diff --git a/be/src/util/time_guard.h b/be/src/util/time_guard.h
index bff2db83a02d3..95031271ef18c 100644
--- a/be/src/util/time_guard.h
+++ b/be/src/util/time_guard.h
@@ -42,8 +42,8 @@ class TimeGuard {
     const char* _file_name;
     size_t _line;
     int64_t _timeout_ms;
-    int64_t _begin_time;
     LazyMsgCallBack _callback;
+    int64_t _begin_time = 0;
 };
 
 }; // namespace starrocks