diff --git a/model/misc/vibrator/driver/src/vibrator_driver.c b/model/misc/vibrator/driver/src/vibrator_driver.c
index 4aff88c9..b58d29c6 100644
--- a/model/misc/vibrator/driver/src/vibrator_driver.c
+++ b/model/misc/vibrator/driver/src/vibrator_driver.c
@@ -44,9 +44,9 @@ void VibratorTimerEntry(uintptr_t para)
 {
     struct VibratorDriverData *drvData = (struct VibratorDriverData *)para;
 
-    (void)OsalMutexLock(&drvData->mutex);
     drvData->state = VIBRATOR_STATE_STOP;
     (void)OsalMutexUnlock(&drvData->mutex);
+
     HdfAddWork(&drvData->workQueue, &drvData->work);
 }