diff --git a/w6-巫秋雨-202506050320/ExcelReport.java b/w6-巫秋雨-202506050320/ExcelReport.java
new file mode 100644
index 0000000..ef38592
--- /dev/null
+++ b/w6-巫秋雨-202506050320/ExcelReport.java
@@ -0,0 +1,6 @@
+public class ExcelReport implements ReportInter{
+    @Override
+    public void generate() {
+        System.out.println("生成Excel报表");
+    }
+}
\ No newline at end of file
diff --git a/w6-巫秋雨-202506050320/OldReport.java b/w6-巫秋雨-202506050320/OldReport.java
new file mode 100644
index 0000000..59d83fb
--- /dev/null
+++ b/w6-巫秋雨-202506050320/OldReport.java
@@ -0,0 +1,17 @@
+// 原始错误代码：违反开闭原则
+public class OldReport {
+    public void generate(String type){
+        if(type.equals("PDF")){
+            System.out.println("生成PDF报表");
+        }else if(type.equals("Excel")){
+            System.out.println("生成Excel报表");
+        }
+        // 缺点：新增格式必须修改这里的if else
+    }
+
+    public static void main(String[] args) {
+        OldReport r = new OldReport();
+        r.generate("PDF");
+        r.generate("Excel");
+    }
+}
\ No newline at end of file