diff --git a/excption/Repoditory.java b/excption/Repoditory.java
new file mode 100644
index 0000000..d88ea2a
--- /dev/null
+++ b/excption/Repoditory.java
@@ -0,0 +1,19 @@
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class ArticleRepository {
+    private static final Logger log = LoggerFactory.getLogger(ArticleRepository.class);
+
+    public void save(Article article) {
+        // 防御检查：空值拦截
+        if (article == null) {
+            log.warn("保存文章失败：article为空");
+            return;
+        }
+        if (article.getTitle() == null || article.getTitle().isBlank()) {
+            log.warn("保存文章失败：标题为空");
+            return;
+        }
+        // 原有保存逻辑
+    }
+}
\ No newline at end of file
diff --git a/excption/excption.java b/excption/excption.java
new file mode 100644
index 0000000..506ba6f
--- /dev/null
+++ b/excption/excption.java
@@ -0,0 +1,7 @@
+package exception;
+
+public class ParseException extends CrawlerException {
+    public ParseException(String message) {
+        super(message);
+    }
+}
\ No newline at end of file
diff --git a/excption/新建 文本文档.txt b/excption/新建 文本文档.txt
new file mode 100644
index 0000000..e69de29