diff --git a/frameworks/native/running_lock.cpp b/frameworks/native/running_lock.cpp
index 56ea986f0515fa6b12c64ddba1fb59b02efa64af..52aebb4cb669096198156cb43c4faa7551fda459 100644
--- a/frameworks/native/running_lock.cpp
+++ b/frameworks/native/running_lock.cpp
@@ -93,6 +93,10 @@ ErrCode RunningLock::Lock(int32_t timeOutMs)
         POWER_HILOGE(FEATURE_RUNNING_LOCK, "LProxy=null");
         return E_GET_POWER_SERVICE_FAILED;
     }
+    if (token_ == nullptr) {
+        POWER_HILOGE(FEATURE_RUNNING_LOCK, "token_=nullptr");
+        return PowerErrors::ERR_CONNECTION_FAIL;
+    }
     POWER_HILOGD(FEATURE_RUNNING_LOCK, "Service side Lock call, timeOutMs=%{public}d", timeOutMs);
     if (runningLockInfo_.type == RunningLockType::RUNNINGLOCK_PROXIMITY_SCREEN_CONTROL) {
         timeOutMs = NOT_USE_TIMEOUT;