diff --git a/.gitignore b/.gitignore
index 997d73e..83a536a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -52,3 +52,10 @@ scripts/.logs/
 # 测试覆盖率
 *.out
 coverage/
+
+# 编译产物（后端可执行文件）
+backend/issue
+
+# Claude 私有文件
+.claude/commands/
+.claude/worktrees/