diff --git a/src/logservice/ob_log_handler.cpp b/src/logservice/ob_log_handler.cpp
index e4ff1caec1..ddca500fcb 100755
--- a/src/logservice/ob_log_handler.cpp
+++ b/src/logservice/ob_log_handler.cpp
@@ -1205,7 +1205,9 @@ int ObLogHandler::unlock_config_change(const int64_t lock_owner, const int64_t t
 {
   int ret = OB_SUCCESS;
   const int64_t abs_timeout_us = common::ObTimeUtility::current_time() + timeout_us / 2;
-  WLockGuardWithTimeout deps_guard(deps_lock_, abs_timeout_us, ret);
+  // Note: rlock is safe, the deps_lock_ is used to protect states of ObLogHandler
+  // such as is_in_stop_state_.
+  RLockGuardWithTimeout deps_guard(deps_lock_, abs_timeout_us, ret);
   if (IS_NOT_INIT) {
     ret = OB_NOT_INIT;
   } else if (OB_FAIL(ret)) {
diff --git a/src/logservice/ob_log_handler.h b/src/logservice/ob_log_handler.h
index 89b4b017a4..ecdddbf76d 100755
--- a/src/logservice/ob_log_handler.h
+++ b/src/logservice/ob_log_handler.h
@@ -690,6 +690,7 @@ public:
   bool is_offline() const override final;
 private:
   static constexpr int64_t MIN_CONN_TIMEOUT_US = 5 * 1000 * 1000;     // 5s
+  typedef common::TCRWLock::RLockGuardWithTimeout RLockGuardWithTimeout;
   typedef common::TCRWLock::WLockGuardWithTimeout WLockGuardWithTimeout;
 private:
   int submit_config_change_cmd_(const LogConfigChangeCmd &req);