diff --git a/db/db_impl.cc b/db/db_impl.cc
index 47afc77..c8e5ea2 100644
--- a/db/db_impl.cc
+++ b/db/db_impl.cc
@@ -1742,14 +1742,14 @@ void DBImpl::GarbageCollect() {
       valuelog_set.emplace(filename);
     }
   }
-  //bool tmp_judge=false;//only clean one file
+  bool tmp_judge=false;//only clean one file
   for (std::string valuelog_name : valuelog_set) {
-    // if(tmp_judge){
-    //   break;
-    // }
-    // else{
-    //   tmp_judge=true;
-    // }
+    if(tmp_judge){
+      break;
+    }
+    else{
+      tmp_judge=true;
+    }
     uint64_t cur_log_number = GetValueLogID(valuelog_name);
     valuelog_name = ValueLogFileName(dbname_, cur_log_number);
     if (cur_log_number == valuelogfile_number_) {
diff --git a/设计文档.assets/image-20241210005029291.png b/设计文档.assets/image-20241210005029291.png
new file mode 100644
index 0000000..1e2b81f
Binary files /dev/null and b/设计文档.assets/image-20241210005029291.png differ
diff --git a/设计文档.md b/设计文档.md
index 850aaf6..7ea3a4a 100644
--- a/设计文档.md
+++ b/设计文档.md
@@ -596,7 +596,7 @@ version_2:
 
 version_3:
 
-![image-20241208233143593](设计文档.assets/image-20241208233143593.png)
+![image-20241210005029291](设计文档.assets/image-20241210005029291.png)
 
 ## 6. 可能遇到的挑战与解决方案
 
@@ -650,4 +650,5 @@ version_3:
 - [ ] 对范围查询做ValueLog预取优化
 - [ ] 对valueLog做压缩优化(?)
 - [ ] 实现key-only scan（便利用户，一些场景无需找value）
-- [ ] 实现YCSB benchmark测试
\ No newline at end of file
+- [ ] 实现YCSB benchmark测试
+- [ ] 使用内存表或者元数据表做valueLog空洞率记录
\ No newline at end of file