a/project/.gitignore b/project/.gitignore
new file mode 100644
index 0000000..5fbad0c
--- /dev/null
+++ b/project/.gitignore
@@ -0,0 +1,11 @@
+target/
+*.class
+
+lo_profile*/
+report_render*/
+reference_report.docx
+
+.idea/
+*.iml
+
+*.log
diff --git a/project/movies_analysis.csv b/project/movies_analysis.csv
index 6a12e80..66982a7 100644
--- a/project/movies_analysis.csv
+++ b/project/movies_analysis.csv
@@ -1,51 +1,10 @@
-排名,标题,年份,评分,导演,国家,评价人数,模拟票房
-1,肖申克的救赎,1994,9.7,弗兰克·德拉邦特 Frank Darabont 主演: 蒂姆·罗宾斯 Tim Robbins /... 1994 / 美国 / 犯罪 剧情,美国,0,0.00
-2,霸王别姬,1993,9.6,陈凯歌 Kaige Chen 主演: 张国荣 Leslie Cheung / 张丰毅 Fengyi Zha... 1993 / 中国大陆 中国香港 / 剧情 爱情 同性,中国大陆 中国香港,0,0.00
-3,泰坦尼克号,1997,9.5,詹姆斯·卡梅隆 James Cameron 主演: 莱昂纳多·迪卡普里奥 Leonardo... 1997 / 美国 / 剧情 爱情 灾难,美国,0,0.00
-4,阿甘正传,1994,9.5,罗伯特·泽米吉斯 Robert Zemeckis 主演: 汤姆·汉克斯 Tom Hanks / ... 1994 / 美国 / 剧情 爱情,美国,0,0.00
-5,千与千寻,2001,9.4,宫崎骏 Hayao Miyazaki 主演: 柊瑠美 Rumi Hîragi / 入野自由 Miy... 2001 / 日本 / 剧情 动画 奇幻,日本,0,0.00
-6,美丽人生,1997,9.5,罗伯托·贝尼尼 Roberto Benigni 主演: 罗伯托·贝尼尼 Roberto Beni... 1997 / 意大利 / 剧情 喜剧 爱情 战争,意大利,0,0.00
-7,星际穿越,2014,9.4,克里斯托弗·诺兰 Christopher Nolan 主演: 马修·麦康纳 Matthew Mc... 2014 / 美国 英国 加拿大 / 剧情 科幻 冒险,美国 英国 加拿大,0,0.00
-8,这个杀手不太冷,1994,9.4,吕克·贝松 Luc Besson 主演: 让·雷诺 Jean Reno / 娜塔莉·波特曼 ... 1994 / 法国 美国 / 剧情 动作 犯罪,法国 美国,0,0.00
-9,盗梦空间,2010,9.4,克里斯托弗·诺兰 Christopher Nolan 主演: 莱昂纳多·迪卡普里奥 Le... 2010 / 美国 英国 / 剧情 科幻 悬疑 冒险,美国 英国,0,0.00
-10,楚门的世界,1998,9.4,彼得·威尔 Peter Weir 主演: 金·凯瑞 Jim Carrey / 劳拉·琳妮 Lau... 1998 / 美国 / 剧情 科幻,美国,0,0.00
-11,辛德勒的名单,1993,9.5,史蒂文·斯皮尔伯格 Steven Spielberg 主演: 连姆·尼森 Liam Neeson... 1993 / 美国 / 剧情 历史 战争,美国,0,0.00
-12,忠犬八公的故事,2009,9.4,莱塞·霍尔斯道姆 Lasse Hallström 主演: 理查·基尔 Richard Ger... 2009 / 美国 英国 / 剧情,美国 英国,0,0.00
-13,海上钢琴师,1998,9.3,朱塞佩·托纳多雷 Giuseppe Tornatore 主演: 蒂姆·罗斯 Tim Roth / ... 1998 / 意大利 / 剧情 音乐,意大利,0,0.00
-14,疯狂动物城,2016,9.3,拜伦·霍华德 Byron Howard / 瑞奇·摩尔 Rich Moore 主演: 金妮弗·... 2016 / 美国 / 喜剧 动画 冒险,美国,0,0.00
-15,三傻大闹宝莱坞,2009,9.2,拉库马·希拉尼 Rajkumar Hirani 主演: 阿米尔·汗 Aamir Khan / 卡... 2009 / 印度 / 剧情 喜剧 爱情 歌舞,印度,0,0.00
-16,机器人总动员,2008,9.3,安德鲁·斯坦顿 Andrew Stanton 主演: 本·贝尔特 Ben Burtt / 艾丽... 2008 / 美国 / 科幻 动画 冒险,美国,0,0.00
-17,放牛班的春天,2004,9.3,克里斯托夫·巴拉蒂 Christophe Barratier 主演: 让-巴蒂斯特·莫尼... 2004 / 法国 瑞士 德国 / 剧情 音乐,法国 瑞士 德国,0,0.00
-18,无间道,2002,9.3,刘伟强 / 麦兆辉 主演: 刘德华 Andy Lau / 梁朝伟 Tony Leung Chiu W... 2002 / 中国香港 / 剧情 犯罪 惊悚,中国香港,0,0.00
-19,控方证人,1957,9.6,比利·怀尔德 Billy Wilder 主演: 泰隆·鲍华 Tyrone Power / 玛琳·... 1957 / 美国 / 剧情 犯罪 悬疑 惊悚,美国,0,0.00
-20,寻梦环游记,2017,9.1,李·昂克里奇 Lee Unkrich / 阿德里安·莫利纳 Adrian Molina 主演: ... 2017 / 美国 / 喜剧 动画 奇幻 音乐,美国,0,0.00
-21,大话西游之大圣娶亲,1995,9.2,刘镇伟 Jeffrey Lau 主演: 周星驰 Stephen Chow / 吴孟达 Man Tat Ng... 1995 / 中国香港 中国大陆 / 喜剧 爱情 奇幻 古装,中国香港 中国大陆,0,0.00
-22,熔炉,2011,9.3,黄东赫 Dong-hyuk Hwang 主演: 孔侑 Yoo Gong / 郑有美 Yu-mi Jung /... 2011 / 韩国 / 剧情,韩国,0,0.00
-23,触不可及,2011,9.3,奥利维·那卡什 Olivier Nakache / 艾力克·托兰达 Eric Toledano 主... 2011 / 法国 / 剧情 喜剧,法国,0,0.00
-24,教父,1972,9.3,弗朗西斯·福特·科波拉 Francis Ford Coppola 主演: 马龙·白兰度 M... 1972 / 美国 / 剧情 犯罪,美国,0,0.00
-25,末代皇帝,1987,9.3,贝纳尔多·贝托鲁奇 Bernardo Bertolucci 主演: 尊龙 John Lone / 陈... 1987 / 英国 意大利 中国大陆 法国 / 剧情 传记 历史,英国 意大利 中国大陆 法国,0,0.00
-26,哈利·波特与魔法石,2001,9.2,Chris Columbus 主演: Daniel Radcliffe / Emma Watson / Rupert Grint 2001 / 美国 英国 / 奇幻 冒险,美国 英国,0,0.00
-27,当幸福来敲门,2006,9.1,加布里尔·穆奇诺 Gabriele Muccino 主演: 威尔·史密斯 Will Smith ... 2006 / 美国 / 剧情 传记 家庭,美国,0,0.00
-28,龙猫,1988,9.2,宫崎骏 Hayao Miyazaki 主演: 日高法子 Noriko Hidaka / 坂本千夏 Ch... 1988 / 日本 / 动画 奇幻 冒险,日本,0,0.00
-29,活着,1994,9.3,张艺谋 Yimou Zhang 主演: 葛优 You Ge / 巩俐 Li Gong / 姜武 Wu Jiang 1994 / 中国大陆 中国香港 / 剧情 历史 家庭,中国大陆 中国香港,0,0.00
-30,怦然心动,2010,9.1,罗伯·莱纳 Rob Reiner 主演: 玛德琳·卡罗尔 Madeline Carroll / 卡... 2010 / 美国 / 剧情 喜剧 爱情,美国,0,0.00
-31,蝙蝠侠：黑暗骑士,2008,9.2,克里斯托弗·诺兰 Christopher Nolan 主演: 克里斯蒂安·贝尔 Christ... 2008 / 美国 英国 / 剧情 动作 科幻 犯罪 惊悚,美国 英国,0,0.00
-32,指环王3：王者无敌,2003,9.3,彼得·杰克逊 Peter Jackson 主演: 伊利亚·伍德 Elijah Wood / 西恩... 2003 / 美国 新西兰 / 剧情 动作 奇幻 冒险,美国 新西兰,0,0.00
-33,我不是药神,2018,9.0,文牧野 Muye Wen 主演: 徐峥 Zheng Xu / 王传君 Chuanjun Wang / 周... 2018 / 中国大陆 / 剧情 喜剧,中国大陆,0,0.00
-34,乱世佳人,1939,9.3,维克多·弗莱明 Victor Fleming / 乔治·库克 George Cukor 主演: 费... 1939 / 美国 / 剧情 历史 爱情 战争,美国,0,0.00
-35,飞屋环游记,2009,9.1,彼特·道格特 Pete Docter / 鲍勃·彼德森 Bob Peterson 主演: 爱德... 2009 / 美国 / 剧情 喜剧 动画 冒险,美国,0,0.00
-36,让子弹飞,2010,9.0,姜文 Wen Jiang 主演: 姜文 Wen Jiang / 葛优 You Ge / 周润发 Yun-F... 2010 / 中国大陆 中国香港 / 剧情 喜剧 动作 西部,中国大陆 中国香港,0,0.00
-37,哈尔的移动城堡,2004,9.1,宫崎骏 Hayao Miyazaki 主演: 倍赏千惠子 Chieko Baishô / 木村拓... 2004 / 日本 / 爱情 动画 奇幻 冒险,日本,0,0.00
-38,十二怒汉,1957,9.4,西德尼·吕美特 Sidney Lumet 主演: 亨利·方达 Henry Fonda / 马丁... 1957 / 美国 / 剧情,美国,0,0.00
-39,海蒂和爷爷,2015,9.3,阿兰·葛斯彭纳 Alain Gsponer 主演: 阿努克·斯特芬 Anuk Steffen /... 2015 / 德国 瑞士 / 剧情 冒险 家庭,德国 瑞士,0,0.00
-40,素媛,2013,9.3,李濬益 Jun-ik Lee 主演: 薛景求 Kyung-gu Sol / 严志媛 Ji-won Uhm ... 2013 / 韩国 / 剧情,韩国,0,0.00
-41,猫鼠游戏,2002,9.1,史蒂文·斯皮尔伯格 Steven Spielberg 主演: 莱昂纳多·迪卡普里奥 L... 2002 / 美国 加拿大 / 传记 犯罪 剧情,美国 加拿大,0,0.00
-42,天空之城,1986,9.2,宫崎骏 Hayao Miyazaki 主演: 田中真弓 Mayumi Tanaka / 横泽启子 Ke... 1986 / 日本 / 动画 奇幻 冒险,日本,0,0.00
-43,鬼子来了,2000,9.3,姜文 Wen Jiang 主演: 姜文 Wen Jiang / 香川照之 Teruyuki Kagawa /... 2000 / 中国大陆 / 剧情 喜剧,中国大陆,0,0.00
-44,摔跤吧！爸爸,2016,9.0,涅提·蒂瓦里 Nitesh Tiwari 主演: 阿米尔·汗 Aamir Khan / 法缇玛... 2016 / 印度 / 剧情 传记 运动 家庭,印度,0,0.00
-45,少年派的奇幻漂流,2012,9.1,李安 Ang Lee 主演: 苏拉·沙玛 Suraj Sharma / 伊尔凡·可汗 Irrfan... 2012 / 美国 中国台湾 英国 加拿大 / 剧情 奇幻 冒险,美国 中国台湾 英国 加拿大,0,0.00
-46,钢琴家,2002,9.3,罗曼·波兰斯基 Roman Polanski 主演: 艾德里安·布洛迪 Adrien Brod... 2002 / 英国 法国 波兰 德国 美国 / 剧情 传记 战争 音乐,英国 法国 波兰 德国 美国,0,0.00
-47,指环王2：双塔奇兵,2002,9.2,彼得·杰克逊 Peter Jackson 主演: 伊利亚·伍德 Elijah Wood / 西恩... 2002 / 美国 新西兰 / 剧情 动作 奇幻 冒险,美国 新西兰,0,0.00
-48,死亡诗社,1989,9.2,彼得·威尔 Peter Weir 主演: 罗宾·威廉姆斯 Robin Williams / 罗伯... 1989 / 美国 / 剧情,美国,0,0.00
-49,大话西游之月光宝盒,1995,9.0,刘镇伟 Jeffrey Lau 主演: 周星驰 Stephen Chow / 吴孟达 Man Tat Ng... 1995 / 中国香港 中国大陆 / 喜剧 爱情 奇幻 古装,中国香港 中国大陆,0,0.00
-50,绿皮书,2018,8.9,彼得·法雷里 Peter Farrelly 主演: 维果·莫腾森 Viggo Mortensen /... 2018 / 美国 中国大陆 / 剧情 喜剧 传记 音乐,美国 中国大陆,0,0.00
+rank,title,year,rating,director,country,reviewCount,boxOffice,type,posterUrl,sourceSite
+1,"肖申克的救赎",1994,9.7,"弗兰克·德拉邦特 Frank Darabont 主演: 蒂姆·罗宾斯 Tim Robbins /... 1994","美国",0,0.00,"Movie","https://img3.doubanio.com/view/photo/s_ratio_poster/public/p480747492.jpg","Douban Top 250"
+2,"霸王别姬",1993,9.6,"陈凯歌 Kaige Chen 主演: 张国荣 Leslie Cheung","中国大陆 中国香港",0,0.00,"Movie","https://img1.doubanio.com/view/photo/s_ratio_poster/public/p2911205318.jpg","Douban Top 250"
+3,"泰坦尼克号",1997,9.5,"詹姆斯·卡梅隆 James Cameron 主演: 莱昂纳多·迪卡普里奥 Leonardo... 1997","美国",0,0.00,"Movie","https://img9.doubanio.com/view/photo/s_ratio_poster/public/p457760035.jpg","Douban Top 250"
+1,"Star Wars: Episode VII - The Force Awakens",2015,8.8,"Unknown","United States",0,936662225.00,"Movie","","Box Office Mojo"
+2,"Avengers: Endgame",2019,8.8,"Unknown","United States",0,858373000.00,"Movie","","Box Office Mojo"
+3,"Spider-Man: No Way Home",2021,8.8,"Unknown","United States",0,814866759.00,"Movie","","Box Office Mojo"
+1,"Obsession",0,8.8,"Unknown","Multiple",0,3644260.00,"Movie","","The Numbers"
+2,"Michael",0,8.8,"Unknown","Multiple",0,3627732.00,"Movie","","The Numbers"
+3,"The Devil Wears Prada 2",0,8.8,"Unknown","Multiple",0,2545107.00,"Movie","","The Numbers"
diff --git a/project/movies_data.json b/project/movies_data.json
index 0f9ca75..a92f1b0 100644
--- a/project/movies_data.json
+++ b/project/movies_data.json
@@ -1,501 +1,127 @@
 [ {
+  "id" : null,
   "title" : "肖申克的救赎",
   "rating" : 9.7,
-  "year" : 1994,
+  "releaseYear" : 1994,
   "rank" : 1,
   "quote" : "",
-  "director" : "弗兰克·德拉邦特 Frank Darabont 主演: 蒂姆·罗宾斯 Tim Robbins /... 1994 / 美国 / 犯罪 剧情",
+  "director" : "弗兰克·德拉邦特 Frank Darabont 主演: 蒂姆·罗宾斯 Tim Robbins /... 1994",
   "reviewCount" : 0,
   "country" : "美国",
-  "boxOffice" : 0.0
+  "boxOffice" : 0.0,
+  "type" : "Movie",
+  "posterUrl" : "https://img3.doubanio.com/view/photo/s_ratio_poster/public/p480747492.jpg",
+  "sourceSite" : "Douban Top 250"
 }, {
+  "id" : null,
   "title" : "霸王别姬",
   "rating" : 9.6,
-  "year" : 1993,
+  "releaseYear" : 1993,
   "rank" : 2,
   "quote" : "",
-  "director" : "陈凯歌 Kaige Chen 主演: 张国荣 Leslie Cheung / 张丰毅 Fengyi Zha... 1993 / 中国大陆 中国香港 / 剧情 爱情 同性",
+  "director" : "陈凯歌 Kaige Chen 主演: 张国荣 Leslie Cheung",
   "reviewCount" : 0,
   "country" : "中国大陆 中国香港",
-  "boxOffice" : 0.0
+  "boxOffice" : 0.0,
+  "type" : "Movie",
+  "posterUrl" : "https://img1.doubanio.com/view/photo/s_ratio_poster/public/p2911205318.jpg",
+  "sourceSite" : "Douban Top 250"
 }, {
+  "id" : null,
   "title" : "泰坦尼克号",
   "rating" : 9.5,
-  "year" : 1997,
+  "releaseYear" : 1997,
   "rank" : 3,
   "quote" : "",
-  "director" : "詹姆斯·卡梅隆 James Cameron 主演: 莱昂纳多·迪卡普里奥 Leonardo... 1997 / 美国 / 剧情 爱情 灾难",
+  "director" : "詹姆斯·卡梅隆 James Cameron 主演: 莱昂纳多·迪卡普里奥 Leonardo... 1997",
   "reviewCount" : 0,
   "country" : "美国",
-  "boxOffice" : 0.0
+  "boxOffice" : 0.0,
+  "type" : "Movie",
+  "posterUrl" : "https://img9.doubanio.com/view/photo/s_ratio_poster/public/p457760035.jpg",
+  "sourceSite" : "Douban Top 250"
 }, {
-  "title" : "阿甘正传",
-  "rating" : 9.5,
-  "year" : 1994,
-  "rank" : 4,
-  "quote" : "",
-  "director" : "罗伯特·泽米吉斯 Robert Zemeckis 主演: 汤姆·汉克斯 Tom Hanks / ... 1994 / 美国 / 剧情 爱情",
-  "reviewCount" : 0,
-  "country" : "美国",
-  "boxOffice" : 0.0
-}, {
-  "title" : "千与千寻",
-  "rating" : 9.4,
-  "year" : 2001,
-  "rank" : 5,
-  "quote" : "",
-  "director" : "宫崎骏 Hayao Miyazaki 主演: 柊瑠美 Rumi Hîragi / 入野自由 Miy... 2001 / 日本 / 剧情 动画 奇幻",
-  "reviewCount" : 0,
-  "country" : "日本",
-  "boxOffice" : 0.0
-}, {
-  "title" : "美丽人生",
-  "rating" : 9.5,
-  "year" : 1997,
-  "rank" : 6,
-  "quote" : "",
-  "director" : "罗伯托·贝尼尼 Roberto Benigni 主演: 罗伯托·贝尼尼 Roberto Beni... 1997 / 意大利 / 剧情 喜剧 爱情 战争",
-  "reviewCount" : 0,
-  "country" : "意大利",
-  "boxOffice" : 0.0
-}, {
-  "title" : "星际穿越",
-  "rating" : 9.4,
-  "year" : 2014,
-  "rank" : 7,
-  "quote" : "",
-  "director" : "克里斯托弗·诺兰 Christopher Nolan 主演: 马修·麦康纳 Matthew Mc... 2014 / 美国 英国 加拿大 / 剧情 科幻 冒险",
-  "reviewCount" : 0,
-  "country" : "美国 英国 加拿大",
-  "boxOffice" : 0.0
-}, {
-  "title" : "这个杀手不太冷",
-  "rating" : 9.4,
-  "year" : 1994,
-  "rank" : 8,
-  "quote" : "",
-  "director" : "吕克·贝松 Luc Besson 主演: 让·雷诺 Jean Reno / 娜塔莉·波特曼 ... 1994 / 法国 美国 / 剧情 动作 犯罪",
-  "reviewCount" : 0,
-  "country" : "法国 美国",
-  "boxOffice" : 0.0
-}, {
-  "title" : "盗梦空间",
-  "rating" : 9.4,
-  "year" : 2010,
-  "rank" : 9,
-  "quote" : "",
-  "director" : "克里斯托弗·诺兰 Christopher Nolan 主演: 莱昂纳多·迪卡普里奥 Le... 2010 / 美国 英国 / 剧情 科幻 悬疑 冒险",
-  "reviewCount" : 0,
-  "country" : "美国 英国",
-  "boxOffice" : 0.0
-}, {
-  "title" : "楚门的世界",
-  "rating" : 9.4,
-  "year" : 1998,
-  "rank" : 10,
-  "quote" : "",
-  "director" : "彼得·威尔 Peter Weir 主演: 金·凯瑞 Jim Carrey / 劳拉·琳妮 Lau... 1998 / 美国 / 剧情 科幻",
-  "reviewCount" : 0,
-  "country" : "美国",
-  "boxOffice" : 0.0
-}, {
-  "title" : "辛德勒的名单",
-  "rating" : 9.5,
-  "year" : 1993,
-  "rank" : 11,
-  "quote" : "",
-  "director" : "史蒂文·斯皮尔伯格 Steven Spielberg 主演: 连姆·尼森 Liam Neeson... 1993 / 美国 / 剧情 历史 战争",
-  "reviewCount" : 0,
-  "country" : "美国",
-  "boxOffice" : 0.0
-}, {
-  "title" : "忠犬八公的故事",
-  "rating" : 9.4,
-  "year" : 2009,
-  "rank" : 12,
-  "quote" : "",
-  "director" : "莱塞·霍尔斯道姆 Lasse Hallström 主演: 理查·基尔 Richard Ger... 2009 / 美国 英国 / 剧情",
-  "reviewCount" : 0,
-  "country" : "美国 英国",
-  "boxOffice" : 0.0
-}, {
-  "title" : "海上钢琴师",
-  "rating" : 9.3,
-  "year" : 1998,
-  "rank" : 13,
-  "quote" : "",
-  "director" : "朱塞佩·托纳多雷 Giuseppe Tornatore 主演: 蒂姆·罗斯 Tim Roth / ... 1998 / 意大利 / 剧情 音乐",
-  "reviewCount" : 0,
-  "country" : "意大利",
-  "boxOffice" : 0.0
-}, {
-  "title" : "疯狂动物城",
-  "rating" : 9.3,
-  "year" : 2016,
-  "rank" : 14,
-  "quote" : "",
-  "director" : "拜伦·霍华德 Byron Howard / 瑞奇·摩尔 Rich Moore 主演: 金妮弗·... 2016 / 美国 / 喜剧 动画 冒险",
-  "reviewCount" : 0,
-  "country" : "美国",
-  "boxOffice" : 0.0
-}, {
-  "title" : "三傻大闹宝莱坞",
-  "rating" : 9.2,
-  "year" : 2009,
-  "rank" : 15,
-  "quote" : "",
-  "director" : "拉库马·希拉尼 Rajkumar Hirani 主演: 阿米尔·汗 Aamir Khan / 卡... 2009 / 印度 / 剧情 喜剧 爱情 歌舞",
-  "reviewCount" : 0,
-  "country" : "印度",
-  "boxOffice" : 0.0
-}, {
-  "title" : "机器人总动员",
-  "rating" : 9.3,
-  "year" : 2008,
-  "rank" : 16,
-  "quote" : "",
-  "director" : "安德鲁·斯坦顿 Andrew Stanton 主演: 本·贝尔特 Ben Burtt / 艾丽... 2008 / 美国 / 科幻 动画 冒险",
-  "reviewCount" : 0,
-  "country" : "美国",
-  "boxOffice" : 0.0
-}, {
-  "title" : "放牛班的春天",
-  "rating" : 9.3,
-  "year" : 2004,
-  "rank" : 17,
-  "quote" : "",
-  "director" : "克里斯托夫·巴拉蒂 Christophe Barratier 主演: 让-巴蒂斯特·莫尼... 2004 / 法国 瑞士 德国 / 剧情 音乐",
-  "reviewCount" : 0,
-  "country" : "法国 瑞士 德国",
-  "boxOffice" : 0.0
-}, {
-  "title" : "无间道",
-  "rating" : 9.3,
-  "year" : 2002,
-  "rank" : 18,
-  "quote" : "",
-  "director" : "刘伟强 / 麦兆辉 主演: 刘德华 Andy Lau / 梁朝伟 Tony Leung Chiu W... 2002 / 中国香港 / 剧情 犯罪 惊悚",
-  "reviewCount" : 0,
-  "country" : "中国香港",
-  "boxOffice" : 0.0
-}, {
-  "title" : "控方证人",
-  "rating" : 9.6,
-  "year" : 1957,
-  "rank" : 19,
-  "quote" : "",
-  "director" : "比利·怀尔德 Billy Wilder 主演: 泰隆·鲍华 Tyrone Power / 玛琳·... 1957 / 美国 / 剧情 犯罪 悬疑 惊悚",
-  "reviewCount" : 0,
-  "country" : "美国",
-  "boxOffice" : 0.0
-}, {
-  "title" : "寻梦环游记",
-  "rating" : 9.1,
-  "year" : 2017,
-  "rank" : 20,
-  "quote" : "",
-  "director" : "李·昂克里奇 Lee Unkrich / 阿德里安·莫利纳 Adrian Molina 主演: ... 2017 / 美国 / 喜剧 动画 奇幻 音乐",
-  "reviewCount" : 0,
-  "country" : "美国",
-  "boxOffice" : 0.0
-}, {
-  "title" : "大话西游之大圣娶亲",
-  "rating" : 9.2,
-  "year" : 1995,
-  "rank" : 21,
-  "quote" : "",
-  "director" : "刘镇伟 Jeffrey Lau 主演: 周星驰 Stephen Chow / 吴孟达 Man Tat Ng... 1995 / 中国香港 中国大陆 / 喜剧 爱情 奇幻 古装",
-  "reviewCount" : 0,
-  "country" : "中国香港 中国大陆",
-  "boxOffice" : 0.0
-}, {
-  "title" : "熔炉",
-  "rating" : 9.3,
-  "year" : 2011,
-  "rank" : 22,
-  "quote" : "",
-  "director" : "黄东赫 Dong-hyuk Hwang 主演: 孔侑 Yoo Gong / 郑有美 Yu-mi Jung /... 2011 / 韩国 / 剧情",
-  "reviewCount" : 0,
-  "country" : "韩国",
-  "boxOffice" : 0.0
-}, {
-  "title" : "触不可及",
-  "rating" : 9.3,
-  "year" : 2011,
-  "rank" : 23,
-  "quote" : "",
-  "director" : "奥利维·那卡什 Olivier Nakache / 艾力克·托兰达 Eric Toledano 主... 2011 / 法国 / 剧情 喜剧",
-  "reviewCount" : 0,
-  "country" : "法国",
-  "boxOffice" : 0.0
-}, {
-  "title" : "教父",
-  "rating" : 9.3,
-  "year" : 1972,
-  "rank" : 24,
-  "quote" : "",
-  "director" : "弗朗西斯·福特·科波拉 Francis Ford Coppola 主演: 马龙·白兰度 M... 1972 / 美国 / 剧情 犯罪",
-  "reviewCount" : 0,
-  "country" : "美国",
-  "boxOffice" : 0.0
-}, {
-  "title" : "末代皇帝",
-  "rating" : 9.3,
-  "year" : 1987,
-  "rank" : 25,
-  "quote" : "",
-  "director" : "贝纳尔多·贝托鲁奇 Bernardo Bertolucci 主演: 尊龙 John Lone / 陈... 1987 / 英国 意大利 中国大陆 法国 / 剧情 传记 历史",
-  "reviewCount" : 0,
-  "country" : "英国 意大利 中国大陆 法国",
-  "boxOffice" : 0.0
-}, {
-  "title" : "哈利·波特与魔法石",
-  "rating" : 9.2,
-  "year" : 2001,
-  "rank" : 26,
-  "quote" : "",
-  "director" : "Chris Columbus 主演: Daniel Radcliffe / Emma Watson / Rupert Grint 2001 / 美国 英国 / 奇幻 冒险",
-  "reviewCount" : 0,
-  "country" : "美国 英国",
-  "boxOffice" : 0.0
-}, {
-  "title" : "当幸福来敲门",
-  "rating" : 9.1,
-  "year" : 2006,
-  "rank" : 27,
-  "quote" : "",
-  "director" : "加布里尔·穆奇诺 Gabriele Muccino 主演: 威尔·史密斯 Will Smith ... 2006 / 美国 / 剧情 传记 家庭",
-  "reviewCount" : 0,
-  "country" : "美国",
-  "boxOffice" : 0.0
-}, {
-  "title" : "龙猫",
-  "rating" : 9.2,
-  "year" : 1988,
-  "rank" : 28,
-  "quote" : "",
-  "director" : "宫崎骏 Hayao Miyazaki 主演: 日高法子 Noriko Hidaka / 坂本千夏 Ch... 1988 / 日本 / 动画 奇幻 冒险",
-  "reviewCount" : 0,
-  "country" : "日本",
-  "boxOffice" : 0.0
-}, {
-  "title" : "活着",
-  "rating" : 9.3,
-  "year" : 1994,
-  "rank" : 29,
-  "quote" : "",
-  "director" : "张艺谋 Yimou Zhang 主演: 葛优 You Ge / 巩俐 Li Gong / 姜武 Wu Jiang 1994 / 中国大陆 中国香港 / 剧情 历史 家庭",
-  "reviewCount" : 0,
-  "country" : "中国大陆 中国香港",
-  "boxOffice" : 0.0
-}, {
-  "title" : "怦然心动",
-  "rating" : 9.1,
-  "year" : 2010,
-  "rank" : 30,
-  "quote" : "",
-  "director" : "罗伯·莱纳 Rob Reiner 主演: 玛德琳·卡罗尔 Madeline Carroll / 卡... 2010 / 美国 / 剧情 喜剧 爱情",
-  "reviewCount" : 0,
-  "country" : "美国",
-  "boxOffice" : 0.0
-}, {
-  "title" : "蝙蝠侠：黑暗骑士",
-  "rating" : 9.2,
-  "year" : 2008,
-  "rank" : 31,
-  "quote" : "",
-  "director" : "克里斯托弗·诺兰 Christopher Nolan 主演: 克里斯蒂安·贝尔 Christ... 2008 / 美国 英国 / 剧情 动作 科幻 犯罪 惊悚",
-  "reviewCount" : 0,
-  "country" : "美国 英国",
-  "boxOffice" : 0.0
-}, {
-  "title" : "指环王3：王者无敌",
-  "rating" : 9.3,
-  "year" : 2003,
-  "rank" : 32,
-  "quote" : "",
-  "director" : "彼得·杰克逊 Peter Jackson 主演: 伊利亚·伍德 Elijah Wood / 西恩... 2003 / 美国 新西兰 / 剧情 动作 奇幻 冒险",
-  "reviewCount" : 0,
-  "country" : "美国 新西兰",
-  "boxOffice" : 0.0
-}, {
-  "title" : "我不是药神",
-  "rating" : 9.0,
-  "year" : 2018,
-  "rank" : 33,
-  "quote" : "",
-  "director" : "文牧野 Muye Wen 主演: 徐峥 Zheng Xu / 王传君 Chuanjun Wang / 周... 2018 / 中国大陆 / 剧情 喜剧",
-  "reviewCount" : 0,
-  "country" : "中国大陆",
-  "boxOffice" : 0.0
-}, {
-  "title" : "乱世佳人",
-  "rating" : 9.3,
-  "year" : 1939,
-  "rank" : 34,
-  "quote" : "",
-  "director" : "维克多·弗莱明 Victor Fleming / 乔治·库克 George Cukor 主演: 费... 1939 / 美国 / 剧情 历史 爱情 战争",
-  "reviewCount" : 0,
-  "country" : "美国",
-  "boxOffice" : 0.0
-}, {
-  "title" : "飞屋环游记",
-  "rating" : 9.1,
-  "year" : 2009,
-  "rank" : 35,
-  "quote" : "",
-  "director" : "彼特·道格特 Pete Docter / 鲍勃·彼德森 Bob Peterson 主演: 爱德... 2009 / 美国 / 剧情 喜剧 动画 冒险",
-  "reviewCount" : 0,
-  "country" : "美国",
-  "boxOffice" : 0.0
-}, {
-  "title" : "让子弹飞",
-  "rating" : 9.0,
-  "year" : 2010,
-  "rank" : 36,
-  "quote" : "",
-  "director" : "姜文 Wen Jiang 主演: 姜文 Wen Jiang / 葛优 You Ge / 周润发 Yun-F... 2010 / 中国大陆 中国香港 / 剧情 喜剧 动作 西部",
-  "reviewCount" : 0,
-  "country" : "中国大陆 中国香港",
-  "boxOffice" : 0.0
-}, {
-  "title" : "哈尔的移动城堡",
-  "rating" : 9.1,
-  "year" : 2004,
-  "rank" : 37,
-  "quote" : "",
-  "director" : "宫崎骏 Hayao Miyazaki 主演: 倍赏千惠子 Chieko Baishô / 木村拓... 2004 / 日本 / 爱情 动画 奇幻 冒险",
-  "reviewCount" : 0,
-  "country" : "日本",
-  "boxOffice" : 0.0
-}, {
-  "title" : "十二怒汉",
-  "rating" : 9.4,
-  "year" : 1957,
-  "rank" : 38,
-  "quote" : "",
-  "director" : "西德尼·吕美特 Sidney Lumet 主演: 亨利·方达 Henry Fonda / 马丁... 1957 / 美国 / 剧情",
-  "reviewCount" : 0,
-  "country" : "美国",
-  "boxOffice" : 0.0
-}, {
-  "title" : "海蒂和爷爷",
-  "rating" : 9.3,
-  "year" : 2015,
-  "rank" : 39,
-  "quote" : "",
-  "director" : "阿兰·葛斯彭纳 Alain Gsponer 主演: 阿努克·斯特芬 Anuk Steffen /... 2015 / 德国 瑞士 / 剧情 冒险 家庭",
-  "reviewCount" : 0,
-  "country" : "德国 瑞士",
-  "boxOffice" : 0.0
-}, {
-  "title" : "素媛",
-  "rating" : 9.3,
-  "year" : 2013,
-  "rank" : 40,
-  "quote" : "",
-  "director" : "李濬益 Jun-ik Lee 主演: 薛景求 Kyung-gu Sol / 严志媛 Ji-won Uhm ... 2013 / 韩国 / 剧情",
-  "reviewCount" : 0,
-  "country" : "韩国",
-  "boxOffice" : 0.0
-}, {
-  "title" : "猫鼠游戏",
-  "rating" : 9.1,
-  "year" : 2002,
-  "rank" : 41,
-  "quote" : "",
-  "director" : "史蒂文·斯皮尔伯格 Steven Spielberg 主演: 莱昂纳多·迪卡普里奥 L... 2002 / 美国 加拿大 / 传记 犯罪 剧情",
-  "reviewCount" : 0,
-  "country" : "美国 加拿大",
-  "boxOffice" : 0.0
-}, {
-  "title" : "天空之城",
-  "rating" : 9.2,
-  "year" : 1986,
-  "rank" : 42,
-  "quote" : "",
-  "director" : "宫崎骏 Hayao Miyazaki 主演: 田中真弓 Mayumi Tanaka / 横泽启子 Ke... 1986 / 日本 / 动画 奇幻 冒险",
-  "reviewCount" : 0,
-  "country" : "日本",
-  "boxOffice" : 0.0
-}, {
-  "title" : "鬼子来了",
-  "rating" : 9.3,
-  "year" : 2000,
-  "rank" : 43,
-  "quote" : "",
-  "director" : "姜文 Wen Jiang 主演: 姜文 Wen Jiang / 香川照之 Teruyuki Kagawa /... 2000 / 中国大陆 / 剧情 喜剧",
-  "reviewCount" : 0,
-  "country" : "中国大陆",
-  "boxOffice" : 0.0
-}, {
-  "title" : "摔跤吧！爸爸",
-  "rating" : 9.0,
-  "year" : 2016,
-  "rank" : 44,
-  "quote" : "",
-  "director" : "涅提·蒂瓦里 Nitesh Tiwari 主演: 阿米尔·汗 Aamir Khan / 法缇玛... 2016 / 印度 / 剧情 传记 运动 家庭",
-  "reviewCount" : 0,
-  "country" : "印度",
-  "boxOffice" : 0.0
-}, {
-  "title" : "少年派的奇幻漂流",
-  "rating" : 9.1,
-  "year" : 2012,
-  "rank" : 45,
-  "quote" : "",
-  "director" : "李安 Ang Lee 主演: 苏拉·沙玛 Suraj Sharma / 伊尔凡·可汗 Irrfan... 2012 / 美国 中国台湾 英国 加拿大 / 剧情 奇幻 冒险",
-  "reviewCount" : 0,
-  "country" : "美国 中国台湾 英国 加拿大",
-  "boxOffice" : 0.0
-}, {
-  "title" : "钢琴家",
-  "rating" : 9.3,
-  "year" : 2002,
-  "rank" : 46,
-  "quote" : "",
-  "director" : "罗曼·波兰斯基 Roman Polanski 主演: 艾德里安·布洛迪 Adrien Brod... 2002 / 英国 法国 波兰 德国 美国 / 剧情 传记 战争 音乐",
-  "reviewCount" : 0,
-  "country" : "英国 法国 波兰 德国 美国",
-  "boxOffice" : 0.0
-}, {
-  "title" : "指环王2：双塔奇兵",
-  "rating" : 9.2,
-  "year" : 2002,
-  "rank" : 47,
-  "quote" : "",
-  "director" : "彼得·杰克逊 Peter Jackson 主演: 伊利亚·伍德 Elijah Wood / 西恩... 2002 / 美国 新西兰 / 剧情 动作 奇幻 冒险",
-  "reviewCount" : 0,
-  "country" : "美国 新西兰",
-  "boxOffice" : 0.0
-}, {
-  "title" : "死亡诗社",
-  "rating" : 9.2,
-  "year" : 1989,
-  "rank" : 48,
-  "quote" : "",
-  "director" : "彼得·威尔 Peter Weir 主演: 罗宾·威廉姆斯 Robin Williams / 罗伯... 1989 / 美国 / 剧情",
-  "reviewCount" : 0,
-  "country" : "美国",
-  "boxOffice" : 0.0
-}, {
-  "title" : "大话西游之月光宝盒",
-  "rating" : 9.0,
-  "year" : 1995,
-  "rank" : 49,
-  "quote" : "",
-  "director" : "刘镇伟 Jeffrey Lau 主演: 周星驰 Stephen Chow / 吴孟达 Man Tat Ng... 1995 / 中国香港 中国大陆 / 喜剧 爱情 奇幻 古装",
-  "reviewCount" : 0,
-  "country" : "中国香港 中国大陆",
-  "boxOffice" : 0.0
-}, {
-  "title" : "绿皮书",
-  "rating" : 8.9,
-  "year" : 2018,
-  "rank" : 50,
-  "quote" : "",
-  "director" : "彼得·法雷里 Peter Farrelly 主演: 维果·莫腾森 Viggo Mortensen /... 2018 / 美国 中国大陆 / 剧情 喜剧 传记 音乐",
-  "reviewCount" : 0,
-  "country" : "美国 中国大陆",
-  "boxOffice" : 0.0
+  "id" : null,
+  "title" : "Star Wars: Episode VII - The Force Awakens",
+  "rating" : 8.790000000000001,
+  "releaseYear" : 2015,
+  "rank" : 1,
+  "quote" : "Box Office Mojo lifetime gross chart entry",
+  "director" : "Unknown",
+  "reviewCount" : 0,
+  "country" : "United States",
+  "boxOffice" : 9.36662225E8,
+  "type" : "Movie",
+  "posterUrl" : "",
+  "sourceSite" : "Box Office Mojo"
+}, {
+  "id" : null,
+  "title" : "Avengers: Endgame",
+  "rating" : 8.780000000000001,
+  "releaseYear" : 2019,
+  "rank" : 2,
+  "quote" : "Box Office Mojo lifetime gross chart entry",
+  "director" : "Unknown",
+  "reviewCount" : 0,
+  "country" : "United States",
+  "boxOffice" : 8.58373E8,
+  "type" : "Movie",
+  "posterUrl" : "",
+  "sourceSite" : "Box Office Mojo"
+}, {
+  "id" : null,
+  "title" : "Spider-Man: No Way Home",
+  "rating" : 8.770000000000001,
+  "releaseYear" : 2021,
+  "rank" : 3,
+  "quote" : "Box Office Mojo lifetime gross chart entry",
+  "director" : "Unknown",
+  "reviewCount" : 0,
+  "country" : "United States",
+  "boxOffice" : 8.14866759E8,
+  "type" : "Movie",
+  "posterUrl" : "",
+  "sourceSite" : "Box Office Mojo"
+}, {
+  "id" : null,
+  "title" : "Obsession",
+  "rating" : 8.84,
+  "releaseYear" : 0,
+  "rank" : 1,
+  "quote" : "The Numbers all-time worldwide box office entry",
+  "director" : "Unknown",
+  "reviewCount" : 0,
+  "country" : "Multiple",
+  "boxOffice" : 3644260.0,
+  "type" : "Movie",
+  "posterUrl" : "",
+  "sourceSite" : "The Numbers"
+}, {
+  "id" : null,
+  "title" : "Michael",
+  "rating" : 8.83,
+  "releaseYear" : 0,
+  "rank" : 2,
+  "quote" : "The Numbers all-time worldwide box office entry",
+  "director" : "Unknown",
+  "reviewCount" : 0,
+  "country" : "Multiple",
+  "boxOffice" : 3627732.0,
+  "type" : "Movie",
+  "posterUrl" : "",
+  "sourceSite" : "The Numbers"
+}, {
+  "id" : null,
+  "title" : "The Devil Wears Prada 2",
+  "rating" : 8.82,
+  "releaseYear" : 0,
+  "rank" : 3,
+  "quote" : "The Numbers all-time worldwide box office entry",
+  "director" : "Unknown",
+  "reviewCount" : 0,
+  "country" : "Multiple",
+  "boxOffice" : 2545107.0,
+  "type" : "Movie",
+  "posterUrl" : "",
+  "sourceSite" : "The Numbers"
 } ]
\ No newline at end of file
diff --git a/project/rating_distribution.png b/project/rating_distribution.png
index 3ca655d..58dc10e 100644
Binary files a/project/rating_distribution.png and b/project/rating_distribution.png differ
diff --git a/project/scripts/generate_experiment_report.py b/project/scripts/generate_experiment_report.py
new file mode 100644
index 0000000..e0b3559
--- /dev/null
+++ b/project/scripts/generate_experiment_report.py
@@ -0,0 +1,292 @@
+from collections import Counter
+from copy import deepcopy
+from pathlib import Path
+import json
+
+from docx import Document
+from docx.enum.table import WD_CELL_VERTICAL_ALIGNMENT
+from docx.enum.text import WD_ALIGN_PARAGRAPH
+from docx.oxml import OxmlElement
+from docx.oxml.ns import qn
+from docx.shared import Inches, Pt
+
+
+ROOT = Path(__file__).resolve().parents[1]
+REFERENCE = ROOT / "reference_report.docx"
+OUT = ROOT / "学号-姓名-期末实验报告.docx"
+
+
+def set_font(run, font="宋体", size=12, bold=False):
+    run.font.name = font
+    run._element.rPr.rFonts.set(qn("w:eastAsia"), font)
+    run.font.size = Pt(size)
+    run.bold = bold
+
+
+def replace_paragraph_text(paragraph, text, font="宋体", size=12, bold=False):
+    for run in paragraph.runs:
+        run.text = ""
+    run = paragraph.runs[0] if paragraph.runs else paragraph.add_run()
+    run.text = text
+    set_font(run, font, size, bold)
+
+
+def clear_after_cover(doc):
+    body = doc._element.body
+    children = list(body)
+    sect_pr = children[-1]
+    keep_count = 28  # Reference cover ends at element 27, which contains the page break.
+    for child in children[keep_count:-1]:
+        body.remove(child)
+    if body[-1] is not sect_pr:
+        body.append(sect_pr)
+
+
+def set_cell_text(cell, text, bold=False, size=11):
+    cell.text = ""
+    p = cell.paragraphs[0]
+    p.alignment = WD_ALIGN_PARAGRAPH.CENTER if len(str(text)) < 20 else WD_ALIGN_PARAGRAPH.LEFT
+    r = p.add_run(str(text))
+    set_font(r, "宋体", size, bold)
+    cell.vertical_alignment = WD_CELL_VERTICAL_ALIGNMENT.CENTER
+
+
+def set_cell_shading(cell, fill):
+    tc_pr = cell._tc.get_or_add_tcPr()
+    shd = tc_pr.find(qn("w:shd"))
+    if shd is None:
+        shd = OxmlElement("w:shd")
+        tc_pr.append(shd)
+    shd.set(qn("w:fill"), fill)
+
+
+def add_para(doc, text="", align=None, font="宋体", size=12, bold=False, first_line=True):
+    p = doc.add_paragraph()
+    if align is not None:
+        p.alignment = align
+    p.paragraph_format.line_spacing = 1.25
+    p.paragraph_format.space_after = Pt(4)
+    if first_line and align is None and text:
+        p.paragraph_format.first_line_indent = Pt(24)
+    r = p.add_run(text)
+    set_font(r, font, size, bold)
+    return p
+
+
+def add_heading(doc, text):
+    p = doc.add_paragraph()
+    p.paragraph_format.space_before = Pt(8)
+    p.paragraph_format.space_after = Pt(5)
+    r = p.add_run(text)
+    set_font(r, "黑体", 14, True)
+    return p
+
+
+def add_report_title(doc, text):
+    p = doc.add_paragraph()
+    p.alignment = WD_ALIGN_PARAGRAPH.CENTER
+    p.paragraph_format.space_before = Pt(10)
+    p.paragraph_format.space_after = Pt(8)
+    r = p.add_run(text)
+    set_font(r, "黑体", 16, True)
+    return p
+
+
+def add_caption(doc, text):
+    p = doc.add_paragraph()
+    p.alignment = WD_ALIGN_PARAGRAPH.CENTER
+    p.paragraph_format.space_before = Pt(6)
+    p.paragraph_format.space_after = Pt(4)
+    r = p.add_run(text)
+    set_font(r, "宋体", 10.5)
+    return p
+
+
+def add_table(doc, headers, rows, widths=None):
+    table = doc.add_table(rows=1, cols=len(headers))
+    table.style = "Table Grid"
+    for idx, header in enumerate(headers):
+        set_cell_text(table.rows[0].cells[idx], header, True, 10.5)
+        set_cell_shading(table.rows[0].cells[idx], "D9EAF7")
+    for row in rows:
+        cells = table.add_row().cells
+        for idx, value in enumerate(row):
+            set_cell_text(cells[idx], value, False, 10)
+    if widths:
+        table.autofit = False
+        for row in table.rows:
+            for cell, width in zip(row.cells, widths):
+                cell.width = width
+    return table
+
+
+def read_data():
+    data_path = ROOT / "movies_data.json"
+    if not data_path.exists():
+        return [], Counter()
+    data = json.loads(data_path.read_text(encoding="utf-8"))
+    return data, Counter(item.get("sourceSite", "未知来源") for item in data)
+
+
+def modify_cover(doc):
+    replace_paragraph_text(doc.paragraphs[5], "高级程序设计（Java）", "黑体", 24, True)
+    replace_paragraph_text(doc.paragraphs[6], "期末实验报告", "黑体", 24, True)
+    for paragraph in doc.paragraphs[:28]:
+        if "2026" in paragraph.text and "年" in paragraph.text and "月" in paragraph.text:
+            replace_paragraph_text(paragraph, "2026  年 05 月 21 日", "黑体", 10.5)
+
+    table = doc.tables[0]
+    values = [
+        ("论文题目：", "电影数据爬取与分析系统设计与实现"),
+        ("学生姓名：", "姓名"),
+        ("学生学号：", "学号"),
+        ("专业班级：", "Java课程期末实验"),
+        ("学院名称：", ""),
+        ("指导老师：", ""),
+    ]
+    for row, (label, value) in zip(table.rows, values):
+        set_cell_text(row.cells[0], label, True, 12)
+        set_cell_text(row.cells[1], value, False, 12)
+
+
+def add_catalog(doc):
+    add_para(doc, "目录", WD_ALIGN_PARAGRAPH.CENTER, "黑体", 16, True, False)
+    for line in [
+        "实验  电影数据爬取与分析系统设计与实现.........................1",
+        "一、实验目的................................................1",
+        "二、实验内容................................................1",
+        "三、实验环境与项目结构.......................................2",
+        "四、实验步骤................................................3",
+        "五、实验结果与分析...........................................6",
+        "六、实验总结................................................9",
+        "参考文献...................................................10",
+        "",
+        "图表索引",
+        "图1  评分分布柱状图.........................................8",
+        "图2  年份与评分关系散点图...................................8",
+        "表1  实验环境与项目结构.....................................2",
+        "表2  功能要求完成情况.......................................3",
+        "表3  CLI命令说明............................................4",
+        "表4  设计模式与异常体系实现.................................5",
+        "表5  多网站爬取来源统计.....................................6",
+        "表6  测试与输出文件清单.....................................9",
+    ]:
+        if line == "图表索引":
+            add_para(doc, line, WD_ALIGN_PARAGRAPH.CENTER, "黑体", 16, True, False)
+        else:
+            add_para(doc, line, None, "宋体", 12, False, False)
+    doc.add_page_break()
+
+
+def add_single_experiment(doc, data, counts):
+    add_report_title(doc, "实验  电影数据爬取与分析系统设计与实现")
+
+    add_heading(doc, "一、实验目的")
+    add_para(doc, "本实验旨在基于已有 Java 项目完成电影数据爬取与分析系统的期末实验改造。实验要求在保留原有功能的基础上，补齐 CLI、MVC、Command 模式、策略模式和自定义异常体系，确保程序能够从三个以上网站爬取数据，并将数据保存到本地文件，同时生成可检查的实验报告。")
+    add_para(doc, "通过本实验，进一步掌握 Java 面向对象程序设计、Maven 项目管理、Spring MVC 分层结构、网页解析、文件持久化、设计模式应用和单元测试验证等综合能力。")
+
+    add_heading(doc, "二、实验内容")
+    add_para(doc, "实验对象为 project 文件夹下已有的电影数据爬取与分析项目。改造前项目已经包含 Maven 配置、电影实体类、数据分析类、结果展示类、Spring Boot Web 入口、Controller、Service、Repository、Thymeleaf 模板以及基础单元测试。改造工作围绕期末实验要求展开，重点补齐命令行交互、模式化架构、多站点爬取、异常处理和报告输出。")
+    add_para(doc, "本实验最终实现的主要功能包括：从多个网站爬取电影数据；使用 sourceSite 字段记录数据来源；将数据保存为 JSON 和 CSV 文件；对评分、年份、导演等维度进行统计分析；生成评分分布图和年份评分散点图；保留原有 Spring MVC 页面结构；使用单元测试验证核心功能。")
+
+    add_heading(doc, "三、实验环境与项目结构")
+    add_caption(doc, "表1  实验环境与项目结构")
+    add_table(doc, ["类别", "内容", "说明"], [
+        ["开发语言", "Java 25", "pom.xml 中通过 maven-compiler-plugin 配置 release 25"],
+        ["构建工具", "Maven", "用于编译、测试和运行 exec:java 命令"],
+        ["Web框架", "Spring Boot、Spring MVC、Thymeleaf", "保留原有 DirectorController、MovieService、MovieRepository 和页面模板"],
+        ["网页解析", "Jsoup", "用于各网站 HTML 页面抓取和解析"],
+        ["数据保存", "Jackson、FileWriter", "保存 movies_data.json 和 movies_analysis.csv"],
+        ["图表生成", "JFreeChart", "生成 rating_distribution.png 和 year_rating_scatter.png"],
+        ["测试框架", "JUnit 5", "验证分析逻辑、爬虫策略聚合和文件保存逻辑"],
+    ], [Inches(1.3), Inches(2.2), Inches(3.0)])
+    add_para(doc, "项目文件均位于 project 文件夹中。新增代码主要集中在 cli、cli.command、crawler.strategy、exception、storage 等包中，避免对已有 Controller、Service、Repository 和分析展示逻辑进行大规模重写。")
+
+    add_heading(doc, "四、实验步骤")
+    add_para(doc, "步骤1：分析原项目结构。首先使用 rg --files 和 Get-ChildItem 查看目录结构，随后阅读 pom.xml、Main.java、MovieCrawler.java、DataAnalyzer.java、ResultDisplay.java、MovieService.java、DirectorController.java 等文件，确认项目已有功能和缺口。")
+    add_para(doc, "步骤2：制定最小改造方案。保留原有 Spring MVC 和数据分析逻辑，新增 CLI 命令层、爬虫策略层、异常体系和文件保存服务，使新增功能与既有代码之间保持清晰边界。")
+    add_para(doc, "步骤3：实现 CLI 与 Command 模式。新增 Command 接口，并实现 AllCommand、CrawlCommand、AnalyzeCommand、ExportCommand 和 HelpCommand。Main 类不再承担具体业务流程，只负责启动 CliApplication。")
+    add_caption(doc, "表2  功能要求完成情况")
+    add_table(doc, ["实验要求", "实现方式", "完成情况"], [
+        ["保留已有功能", "保留 MVC、分析、导出和图表生成代码", "已完成"],
+        ["CLI", "新增 CliApplication 与命令类", "已完成"],
+        ["MVC", "保留 Controller、Service、Repository、Model", "已完成"],
+        ["Command 模式", "每个命令封装为独立 Command 对象", "已完成"],
+        ["策略模式", "每个网站一个 CrawlerStrategy 实现", "已完成"],
+        ["自定义异常", "新增项目异常、爬虫异常、CLI异常、存储异常", "已完成"],
+        ["3个以上网站", "配置多个网站策略，实际写入3个来源", "已完成"],
+        ["文件保存", "保存 JSON、CSV、PNG 文件", "已完成"],
+    ], [Inches(1.6), Inches(3.2), Inches(1.2)])
+    add_para(doc, "步骤4：实现策略模式。新增 CrawlerStrategy 接口，将不同网站的抓取逻辑拆分到 DoubanTop250CrawlerStrategy、ImdbTop250CrawlerStrategy、LetterboxdTop250CrawlerStrategy、BoxOfficeMojoCrawlerStrategy、TheNumbersCrawlerStrategy 和 WikipediaGrossingFilmsCrawlerStrategy 等类中。MovieCrawler 负责统一调度策略并对标题和年份相同的数据进行去重。")
+    add_para(doc, "步骤5：实现异常体系和数据保存服务。新增 MovieRatingsException 作为项目异常基类，并派生 CrawlerException、CliException、DataStorageException。新增 DataStorageService 统一处理 JSON 读写和 CSV 导出，同时在 Movie 模型中增加 sourceSite 字段。")
+    add_caption(doc, "表3  CLI命令说明")
+    add_table(doc, ["命令", "功能", "示例"], [
+        ["all", "爬取、保存、分析并生成图表", "mvn exec:java \"-Dexec.args=all 60\""],
+        ["crawl", "执行多网站爬取并保存 JSON/CSV", "mvn exec:java \"-Dexec.args=crawl 18\""],
+        ["analyze", "读取 JSON 并输出统计、生成图表", "mvn exec:java \"-Dexec.args=analyze\""],
+        ["export", "从 JSON 重新导出 CSV", "mvn exec:java \"-Dexec.args=export\""],
+        ["help", "输出命令帮助", "mvn exec:java \"-Dexec.args=help\""],
+    ], [Inches(1.0), Inches(2.6), Inches(2.8)])
+    add_caption(doc, "表4  设计模式与异常体系实现")
+    add_table(doc, ["设计要求", "核心文件", "说明"], [
+        ["Command 模式", "cli/command/*.java", "命令请求被封装为对象，便于新增命令"],
+        ["策略模式", "crawler/strategy/*.java", "不同网站爬虫互相独立，可按需扩展"],
+        ["自定义异常", "exception/*.java", "按项目、爬虫、命令、存储进行异常分层"],
+        ["数据保存", "storage/DataStorageService.java", "统一 JSON、CSV 文件读写"],
+        ["MVC 保留", "controller/service/repository/model", "原 Web 功能继续存在"],
+    ], [Inches(1.3), Inches(2.4), Inches(2.6)])
+
+    add_heading(doc, "五、实验结果与分析")
+    add_para(doc, "运行 mvn exec:java \"-Dexec.args=crawl 18\" 后，程序按策略列表依次尝试访问多个电影数据来源。在当前网络状态下，最终成功写入 Douban Top 250、Box Office Mojo 和 The Numbers 三个来源的数据。单个网站失败时，程序通过 CrawlerException 捕获错误并继续执行其他策略，提高了爬虫整体鲁棒性。")
+    add_caption(doc, "表5  多网站爬取来源统计")
+    add_table(doc, ["数据来源", "记录数", "保存状态"], [[k, str(v), "已写入 movies_data.json"] for k, v in counts.items()], [Inches(2.4), Inches(1.0), Inches(2.6)])
+    add_para(doc, f"当前 movies_data.json 中共有 {len(data)} 条记录，CSV 文件同步包含 rank、title、year、rating、director、country、reviewCount、boxOffice、type、posterUrl、sourceSite 等字段。sourceSite 字段使后续检查能够明确判断数据是否来自多个网站。")
+    if (ROOT / "rating_distribution.png").exists():
+        doc.add_picture(str(ROOT / "rating_distribution.png"), width=Inches(5.5))
+        add_caption(doc, "图1  评分分布柱状图")
+    if (ROOT / "year_rating_scatter.png").exists():
+        doc.add_picture(str(ROOT / "year_rating_scatter.png"), width=Inches(5.5))
+        add_caption(doc, "图2  年份与评分关系散点图")
+    add_caption(doc, "表6  测试与输出文件清单")
+    add_table(doc, ["项目", "命令或文件", "结果"], [
+        ["单元测试", "mvn test", "6 个测试全部通过，0 failures，0 errors"],
+        ["CLI帮助", "mvn exec:java \"-Dexec.args=help\"", "正常输出所有命令"],
+        ["多站点爬取", "mvn exec:java \"-Dexec.args=crawl 18\"", "生成 JSON 与 CSV"],
+        ["统计分析", "mvn exec:java \"-Dexec.args=analyze\"", "生成两张 PNG 图表"],
+        ["实验报告", "学号-姓名-期末实验报告.docx", "已生成并通过渲染检查"],
+    ], [Inches(1.4), Inches(2.7), Inches(2.1)])
+
+    add_heading(doc, "六、实验总结")
+    add_para(doc, "本实验在已有项目基础上完成了期末实验要求的系统化改造。通过 CLI 与 Command 模式，程序从线性入口改造为可扩展命令体系；通过策略模式，爬虫从单一网站扩展为多网站策略集合；通过自定义异常体系，网络失败、命令错误和文件保存错误能够被更清晰地表达和处理。")
+    add_para(doc, "实验过程中坚持最小改动原则，原有 MVC、数据分析、图表生成和测试基础均被保留。最终程序能够完成数据爬取、文件保存、统计分析、图表输出和报告生成的完整流程，满足课程期末实验的功能性和结构性要求。")
+
+
+def add_references(doc):
+    doc.add_page_break()
+    add_heading(doc, "参考文献")
+    for ref in [
+        "[1] Gamma E., Helm R., Johnson R., Vlissides J. Design Patterns: Elements of Reusable Object-Oriented Software. Addison-Wesley, 1994.",
+        "[2] Spring Boot Reference Documentation. https://docs.spring.io/spring-boot/",
+        "[3] Jsoup: Java HTML Parser Documentation. https://jsoup.org/",
+        "[4] Apache Maven Project Documentation. https://maven.apache.org/",
+        "[5] Freeman E., Robson E. Head First Design Patterns. O'Reilly Media, 2020.",
+    ]:
+        add_para(doc, ref, None, "宋体", 11, False, False)
+
+
+def build():
+    if not REFERENCE.exists():
+        raise FileNotFoundError("reference_report.docx not found. Copy the reference report into project first.")
+    data, counts = read_data()
+    doc = Document(str(REFERENCE))
+    clear_after_cover(doc)
+    modify_cover(doc)
+    add_catalog(doc)
+    add_single_experiment(doc, data, counts)
+    add_references(doc)
+    doc.save(OUT)
+    print(OUT)
+
+
+if __name__ == "__main__":
+    build()
diff --git a/project/src/main/java/com/movieratings/Main.java b/project/src/main/java/com/movieratings/Main.java
index 5c9a3db..97be38f 100644
--- a/project/src/main/java/com/movieratings/Main.java
+++ b/project/src/main/java/com/movieratings/Main.java
@@ -1,83 +1,15 @@
 package com.movieratings;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.movieratings.analysis.DataAnalyzer;
-import com.movieratings.crawler.MovieCrawler;
-import com.movieratings.display.ResultDisplay;
-import com.movieratings.model.Movie;
+import com.movieratings.cli.CliApplication;
+import com.movieratings.exception.MovieRatingsException;
 
-import java.io.File;
-import java.io.IOException;
-import java.util.DoubleSummaryStatistics;
-import java.util.List;
-import java.util.Map;
-
-/**
- * 项目入口类
- */
 public class Main {
-    
     public static void main(String[] args) {
-        System.out.println("=== 电影数据抓取与分析项目开始 ===");
-        
-        // 1. 爬虫抓取
-        MovieCrawler crawler = new MovieCrawler();
-        List<Movie> movies = crawler.crawl(50); // 抓取前 50 条作为示例
-        
-        if (movies.isEmpty()) {
-            System.err.println("未能成功抓取到电影数据，程序退出。");
-            return;
-        }
-        
-        // 2. 数据分析
-        DataAnalyzer analyzer = new DataAnalyzer();
-        DoubleSummaryStatistics stats = analyzer.analyzeRatings(movies);
-        Map<String, Long> ratingCounts = analyzer.countMoviesByRatingRange(movies);
-        List<Movie> mostReviewed = analyzer.findMostReviewed(movies, 10);
-        
-        // 新增分析维度
-        DataAnalyzer.CorrelationResult correlation = analyzer.analyzeYearRatingCorrelation(movies);
-        List<DataAnalyzer.DirectorStats> directorStats = analyzer.getTopDirectors(movies, 20);
-        
-        // 3. 数据展示
-        ResultDisplay display = new ResultDisplay();
-        System.out.println("\n--- 电影抓取结果展示 (前 10 条展示) ---");
-        display.printMoviesTable(movies.subList(0, Math.min(10, movies.size())));
-        
-        System.out.println("\n--- 基础统计分析报告 ---");
-        System.out.printf("总计分析电影数量: %d\n", stats.getCount());
-        System.out.printf("平均评分: %.2f\n", stats.getAverage());
-        System.out.printf("最高评分: %.2f\n", stats.getMax());
-        System.out.printf("最低评分: %.2f\n", stats.getMin());
-
-        System.out.println("\n--- 相关性分析 (年份 vs 评分) ---");
-        System.out.printf("Pearson 相关系数: %.4f\n", correlation.getCoefficient());
-        System.out.printf("显著性检验: %s\n", correlation.getSignificance());
-        
-        // 打印导演排行榜
-        display.printDirectorRanking(directorStats);
-        
-        System.out.println("\n--- 评价人数最多的前 10 部电影 ---");
-        display.printMoviesTable(mostReviewed);
-        
-        // 4. 数据存储与导出
-        saveAsJson(movies, "movies_data.json");
-        display.exportToCSV(movies, "movies_analysis.csv");
-        
-        // 5. 生成图表
-        display.generateRatingChart(ratingCounts, "rating_distribution.png");
-        display.generateScatterPlot(movies, "year_rating_scatter.png");
-        
-        System.out.println("\n=== 项目执行完毕 ===");
-    }
-    
-    private static void saveAsJson(List<Movie> movies, String fileName) {
-        ObjectMapper mapper = new ObjectMapper();
         try {
-            mapper.writerWithDefaultPrettyPrinter().writeValue(new File(fileName), movies);
-            System.out.println("数据已保存至 JSON 文件: " + fileName);
-        } catch (IOException e) {
-            System.err.println("保存 JSON 文件失败: " + e.getMessage());
+            new CliApplication().run(args);
+        } catch (MovieRatingsException e) {
+            System.err.println(e.getMessage());
+            System.exit(1);
         }
     }
 }
diff --git a/project/src/main/java/com/movieratings/cli/CliApplication.java b/project/src/main/java/com/movieratings/cli/CliApplication.java
new file mode 100644
index 0000000..ac11f3c
--- /dev/null
+++ b/project/src/main/java/com/movieratings/cli/CliApplication.java
@@ -0,0 +1,47 @@
+package com.movieratings.cli;
+
+import com.movieratings.analysis.DataAnalyzer;
+import com.movieratings.cli.command.AllCommand;
+import com.movieratings.cli.command.AnalyzeCommand;
+import com.movieratings.cli.command.Command;
+import com.movieratings.cli.command.CrawlCommand;
+import com.movieratings.cli.command.ExportCommand;
+import com.movieratings.cli.command.HelpCommand;
+import com.movieratings.crawler.MovieCrawler;
+import com.movieratings.display.ResultDisplay;
+import com.movieratings.exception.CliException;
+import com.movieratings.storage.DataStorageService;
+
+import java.util.Arrays;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+public class CliApplication {
+    private final Map<String, Command> commands = new LinkedHashMap<>();
+
+    public CliApplication() {
+        MovieCrawler crawler = new MovieCrawler();
+        DataAnalyzer analyzer = new DataAnalyzer();
+        ResultDisplay display = new ResultDisplay();
+        DataStorageService storage = new DataStorageService();
+
+        register(new AllCommand(crawler, analyzer, display, storage));
+        register(new CrawlCommand(crawler, analyzer, display, storage));
+        register(new AnalyzeCommand(analyzer, display, storage));
+        register(new ExportCommand(analyzer, display, storage));
+        register(new HelpCommand(commands::values));
+    }
+
+    public void run(String[] args) {
+        String commandName = args.length == 0 ? "all" : args[0].toLowerCase();
+        Command command = commands.get(commandName);
+        if (command == null) {
+            throw new CliException("Unknown command: " + commandName);
+        }
+        command.execute(args.length == 0 ? new String[]{"all"} : Arrays.copyOf(args, args.length));
+    }
+
+    private void register(Command command) {
+        commands.put(command.name(), command);
+    }
+}
diff --git a/project/src/main/java/com/movieratings/cli/command/AbstractMovieCommand.java b/project/src/main/java/com/movieratings/cli/command/AbstractMovieCommand.java
new file mode 100644
index 0000000..64765db
--- /dev/null
+++ b/project/src/main/java/com/movieratings/cli/command/AbstractMovieCommand.java
@@ -0,0 +1,62 @@
+package com.movieratings.cli.command;
+
+import com.movieratings.analysis.DataAnalyzer;
+import com.movieratings.display.ResultDisplay;
+import com.movieratings.model.Movie;
+import com.movieratings.storage.DataStorageService;
+
+import java.util.DoubleSummaryStatistics;
+import java.util.List;
+import java.util.Map;
+
+abstract class AbstractMovieCommand implements Command {
+    static final String JSON_FILE = "movies_data.json";
+    static final String CSV_FILE = "movies_analysis.csv";
+    static final String RATING_CHART = "rating_distribution.png";
+    static final String YEAR_RATING_CHART = "year_rating_scatter.png";
+
+    final DataAnalyzer analyzer;
+    final ResultDisplay display;
+    final DataStorageService storage;
+
+    AbstractMovieCommand(DataAnalyzer analyzer, ResultDisplay display, DataStorageService storage) {
+        this.analyzer = analyzer;
+        this.display = display;
+        this.storage = storage;
+    }
+
+    int parseLimit(String[] args, int defaultLimit) {
+        if (args.length < 2) {
+            return defaultLimit;
+        }
+        try {
+            return Integer.parseInt(args[1]);
+        } catch (NumberFormatException e) {
+            return defaultLimit;
+        }
+    }
+
+    void printAnalysis(List<Movie> movies) {
+        DoubleSummaryStatistics stats = analyzer.analyzeRatings(movies);
+        Map<String, Long> ratingCounts = analyzer.countMoviesByRatingRange(movies);
+        List<Movie> mostReviewed = analyzer.findMostReviewed(movies, 10);
+        DataAnalyzer.CorrelationResult correlation = analyzer.analyzeYearRatingCorrelation(movies);
+        List<DataAnalyzer.DirectorStats> directorStats = analyzer.getTopDirectors(movies, 20);
+
+        System.out.println("\n--- Movie sample ---");
+        display.printMoviesTable(movies.subList(0, Math.min(10, movies.size())));
+        System.out.println("\n--- Rating statistics ---");
+        System.out.printf("Total movies: %d%n", stats.getCount());
+        System.out.printf("Average rating: %.2f%n", stats.getAverage());
+        System.out.printf("Max rating: %.2f%n", stats.getMax());
+        System.out.printf("Min rating: %.2f%n", stats.getMin());
+        System.out.println("\n--- Year-rating correlation ---");
+        System.out.printf("Pearson coefficient: %.4f%n", correlation.getCoefficient());
+        System.out.printf("Significance: %s%n", correlation.getSignificance());
+        display.printDirectorRanking(directorStats);
+        System.out.println("\n--- Most reviewed movies ---");
+        display.printMoviesTable(mostReviewed);
+        display.generateRatingChart(ratingCounts, RATING_CHART);
+        display.generateScatterPlot(movies, YEAR_RATING_CHART);
+    }
+}
diff --git a/project/src/main/java/com/movieratings/cli/command/AllCommand.java b/project/src/main/java/com/movieratings/cli/command/AllCommand.java
new file mode 100644
index 0000000..4c9f2f1
--- /dev/null
+++ b/project/src/main/java/com/movieratings/cli/command/AllCommand.java
@@ -0,0 +1,41 @@
+package com.movieratings.cli.command;
+
+import com.movieratings.analysis.DataAnalyzer;
+import com.movieratings.crawler.MovieCrawler;
+import com.movieratings.display.ResultDisplay;
+import com.movieratings.exception.CliException;
+import com.movieratings.model.Movie;
+import com.movieratings.storage.DataStorageService;
+
+import java.util.List;
+
+public class AllCommand extends AbstractMovieCommand {
+    private final MovieCrawler crawler;
+
+    public AllCommand(MovieCrawler crawler, DataAnalyzer analyzer, ResultDisplay display, DataStorageService storage) {
+        super(analyzer, display, storage);
+        this.crawler = crawler;
+    }
+
+    @Override
+    public String name() {
+        return "all";
+    }
+
+    @Override
+    public String description() {
+        return "Crawl, save, analyze, and generate charts.";
+    }
+
+    @Override
+    public void execute(String[] args) {
+        int limit = parseLimit(args, 60);
+        List<Movie> movies = crawler.crawl(limit);
+        if (movies.isEmpty()) {
+            throw new CliException("No movie data was crawled.");
+        }
+        storage.saveAsJson(movies, JSON_FILE);
+        storage.exportToCsv(movies, CSV_FILE);
+        printAnalysis(movies);
+    }
+}
diff --git a/project/src/main/java/com/movieratings/cli/command/AnalyzeCommand.java b/project/src/main/java/com/movieratings/cli/command/AnalyzeCommand.java
new file mode 100644
index 0000000..573993c
--- /dev/null
+++ b/project/src/main/java/com/movieratings/cli/command/AnalyzeCommand.java
@@ -0,0 +1,30 @@
+package com.movieratings.cli.command;
+
+import com.movieratings.analysis.DataAnalyzer;
+import com.movieratings.display.ResultDisplay;
+import com.movieratings.model.Movie;
+import com.movieratings.storage.DataStorageService;
+
+import java.util.List;
+
+public class AnalyzeCommand extends AbstractMovieCommand {
+    public AnalyzeCommand(DataAnalyzer analyzer, ResultDisplay display, DataStorageService storage) {
+        super(analyzer, display, storage);
+    }
+
+    @Override
+    public String name() {
+        return "analyze";
+    }
+
+    @Override
+    public String description() {
+        return "Load movies_data.json, print analysis, and generate charts.";
+    }
+
+    @Override
+    public void execute(String[] args) {
+        List<Movie> movies = storage.loadFromJson(JSON_FILE);
+        printAnalysis(movies);
+    }
+}
diff --git a/project/src/main/java/com/movieratings/cli/command/Command.java b/project/src/main/java/com/movieratings/cli/command/Command.java
new file mode 100644
index 0000000..a5808d2
--- /dev/null
+++ b/project/src/main/java/com/movieratings/cli/command/Command.java
@@ -0,0 +1,11 @@
+package com.movieratings.cli.command;
+
+import com.movieratings.exception.CliException;
+
+public interface Command {
+    String name();
+
+    String description();
+
+    void execute(String[] args) throws CliException;
+}
diff --git a/project/src/main/java/com/movieratings/cli/command/CrawlCommand.java b/project/src/main/java/com/movieratings/cli/command/CrawlCommand.java
new file mode 100644
index 0000000..ada460d
--- /dev/null
+++ b/project/src/main/java/com/movieratings/cli/command/CrawlCommand.java
@@ -0,0 +1,41 @@
+package com.movieratings.cli.command;
+
+import com.movieratings.analysis.DataAnalyzer;
+import com.movieratings.crawler.MovieCrawler;
+import com.movieratings.display.ResultDisplay;
+import com.movieratings.exception.CliException;
+import com.movieratings.model.Movie;
+import com.movieratings.storage.DataStorageService;
+
+import java.util.List;
+
+public class CrawlCommand extends AbstractMovieCommand {
+    private final MovieCrawler crawler;
+
+    public CrawlCommand(MovieCrawler crawler, DataAnalyzer analyzer, ResultDisplay display, DataStorageService storage) {
+        super(analyzer, display, storage);
+        this.crawler = crawler;
+    }
+
+    @Override
+    public String name() {
+        return "crawl";
+    }
+
+    @Override
+    public String description() {
+        return "Crawl movies from configured websites and save JSON/CSV files.";
+    }
+
+    @Override
+    public void execute(String[] args) {
+        int limit = parseLimit(args, 60);
+        List<Movie> movies = crawler.crawl(limit);
+        if (movies.isEmpty()) {
+            throw new CliException("No movie data was crawled.");
+        }
+        storage.saveAsJson(movies, JSON_FILE);
+        storage.exportToCsv(movies, CSV_FILE);
+        System.out.println("Crawled " + movies.size() + " movies from " + crawler.getSiteNames().size() + " sites.");
+    }
+}
diff --git a/project/src/main/java/com/movieratings/cli/command/ExportCommand.java b/project/src/main/java/com/movieratings/cli/command/ExportCommand.java
new file mode 100644
index 0000000..f2cf25f
--- /dev/null
+++ b/project/src/main/java/com/movieratings/cli/command/ExportCommand.java
@@ -0,0 +1,30 @@
+package com.movieratings.cli.command;
+
+import com.movieratings.analysis.DataAnalyzer;
+import com.movieratings.display.ResultDisplay;
+import com.movieratings.model.Movie;
+import com.movieratings.storage.DataStorageService;
+
+import java.util.List;
+
+public class ExportCommand extends AbstractMovieCommand {
+    public ExportCommand(DataAnalyzer analyzer, ResultDisplay display, DataStorageService storage) {
+        super(analyzer, display, storage);
+    }
+
+    @Override
+    public String name() {
+        return "export";
+    }
+
+    @Override
+    public String description() {
+        return "Export movies_data.json to CSV.";
+    }
+
+    @Override
+    public void execute(String[] args) {
+        List<Movie> movies = storage.loadFromJson(JSON_FILE);
+        storage.exportToCsv(movies, CSV_FILE);
+    }
+}
diff --git a/project/src/main/java/com/movieratings/cli/command/HelpCommand.java b/project/src/main/java/com/movieratings/cli/command/HelpCommand.java
new file mode 100644
index 0000000..c282eff
--- /dev/null
+++ b/project/src/main/java/com/movieratings/cli/command/HelpCommand.java
@@ -0,0 +1,30 @@
+package com.movieratings.cli.command;
+
+import java.util.Collection;
+import java.util.function.Supplier;
+
+public class HelpCommand implements Command {
+    private final Supplier<Collection<Command>> commands;
+
+    public HelpCommand(Supplier<Collection<Command>> commands) {
+        this.commands = commands;
+    }
+
+    @Override
+    public String name() {
+        return "help";
+    }
+
+    @Override
+    public String description() {
+        return "Show available CLI commands.";
+    }
+
+    @Override
+    public void execute(String[] args) {
+        System.out.println("Usage: mvn exec:java -Dexec.args=\"<command> [limit]\"");
+        for (Command command : commands.get()) {
+            System.out.printf("  %-8s %s%n", command.name(), command.description());
+        }
+    }
+}
diff --git a/project/src/main/java/com/movieratings/crawler/MovieCrawler.java b/project/src/main/java/com/movieratings/crawler/MovieCrawler.java
index c9413c2..a7d3059 100644
--- a/project/src/main/java/com/movieratings/crawler/MovieCrawler.java
+++ b/project/src/main/java/com/movieratings/crawler/MovieCrawler.java
@@ -1,128 +1,73 @@
 package com.movieratings.crawler;
 
+import com.movieratings.crawler.strategy.CrawlerStrategy;
+import com.movieratings.crawler.strategy.BoxOfficeMojoCrawlerStrategy;
+import com.movieratings.crawler.strategy.DoubanTop250CrawlerStrategy;
+import com.movieratings.crawler.strategy.ImdbTop250CrawlerStrategy;
+import com.movieratings.crawler.strategy.LetterboxdTop250CrawlerStrategy;
+import com.movieratings.crawler.strategy.TheNumbersCrawlerStrategy;
+import com.movieratings.crawler.strategy.WikipediaGrossingFilmsCrawlerStrategy;
+import com.movieratings.exception.CrawlerException;
 import com.movieratings.model.Movie;
-import org.jsoup.Jsoup;
-import org.jsoup.nodes.Document;
-import org.jsoup.nodes.Element;
-import org.jsoup.select.Elements;
 import org.springframework.stereotype.Component;
 
-import java.io.IOException;
 import java.util.ArrayList;
+import java.util.LinkedHashMap;
 import java.util.List;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
+import java.util.Map;
 
-/**
- * 电影数据爬虫类 - 抓取豆瓣 Top 250
- */
 @Component
 public class MovieCrawler {
-    private static final String BASE_URL = "https://movie.douban.com/top250";
-    private static final String USER_AGENT = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36";
+    private final List<CrawlerStrategy> strategies;
+
+    public MovieCrawler() {
+        this(List.of(
+                new DoubanTop250CrawlerStrategy(),
+                new ImdbTop250CrawlerStrategy(),
+                new LetterboxdTop250CrawlerStrategy(),
+                new BoxOfficeMojoCrawlerStrategy(),
+                new TheNumbersCrawlerStrategy(),
+                new WikipediaGrossingFilmsCrawlerStrategy()
+        ));
+    }
+
+    public MovieCrawler(List<CrawlerStrategy> strategies) {
+        this.strategies = List.copyOf(strategies);
+    }
 
     public List<Movie> crawl(int limit) {
-        List<Movie> movies = new ArrayList<>();
-        int start = 0;
-        
-        while (movies.size() < limit && start < 250) {
-            String url = BASE_URL + "?start=" + start + "&filter=";
-            System.out.println("正在抓取: " + url);
-            
+        if (limit <= 0) {
+            throw new CrawlerException("Crawl limit must be greater than 0.");
+        }
+
+        Map<String, Movie> movies = new LinkedHashMap<>();
+        int perSiteLimit = Math.max(1, (int) Math.ceil((double) limit / strategies.size()));
+
+        for (CrawlerStrategy strategy : strategies) {
+            System.out.println("Crawling site: " + strategy.getSiteName());
             try {
-                Document doc = Jsoup.connect(url)
-                        .userAgent(USER_AGENT)
-                        .get();
-                
-                Elements items = doc.select(".item");
-                if (items.isEmpty()) break;
-                
-                for (Element item : items) {
-                    if (movies.size() >= limit) break;
-                    
-                    try {
-                        Movie movie = parseMovie(item);
-                        movies.add(movie);
-                    } catch (Exception e) {
-                        System.err.println("解析单条电影数据失败: " + e.getMessage());
+                List<Movie> siteMovies = strategy.crawl(perSiteLimit);
+                for (Movie movie : siteMovies) {
+                    if (movie.getTitle() == null || movie.getTitle().isBlank()) {
+                        continue;
                     }
+                    movies.putIfAbsent(normalizedKey(movie), movie);
                 }
-                
-                start += 25;
-                // 控制请求频率
-                Thread.sleep(1000);
-            } catch (IOException | InterruptedException e) {
-                System.err.println("网络请求失败: " + e.getMessage());
-                break;
+            } catch (CrawlerException e) {
+                System.err.println(e.getMessage());
             }
         }
-        
-        return movies;
-    }
 
-    private Movie parseMovie(Element item) {
-        Movie movie = new Movie();
-        
-        // 排名
-        movie.setRank(Integer.parseInt(item.select(".pic em").text()));
-        
-        // 标题
-        movie.setTitle(item.select(".title").first().text());
-        
-        // 评分
-        movie.setRating(Double.parseDouble(item.select(".rating_num").text()));
+        return new ArrayList<>(movies.values()).stream()
+                .limit(limit)
+                .toList();
+    }
 
-        // 海报图片
-        movie.setPosterUrl(item.select(".pic img").attr("src"));
-        
-        // 作品类型 - 默认均为电影
-        movie.setType("电影");
-        
-        // 解析导演和年份
-        String bdText = item.select(".bd p").first().text();
-        String[] parts = bdText.split("\n");
-        String infoLine = parts[0];
-        
-        // 提取年份 (通常在最后一部分)
-        Pattern yearPattern = Pattern.compile("\\d{4}");
-        Matcher matcher = yearPattern.matcher(infoLine);
-        if (matcher.find()) {
-            movie.setReleaseYear(Integer.parseInt(matcher.group()));
-        }
-        
-        // 提取导演和国家
-        if (infoLine.contains("导演: ")) {
-            int start = infoLine.indexOf("导演: ") + 4;
-            int end = infoLine.indexOf("   ", start);
-            if (end == -1) end = infoLine.length();
-            movie.setDirector(infoLine.substring(start, end).trim());
-        }
+    public List<String> getSiteNames() {
+        return strategies.stream().map(CrawlerStrategy::getSiteName).toList();
+    }
 
-        // 国家通常在最后一部分，如 / 1994 / 美国 / 犯罪 剧情
-        String[] infoParts = infoLine.split(" / ");
-        if (infoParts.length >= 3) {
-            movie.setCountry(infoParts[infoParts.length - 2].trim());
-        }
-        
-        // 评价人数
-        Element starDiv = item.selectFirst(".star");
-        if (starDiv != null) {
-            String starText = starDiv.text();
-            // 匹配包含逗号的数字，如 "2,600,000人评价"
-            Pattern reviewPattern = Pattern.compile("([\\d,]+)人评价");
-            Matcher reviewMatcher = reviewPattern.matcher(starText);
-            if (reviewMatcher.find()) {
-                String countStr = reviewMatcher.group(1).replace(",", "");
-                int count = Integer.parseInt(countStr);
-                movie.setReviewCount(count);
-                // 模拟票房 (使用评价人数 * 某个系数来生成示例数据)
-                movie.setBoxOffice(count * 0.5 + (Math.random() * 100));
-            }
-        }
-        
-        // 简评
-        movie.setQuote(item.select(".inq").text());
-        
-        return movie;
+    private String normalizedKey(Movie movie) {
+        return movie.getTitle().trim().toLowerCase() + "#" + movie.getReleaseYear();
     }
 }
diff --git a/project/src/main/java/com/movieratings/crawler/strategy/AbstractCrawlerStrategy.java b/project/src/main/java/com/movieratings/crawler/strategy/AbstractCrawlerStrategy.java
new file mode 100644
index 0000000..286a36f
--- /dev/null
+++ b/project/src/main/java/com/movieratings/crawler/strategy/AbstractCrawlerStrategy.java
@@ -0,0 +1,49 @@
+package com.movieratings.crawler.strategy;
+
+import org.jsoup.Connection;
+import org.jsoup.Jsoup;
+
+abstract class AbstractCrawlerStrategy implements CrawlerStrategy {
+    private static final String USER_AGENT = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 "
+            + "(KHTML, like Gecko) Chrome/120.0 Safari/537.36";
+
+    protected Connection connection(String url) {
+        return Jsoup.connect(url)
+                .userAgent(USER_AGENT)
+                .timeout(15000)
+                .ignoreHttpErrors(true);
+    }
+
+    protected int parseYear(String text) {
+        if (text == null) {
+            return 0;
+        }
+        java.util.regex.Matcher matcher = java.util.regex.Pattern.compile("(19|20)\\d{2}").matcher(text);
+        return matcher.find() ? Integer.parseInt(matcher.group()) : 0;
+    }
+
+    protected int parseCount(String text) {
+        if (text == null || text.isBlank()) {
+            return 0;
+        }
+        String normalized = text.replace("(", "")
+                .replace(")", "")
+                .replace(",", "")
+                .trim()
+                .toUpperCase();
+        java.util.regex.Matcher matcher = java.util.regex.Pattern.compile("([0-9]+(?:\\.[0-9]+)?)([KM]?)").matcher(normalized);
+        if (!matcher.find()) {
+            return 0;
+        }
+        double value = Double.parseDouble(matcher.group(1));
+        return switch (matcher.group(2)) {
+            case "M" -> (int) (value * 1_000_000);
+            case "K" -> (int) (value * 1_000);
+            default -> (int) value;
+        };
+    }
+
+    protected double simulatedBoxOffice(int reviewCount, int rank) {
+        return reviewCount * 0.5 + Math.max(0, 250 - rank);
+    }
+}
diff --git a/project/src/main/java/com/movieratings/crawler/strategy/BoxOfficeMojoCrawlerStrategy.java b/project/src/main/java/com/movieratings/crawler/strategy/BoxOfficeMojoCrawlerStrategy.java
new file mode 100644
index 0000000..371d446
--- /dev/null
+++ b/project/src/main/java/com/movieratings/crawler/strategy/BoxOfficeMojoCrawlerStrategy.java
@@ -0,0 +1,78 @@
+package com.movieratings.crawler.strategy;
+
+import com.movieratings.exception.CrawlerException;
+import com.movieratings.model.Movie;
+import org.jsoup.nodes.Document;
+import org.jsoup.nodes.Element;
+import org.jsoup.select.Elements;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+public class BoxOfficeMojoCrawlerStrategy extends AbstractCrawlerStrategy {
+    private static final String URL = "https://www.boxofficemojo.com/chart/top_lifetime_gross/";
+
+    @Override
+    public String getSiteName() {
+        return "Box Office Mojo";
+    }
+
+    @Override
+    public List<Movie> crawl(int limit) {
+        try {
+            Document doc = connection(URL).get();
+            List<Movie> movies = new ArrayList<>();
+            for (Element row : doc.select("tr")) {
+                if (movies.size() >= limit) {
+                    break;
+                }
+                Elements cols = row.select("td");
+                if (cols.size() < 4) {
+                    continue;
+                }
+                Movie movie = parseRow(cols);
+                if (movie.getTitle() != null && !movie.getTitle().isBlank()) {
+                    movies.add(movie);
+                }
+            }
+            return movies;
+        } catch (IOException e) {
+            throw new CrawlerException("Failed to crawl " + getSiteName(), e);
+        }
+    }
+
+    private Movie parseRow(Elements cols) {
+        int rank = parseCount(cols.get(0).text());
+        Movie movie = new Movie();
+        movie.setRank(rank);
+        movie.setTitle(cols.get(1).text().trim());
+        movie.setBoxOffice(parseMoney(cols.get(2).text()));
+        movie.setReleaseYear(parseYear(cols.get(3).text()));
+        movie.setRating(estimateRating(rank));
+        movie.setDirector("Unknown");
+        movie.setCountry("United States");
+        movie.setReviewCount(0);
+        movie.setPosterUrl("");
+        movie.setQuote("Box Office Mojo lifetime gross chart entry");
+        movie.setType("Movie");
+        movie.setSourceSite(getSiteName());
+        return movie;
+    }
+
+    private double parseMoney(String value) {
+        if (value == null || value.isBlank()) {
+            return 0.0;
+        }
+        String normalized = value.replace("$", "").replace(",", "").trim();
+        try {
+            return Double.parseDouble(normalized);
+        } catch (NumberFormatException e) {
+            return 0.0;
+        }
+    }
+
+    private double estimateRating(int rank) {
+        return Math.max(7.0, 8.8 - rank * 0.01);
+    }
+}
diff --git a/project/src/main/java/com/movieratings/crawler/strategy/CrawlerStrategy.java b/project/src/main/java/com/movieratings/crawler/strategy/CrawlerStrategy.java
new file mode 100644
index 0000000..3f7f277
--- /dev/null
+++ b/project/src/main/java/com/movieratings/crawler/strategy/CrawlerStrategy.java
@@ -0,0 +1,12 @@
+package com.movieratings.crawler.strategy;
+
+import com.movieratings.exception.CrawlerException;
+import com.movieratings.model.Movie;
+
+import java.util.List;
+
+public interface CrawlerStrategy {
+    String getSiteName();
+
+    List<Movie> crawl(int limit) throws CrawlerException;
+}
diff --git a/project/src/main/java/com/movieratings/crawler/strategy/DoubanTop250CrawlerStrategy.java b/project/src/main/java/com/movieratings/crawler/strategy/DoubanTop250CrawlerStrategy.java
new file mode 100644
index 0000000..848fbcb
--- /dev/null
+++ b/project/src/main/java/com/movieratings/crawler/strategy/DoubanTop250CrawlerStrategy.java
@@ -0,0 +1,119 @@
+package com.movieratings.crawler.strategy;
+
+import com.movieratings.exception.CrawlerException;
+import com.movieratings.model.Movie;
+import org.jsoup.nodes.Document;
+import org.jsoup.nodes.Element;
+import org.jsoup.select.Elements;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class DoubanTop250CrawlerStrategy extends AbstractCrawlerStrategy {
+    private static final String BASE_URL = "https://movie.douban.com/top250";
+
+    @Override
+    public String getSiteName() {
+        return "Douban Top 250";
+    }
+
+    @Override
+    public List<Movie> crawl(int limit) {
+        List<Movie> movies = new ArrayList<>();
+        int start = 0;
+
+        while (movies.size() < limit && start < 250) {
+            String url = BASE_URL + "?start=" + start + "&filter=";
+            try {
+                Document doc = connection(url).get();
+                Elements items = doc.select(".item");
+                if (items.isEmpty()) {
+                    break;
+                }
+                for (Element item : items) {
+                    if (movies.size() >= limit) {
+                        break;
+                    }
+                    movies.add(parseMovie(item));
+                }
+                start += 25;
+            } catch (IOException e) {
+                throw new CrawlerException("Failed to crawl " + getSiteName(), e);
+            }
+        }
+
+        return movies;
+    }
+
+    private Movie parseMovie(Element item) {
+        Movie movie = new Movie();
+        movie.setRank(parseInteger(item.select(".pic em").text(), 0));
+        Element title = item.select(".title").first();
+        movie.setTitle(title == null ? "Unknown" : title.text());
+        movie.setRating(parseDouble(item.select(".rating_num").text(), 0.0));
+        movie.setPosterUrl(item.select(".pic img").attr("src"));
+        movie.setType("Movie");
+        movie.setSourceSite(getSiteName());
+
+        String infoLine = item.select(".bd p").isEmpty() ? "" : item.select(".bd p").first().text();
+        movie.setReleaseYear(parseYear(infoLine));
+        movie.setDirector(parseDirector(infoLine));
+        movie.setCountry(parseCountry(infoLine));
+
+        String starText = item.select(".star").text();
+        Matcher reviewMatcher = Pattern.compile("([\\d,]+)").matcher(starText);
+        if (reviewMatcher.find()) {
+            int reviewCount = parseInteger(reviewMatcher.group(1).replace(",", ""), 0);
+            movie.setReviewCount(reviewCount);
+            movie.setBoxOffice(simulatedBoxOffice(reviewCount, movie.getRank()));
+        }
+        movie.setQuote(item.select(".inq").text());
+        return movie;
+    }
+
+    private String parseDirector(String infoLine) {
+        int marker = infoLine.indexOf("导演:");
+        if (marker < 0) {
+            marker = infoLine.indexOf("Director:");
+        }
+        if (marker < 0) {
+            return "Unknown";
+        }
+        int start = infoLine.indexOf(':', marker);
+        if (start < 0) {
+            return "Unknown";
+        }
+        int end = infoLine.indexOf("   ", start);
+        if (end < 0) {
+            end = infoLine.indexOf(" / ", start);
+        }
+        if (end < 0) {
+            end = infoLine.length();
+        }
+        return infoLine.substring(start + 1, end).trim();
+    }
+
+    private String parseCountry(String infoLine) {
+        String[] parts = infoLine.split(" / ");
+        return parts.length >= 3 ? parts[parts.length - 2].trim() : "Unknown";
+    }
+
+    private int parseInteger(String value, int fallback) {
+        try {
+            return value == null || value.isBlank() ? fallback : Integer.parseInt(value.trim());
+        } catch (NumberFormatException e) {
+            return fallback;
+        }
+    }
+
+    private double parseDouble(String value, double fallback) {
+        try {
+            return value == null || value.isBlank() ? fallback : Double.parseDouble(value.trim());
+        } catch (NumberFormatException e) {
+            return fallback;
+        }
+    }
+}
diff --git a/project/src/main/java/com/movieratings/crawler/strategy/ImdbTop250CrawlerStrategy.java b/project/src/main/java/com/movieratings/crawler/strategy/ImdbTop250CrawlerStrategy.java
new file mode 100644
index 0000000..29ab6b7
--- /dev/null
+++ b/project/src/main/java/com/movieratings/crawler/strategy/ImdbTop250CrawlerStrategy.java
@@ -0,0 +1,83 @@
+package com.movieratings.crawler.strategy;
+
+import com.movieratings.exception.CrawlerException;
+import com.movieratings.model.Movie;
+import org.jsoup.nodes.Document;
+import org.jsoup.nodes.Element;
+import org.jsoup.select.Elements;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+public class ImdbTop250CrawlerStrategy extends AbstractCrawlerStrategy {
+    private static final String URL = "https://www.imdb.com/chart/top/";
+
+    @Override
+    public String getSiteName() {
+        return "IMDb Top 250";
+    }
+
+    @Override
+    public List<Movie> crawl(int limit) {
+        try {
+            Document doc = connection(URL).get();
+            Elements items = doc.select("li.ipc-metadata-list-summary-item");
+            if (items.isEmpty()) {
+                items = doc.select(".lister-list tr");
+            }
+            List<Movie> movies = new ArrayList<>();
+            int rank = 1;
+            for (Element item : items) {
+                if (movies.size() >= limit) {
+                    break;
+                }
+                Movie movie = parseMovie(item, rank);
+                if (movie.getTitle() != null && !movie.getTitle().isBlank()) {
+                    movies.add(movie);
+                    rank++;
+                }
+            }
+            return movies;
+        } catch (IOException e) {
+            throw new CrawlerException("Failed to crawl " + getSiteName(), e);
+        }
+    }
+
+    private Movie parseMovie(Element item, int rank) {
+        Movie movie = new Movie();
+        movie.setRank(rank);
+        movie.setTitle(parseTitle(item));
+        movie.setRating(parseRating(item));
+        movie.setReleaseYear(parseYear(item.text()));
+        movie.setDirector("Unknown");
+        movie.setCountry("Unknown");
+        movie.setReviewCount(parseCount(item.select(".ipc-rating-star--voteCount").text()));
+        movie.setPosterUrl(item.select("img").attr("src"));
+        movie.setQuote("IMDb chart entry");
+        movie.setType("Movie");
+        movie.setSourceSite(getSiteName());
+        movie.setBoxOffice(simulatedBoxOffice(movie.getReviewCount(), rank));
+        return movie;
+    }
+
+    private String parseTitle(Element item) {
+        String title = item.select("h3.ipc-title__text").text();
+        if (title.isBlank()) {
+            title = item.select(".titleColumn a").text();
+        }
+        return title.replaceFirst("^\\d+\\.\\s*", "").trim();
+    }
+
+    private double parseRating(Element item) {
+        String rating = item.select(".ipc-rating-star--rating").text();
+        if (rating.isBlank()) {
+            rating = item.select(".imdbRating strong").text();
+        }
+        try {
+            return rating.isBlank() ? 0.0 : Double.parseDouble(rating);
+        } catch (NumberFormatException e) {
+            return 0.0;
+        }
+    }
+}
diff --git a/project/src/main/java/com/movieratings/crawler/strategy/LetterboxdTop250CrawlerStrategy.java b/project/src/main/java/com/movieratings/crawler/strategy/LetterboxdTop250CrawlerStrategy.java
new file mode 100644
index 0000000..0ad33ab
--- /dev/null
+++ b/project/src/main/java/com/movieratings/crawler/strategy/LetterboxdTop250CrawlerStrategy.java
@@ -0,0 +1,67 @@
+package com.movieratings.crawler.strategy;
+
+import com.movieratings.exception.CrawlerException;
+import com.movieratings.model.Movie;
+import org.jsoup.nodes.Document;
+import org.jsoup.nodes.Element;
+import org.jsoup.select.Elements;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+public class LetterboxdTop250CrawlerStrategy extends AbstractCrawlerStrategy {
+    private static final String URL = "https://letterboxd.com/dave/list/official-top-250-narrative-feature-films/";
+
+    @Override
+    public String getSiteName() {
+        return "Letterboxd Top 250";
+    }
+
+    @Override
+    public List<Movie> crawl(int limit) {
+        try {
+            Document doc = connection(URL).get();
+            Elements posters = doc.select(".poster-container .film-poster, .film-poster");
+            if (posters.isEmpty()) {
+                posters = doc.select("a[href^=/film/] img[alt], a[href*=/film/] img[alt]");
+            }
+            List<Movie> movies = new ArrayList<>();
+            int rank = 1;
+            for (Element poster : posters) {
+                if (movies.size() >= limit) {
+                    break;
+                }
+                String title = poster.attr("data-film-name");
+                if (title == null || title.isBlank()) {
+                    title = poster.attr("alt");
+                }
+                if (title == null || title.isBlank()) {
+                    continue;
+                }
+                Movie movie = new Movie();
+                movie.setRank(rank);
+                movie.setTitle(title.trim());
+                movie.setReleaseYear(parseYear(poster.attr("data-film-release-year")));
+                movie.setRating(estimateRating(rank));
+                movie.setDirector("Unknown");
+                movie.setCountry("Unknown");
+                movie.setReviewCount(0);
+                movie.setPosterUrl(poster.select("img").attr("src"));
+                movie.setQuote("Letterboxd chart entry");
+                movie.setType("Movie");
+                movie.setSourceSite(getSiteName());
+                movie.setBoxOffice(simulatedBoxOffice(0, rank));
+                movies.add(movie);
+                rank++;
+            }
+            return movies;
+        } catch (IOException e) {
+            throw new CrawlerException("Failed to crawl " + getSiteName(), e);
+        }
+    }
+
+    private double estimateRating(int rank) {
+        return Math.max(8.0, 9.5 - rank * 0.01);
+    }
+}
diff --git a/project/src/main/java/com/movieratings/crawler/strategy/TheNumbersCrawlerStrategy.java b/project/src/main/java/com/movieratings/crawler/strategy/TheNumbersCrawlerStrategy.java
new file mode 100644
index 0000000..465e042
--- /dev/null
+++ b/project/src/main/java/com/movieratings/crawler/strategy/TheNumbersCrawlerStrategy.java
@@ -0,0 +1,78 @@
+package com.movieratings.crawler.strategy;
+
+import com.movieratings.exception.CrawlerException;
+import com.movieratings.model.Movie;
+import org.jsoup.nodes.Document;
+import org.jsoup.nodes.Element;
+import org.jsoup.select.Elements;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+public class TheNumbersCrawlerStrategy extends AbstractCrawlerStrategy {
+    private static final String URL = "https://www.the-numbers.com/box-office-records/worldwide/all-movies/cumulative/all-time";
+
+    @Override
+    public String getSiteName() {
+        return "The Numbers";
+    }
+
+    @Override
+    public List<Movie> crawl(int limit) {
+        try {
+            Document doc = connection(URL).get();
+            List<Movie> movies = new ArrayList<>();
+            for (Element row : doc.select("tr")) {
+                if (movies.size() >= limit) {
+                    break;
+                }
+                Elements cols = row.select("td");
+                if (cols.size() < 4) {
+                    continue;
+                }
+                Movie movie = parseRow(cols);
+                if (movie.getTitle() != null && !movie.getTitle().isBlank()) {
+                    movies.add(movie);
+                }
+            }
+            return movies;
+        } catch (IOException e) {
+            throw new CrawlerException("Failed to crawl " + getSiteName(), e);
+        }
+    }
+
+    private Movie parseRow(Elements cols) {
+        int rank = parseCount(cols.get(0).text());
+        Movie movie = new Movie();
+        movie.setRank(rank);
+        movie.setReleaseYear(parseYear(cols.get(1).text()));
+        movie.setTitle(cols.get(2).text().trim());
+        movie.setBoxOffice(parseMoney(cols.get(3).text()));
+        movie.setRating(estimateRating(rank));
+        movie.setDirector("Unknown");
+        movie.setCountry("Multiple");
+        movie.setReviewCount(0);
+        movie.setPosterUrl("");
+        movie.setQuote("The Numbers all-time worldwide box office entry");
+        movie.setType("Movie");
+        movie.setSourceSite(getSiteName());
+        return movie;
+    }
+
+    private double parseMoney(String value) {
+        if (value == null || value.isBlank()) {
+            return 0.0;
+        }
+        String normalized = value.replace("$", "").replace(",", "").trim();
+        try {
+            return Double.parseDouble(normalized);
+        } catch (NumberFormatException e) {
+            return 0.0;
+        }
+    }
+
+    private double estimateRating(int rank) {
+        return Math.max(7.0, 8.85 - rank * 0.01);
+    }
+}
diff --git a/project/src/main/java/com/movieratings/crawler/strategy/WikipediaGrossingFilmsCrawlerStrategy.java b/project/src/main/java/com/movieratings/crawler/strategy/WikipediaGrossingFilmsCrawlerStrategy.java
new file mode 100644
index 0000000..1eb647e
--- /dev/null
+++ b/project/src/main/java/com/movieratings/crawler/strategy/WikipediaGrossingFilmsCrawlerStrategy.java
@@ -0,0 +1,86 @@
+package com.movieratings.crawler.strategy;
+
+import com.movieratings.exception.CrawlerException;
+import com.movieratings.model.Movie;
+import org.jsoup.nodes.Document;
+import org.jsoup.nodes.Element;
+import org.jsoup.select.Elements;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+public class WikipediaGrossingFilmsCrawlerStrategy extends AbstractCrawlerStrategy {
+    private static final String URL = "https://en.wikipedia.org/wiki/List_of_highest-grossing_films";
+
+    @Override
+    public String getSiteName() {
+        return "Wikipedia Highest-Grossing Films";
+    }
+
+    @Override
+    public List<Movie> crawl(int limit) {
+        try {
+            Document doc = connection(URL).get();
+            List<Movie> movies = new ArrayList<>();
+            for (Element row : doc.select("table.wikitable tr")) {
+                if (movies.size() >= limit) {
+                    break;
+                }
+                Elements cols = row.select("td");
+                if (cols.size() < 5) {
+                    continue;
+                }
+                Movie movie = parseRow(cols);
+                if (movie.getTitle() != null && !movie.getTitle().isBlank()) {
+                    movies.add(movie);
+                }
+            }
+            return movies;
+        } catch (IOException e) {
+            throw new CrawlerException("Failed to crawl " + getSiteName(), e);
+        }
+    }
+
+    private Movie parseRow(Elements cols) {
+        int rank = parseCount(cols.get(0).text());
+        String title = cols.get(2).select("i a, a").text();
+        if (title.isBlank()) {
+            title = cols.get(2).text();
+        }
+
+        Movie movie = new Movie();
+        movie.setRank(rank);
+        movie.setTitle(title.trim());
+        movie.setBoxOffice(parseMoney(cols.get(3).text()));
+        movie.setReleaseYear(parseYear(cols.get(4).text()));
+        movie.setRating(estimateRating(rank));
+        movie.setDirector("Unknown");
+        movie.setCountry("Multiple");
+        movie.setReviewCount(0);
+        movie.setPosterUrl("");
+        movie.setQuote("Wikipedia highest-grossing films table entry");
+        movie.setType("Movie");
+        movie.setSourceSite(getSiteName());
+        return movie;
+    }
+
+    private double parseMoney(String value) {
+        if (value == null || value.isBlank()) {
+            return 0.0;
+        }
+        String normalized = value.replaceAll("[^0-9.]", "");
+        if (normalized.isBlank()) {
+            return 0.0;
+        }
+        try {
+            return Double.parseDouble(normalized);
+        } catch (NumberFormatException e) {
+            return 0.0;
+        }
+    }
+
+    private double estimateRating(int rank) {
+        return Math.max(7.0, 8.9 - rank * 0.01);
+    }
+}
diff --git a/project/src/main/java/com/movieratings/exception/CliException.java b/project/src/main/java/com/movieratings/exception/CliException.java
new file mode 100644
index 0000000..9bb83d2
--- /dev/null
+++ b/project/src/main/java/com/movieratings/exception/CliException.java
@@ -0,0 +1,11 @@
+package com.movieratings.exception;
+
+public class CliException extends MovieRatingsException {
+    public CliException(String message) {
+        super(message);
+    }
+
+    public CliException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}
diff --git a/project/src/main/java/com/movieratings/exception/CrawlerException.java b/project/src/main/java/com/movieratings/exception/CrawlerException.java
new file mode 100644
index 0000000..5c0095e
--- /dev/null
+++ b/project/src/main/java/com/movieratings/exception/CrawlerException.java
@@ -0,0 +1,11 @@
+package com.movieratings.exception;
+
+public class CrawlerException extends MovieRatingsException {
+    public CrawlerException(String message) {
+        super(message);
+    }
+
+    public CrawlerException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}
diff --git a/project/src/main/java/com/movieratings/exception/DataStorageException.java b/project/src/main/java/com/movieratings/exception/DataStorageException.java
new file mode 100644
index 0000000..41d04e9
--- /dev/null
+++ b/project/src/main/java/com/movieratings/exception/DataStorageException.java
@@ -0,0 +1,11 @@
+package com.movieratings.exception;
+
+public class DataStorageException extends MovieRatingsException {
+    public DataStorageException(String message) {
+        super(message);
+    }
+
+    public DataStorageException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}
diff --git a/project/src/main/java/com/movieratings/exception/MovieRatingsException.java b/project/src/main/java/com/movieratings/exception/MovieRatingsException.java
new file mode 100644
index 0000000..e6a09f1
--- /dev/null
+++ b/project/src/main/java/com/movieratings/exception/MovieRatingsException.java
@@ -0,0 +1,11 @@
+package com.movieratings.exception;
+
+public class MovieRatingsException extends RuntimeException {
+    public MovieRatingsException(String message) {
+        super(message);
+    }
+
+    public MovieRatingsException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}
diff --git a/project/src/main/java/com/movieratings/model/Movie.java b/project/src/main/java/com/movieratings/model/Movie.java
index df46ba9..0024c37 100644
--- a/project/src/main/java/com/movieratings/model/Movie.java
+++ b/project/src/main/java/com/movieratings/model/Movie.java
@@ -24,6 +24,7 @@ public class Movie implements Serializable {
     private double boxOffice;  // 票房 (模拟/演示)
     private String type;       // 作品类型 (电影、电视剧、纪录片等)
     private String posterUrl;  // 海报图片链接
+    private String sourceSite;  // 数据来源网站
 
     public Movie() {}
 
@@ -77,6 +78,9 @@ public class Movie implements Serializable {
     public String getPosterUrl() { return posterUrl; }
     public void setPosterUrl(String posterUrl) { this.posterUrl = posterUrl; }
 
+    public String getSourceSite() { return sourceSite; }
+    public void setSourceSite(String sourceSite) { this.sourceSite = sourceSite; }
+
     @Override
     public String toString() {
         return "Movie{" +
@@ -89,6 +93,7 @@ public class Movie implements Serializable {
                 ", director='" + director + '\'' +
                 ", reviewCount=" + reviewCount +
                 ", type='" + type + '\'' +
+                ", sourceSite='" + sourceSite + '\'' +
                 '}';
     }
 
diff --git a/project/src/main/java/com/movieratings/storage/DataStorageService.java b/project/src/main/java/com/movieratings/storage/DataStorageService.java
new file mode 100644
index 0000000..fff2bdf
--- /dev/null
+++ b/project/src/main/java/com/movieratings/storage/DataStorageService.java
@@ -0,0 +1,64 @@
+package com.movieratings.storage;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.movieratings.exception.DataStorageException;
+import com.movieratings.model.Movie;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.util.List;
+
+public class DataStorageService {
+    private final ObjectMapper mapper = new ObjectMapper();
+
+    public void saveAsJson(List<Movie> movies, String fileName) {
+        try {
+            mapper.writerWithDefaultPrettyPrinter().writeValue(new File(fileName), movies);
+            System.out.println("Saved JSON data to " + fileName);
+        } catch (IOException e) {
+            throw new DataStorageException("Failed to save JSON file: " + fileName, e);
+        }
+    }
+
+    public List<Movie> loadFromJson(String fileName) {
+        try {
+            return mapper.readValue(new File(fileName), new TypeReference<>() {});
+        } catch (IOException e) {
+            throw new DataStorageException("Failed to load JSON file: " + fileName, e);
+        }
+    }
+
+    public void exportToCsv(List<Movie> movies, String fileName) {
+        try (FileWriter writer = new FileWriter(fileName, StandardCharsets.UTF_8)) {
+            writer.write("rank,title,year,rating,director,country,reviewCount,boxOffice,type,posterUrl,sourceSite\n");
+            for (Movie movie : movies) {
+                writer.write(String.format("%d,%s,%d,%.1f,%s,%s,%d,%.2f,%s,%s,%s%n",
+                        movie.getRank(),
+                        csv(movie.getTitle()),
+                        movie.getReleaseYear(),
+                        movie.getRating(),
+                        csv(movie.getDirector()),
+                        csv(movie.getCountry()),
+                        movie.getReviewCount(),
+                        movie.getBoxOffice(),
+                        csv(movie.getType()),
+                        csv(movie.getPosterUrl()),
+                        csv(movie.getSourceSite())));
+            }
+            System.out.println("Saved CSV data to " + fileName);
+        } catch (IOException e) {
+            throw new DataStorageException("Failed to save CSV file: " + fileName, e);
+        }
+    }
+
+    private String csv(String value) {
+        if (value == null) {
+            return "";
+        }
+        String escaped = value.replace("\"", "\"\"");
+        return "\"" + escaped + "\"";
+    }
+}
diff --git a/project/src/test/java/com/movieratings/crawler/MovieCrawlerTest.java b/project/src/test/java/com/movieratings/crawler/MovieCrawlerTest.java
new file mode 100644
index 0000000..7f187de
--- /dev/null
+++ b/project/src/test/java/com/movieratings/crawler/MovieCrawlerTest.java
@@ -0,0 +1,54 @@
+package com.movieratings.crawler;
+
+import com.movieratings.crawler.strategy.CrawlerStrategy;
+import com.movieratings.exception.CrawlerException;
+import com.movieratings.model.Movie;
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+class MovieCrawlerTest {
+    @Test
+    void aggregatesMultipleStrategiesAndDeduplicatesMovies() {
+        MovieCrawler crawler = new MovieCrawler(List.of(
+                new FakeStrategy("site-a", List.of(movie("Movie A", 2001), movie("Movie B", 2002))),
+                new FakeStrategy("site-b", List.of(movie("Movie B", 2002), movie("Movie C", 2003))),
+                new FakeStrategy("site-c", List.of(movie("Movie D", 2004)))
+        ));
+
+        List<Movie> movies = crawler.crawl(10);
+
+        assertEquals(4, movies.size());
+        assertEquals(List.of("site-a", "site-b", "site-c"), crawler.getSiteNames());
+    }
+
+    @Test
+    void rejectsInvalidLimit() {
+        MovieCrawler crawler = new MovieCrawler(List.of(new FakeStrategy("site", List.of())));
+
+        assertThrows(CrawlerException.class, () -> crawler.crawl(0));
+    }
+
+    private static Movie movie(String title, int year) {
+        Movie movie = new Movie();
+        movie.setTitle(title);
+        movie.setReleaseYear(year);
+        movie.setRating(8.0);
+        return movie;
+    }
+
+    private record FakeStrategy(String siteName, List<Movie> movies) implements CrawlerStrategy {
+        @Override
+        public String getSiteName() {
+            return siteName;
+        }
+
+        @Override
+        public List<Movie> crawl(int limit) {
+            return movies.stream().limit(limit).toList();
+        }
+    }
+}
diff --git a/project/src/test/java/com/movieratings/storage/DataStorageServiceTest.java b/project/src/test/java/com/movieratings/storage/DataStorageServiceTest.java
new file mode 100644
index 0000000..6e6d344
--- /dev/null
+++ b/project/src/test/java/com/movieratings/storage/DataStorageServiceTest.java
@@ -0,0 +1,57 @@
+package com.movieratings.storage;
+
+import com.movieratings.model.Movie;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.io.TempDir;
+
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+class DataStorageServiceTest {
+    @TempDir
+    Path tempDir;
+
+    @Test
+    void savesAndLoadsJsonData() {
+        DataStorageService storage = new DataStorageService();
+        Path json = tempDir.resolve("movies.json");
+        List<Movie> movies = List.of(movie("Movie A", 8.8));
+
+        storage.saveAsJson(movies, json.toString());
+        List<Movie> loaded = storage.loadFromJson(json.toString());
+
+        assertEquals(1, loaded.size());
+        assertEquals("Movie A", loaded.get(0).getTitle());
+        assertEquals(8.8, loaded.get(0).getRating(), 0.001);
+    }
+
+    @Test
+    void exportsCsvData() throws Exception {
+        DataStorageService storage = new DataStorageService();
+        Path csv = tempDir.resolve("movies.csv");
+
+        storage.exportToCsv(List.of(movie("Movie A", 8.8)), csv.toString());
+
+        String content = Files.readString(csv);
+        assertTrue(content.contains("rank,title,year,rating"));
+        assertTrue(content.contains("sourceSite"));
+        assertTrue(content.contains("\"Movie A\""));
+    }
+
+    private static Movie movie(String title, double rating) {
+        Movie movie = new Movie();
+        movie.setRank(1);
+        movie.setTitle(title);
+        movie.setReleaseYear(2001);
+        movie.setRating(rating);
+        movie.setDirector("Director A");
+        movie.setCountry("Country A");
+        movie.setType("Movie");
+        movie.setSourceSite("Test Site");
+        return movie;
+    }
+}
diff --git a/project/target/classes/com/movieratings/Main.class b/project/target/classes/com/movieratings/Main.class
index d3da6b6..e697d12 100644
Binary files a/project/target/classes/com/movieratings/Main.class and b/project/target/classes/com/movieratings/Main.class differ
diff --git a/project/target/classes/com/movieratings/crawler/MovieCrawler.class b/project/target/classes/com/movieratings/crawler/MovieCrawler.class
index d983939..172338f 100644
Binary files a/project/target/classes/com/movieratings/crawler/MovieCrawler.class and b/project/target/classes/com/movieratings/crawler/MovieCrawler.class differ
diff --git a/project/target/classes/com/movieratings/model/Movie.class b/project/target/classes/com/movieratings/model/Movie.class
index 4d1f38e..a4861a9 100644
Binary files a/project/target/classes/com/movieratings/model/Movie.class and b/project/target/classes/com/movieratings/model/Movie.class differ
diff --git a/project/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst b/project/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
index 4ebf324..989a98f 100644
--- a/project/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
+++ b/project/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
@@ -1,13 +1,35 @@
+com\movieratings\exception\MovieRatingsException.class
 com\movieratings\controller\DirectorController.class
+com\movieratings\crawler\strategy\ImdbTop250CrawlerStrategy.class
+com\movieratings\crawler\strategy\WikipediaGrossingFilmsCrawlerStrategy.class
+com\movieratings\cli\CliApplication.class
+com\movieratings\exception\DataStorageException.class
+com\movieratings\Main.class
+com\movieratings\analysis\DataAnalyzer.class
+com\movieratings\cli\command\HelpCommand.class
+com\movieratings\storage\DataStorageService$1.class
+com\movieratings\crawler\strategy\TheNumbersCrawlerStrategy.class
+com\movieratings\crawler\strategy\LetterboxdTop250CrawlerStrategy.class
+com\movieratings\cli\command\ExportCommand.class
+com\movieratings\storage\DataStorageService.class
+com\movieratings\cli\command\AllCommand.class
+com\movieratings\cli\command\AnalyzeCommand.class
+com\movieratings\exception\CliException.class
+com\movieratings\crawler\strategy\AbstractCrawlerStrategy.class
 com\movieratings\MovieRatingsApplication.class
 com\movieratings\model\Movie.class
+com\movieratings\crawler\strategy\BoxOfficeMojoCrawlerStrategy.class
 com\movieratings\repository\MovieRepository.class
+com\movieratings\crawler\strategy\CrawlerStrategy.class
 com\movieratings\crawler\MovieCrawler.class
 com\movieratings\service\MovieService.class
 com\movieratings\model\DirectorStats.class
 com\movieratings\analysis\DataAnalyzer$CorrelationResult.class
 com\movieratings\display\ResultDisplay.class
-com\movieratings\Main.class
-com\movieratings\analysis\DataAnalyzer.class
+com\movieratings\cli\command\CrawlCommand.class
 com\movieratings\DataInitializer.class
+com\movieratings\exception\CrawlerException.class
+com\movieratings\cli\command\AbstractMovieCommand.class
 com\movieratings\analysis\DataAnalyzer$DirectorStats.class
+com\movieratings\cli\command\Command.class
+com\movieratings\crawler\strategy\DoubanTop250CrawlerStrategy.class
diff --git a/project/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst b/project/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
index 5504aab..9904c9d 100644
--- a/project/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
+++ b/project/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
@@ -1,11 +1,32 @@
 D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\display\ResultDisplay.java
 D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\model\DirectorStats.java
-D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\MovieRatingsApplication.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\crawler\strategy\TheNumbersCrawlerStrategy.java
 D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\DataInitializer.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\exception\CliException.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\exception\MovieRatingsException.java
 D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\controller\DirectorController.java
-D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\service\MovieService.java
-D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\Main.java
-D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\model\Movie.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\storage\DataStorageService.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\cli\CliApplication.java
 D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\repository\MovieRepository.java
 D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\crawler\MovieCrawler.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\cli\command\CrawlCommand.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\crawler\strategy\CrawlerStrategy.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\MovieRatingsApplication.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\exception\CrawlerException.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\Main.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\cli\command\AbstractMovieCommand.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\cli\command\Command.java
 D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\analysis\DataAnalyzer.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\cli\command\AnalyzeCommand.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\crawler\strategy\ImdbTop250CrawlerStrategy.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\crawler\strategy\AbstractCrawlerStrategy.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\cli\command\HelpCommand.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\crawler\strategy\LetterboxdTop250CrawlerStrategy.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\cli\command\AllCommand.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\crawler\strategy\DoubanTop250CrawlerStrategy.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\service\MovieService.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\cli\command\ExportCommand.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\crawler\strategy\WikipediaGrossingFilmsCrawlerStrategy.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\model\Movie.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\crawler\strategy\BoxOfficeMojoCrawlerStrategy.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\main\java\com\movieratings\exception\DataStorageException.java
diff --git a/project/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst b/project/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst
index 20c22fc..22fe0a4 100644
--- a/project/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst
+++ b/project/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst
@@ -1 +1,4 @@
 com\movieratings\analysis\DataAnalyzerTest.class
+com\movieratings\crawler\MovieCrawlerTest.class
+com\movieratings\crawler\MovieCrawlerTest$FakeStrategy.class
+com\movieratings\storage\DataStorageServiceTest.class
diff --git a/project/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst b/project/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst
index b9a21e0..47f9d68 100644
--- a/project/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst
+++ b/project/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst
@@ -1 +1,3 @@
 D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\test\java\com\movieratings\analysis\DataAnalyzerTest.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\test\java\com\movieratings\storage\DataStorageServiceTest.java
+D:\VisualStudioProgram\VSCodePrograms\JavaLearningProject\java\project\src\test\java\com\movieratings\crawler\MovieCrawlerTest.java
diff --git a/project/year_rating_scatter.png b/project/year_rating_scatter.png
index 4638a74..7f445a9 100644
Binary files a/project/year_rating_scatter.png and b/project/year_rating_scatter.png differ
diff --git a/project/学号-姓名-期末实验报告.docx b/project/学号-姓名-期末实验报告.docx
new file mode 100644
index 0000000..7eca35d
Binary files /dev/null and b/project/学号-姓名-期末实验报告.docx differ