diff --git a/kernel/src/los_sem.c b/kernel/src/los_sem.c
index ebc31328..664feccb 100644
--- a/kernel/src/los_sem.c
+++ b/kernel/src/los_sem.c
@@ -232,6 +232,8 @@ LITE_OS_SEC_TEXT UINT32 LOS_SemPend(UINT32 semHandle, UINT32 timeout)
         goto ERROR_SEM_PEND;
     }
 
+    runningTask = (LosTaskCB *)g_losTask.runTask;
+
     if (semPended->semCount > 0) {
         semPended->semCount--;
         LOS_IntRestore(intSave);
@@ -244,7 +246,6 @@ LITE_OS_SEC_TEXT UINT32 LOS_SemPend(UINT32 semHandle, UINT32 timeout)
         goto ERROR_SEM_PEND;
     }
 
-    runningTask = (LosTaskCB *)g_losTask.runTask;
     runningTask->taskSem = (VOID *)semPended;
     OsSchedTaskWait(&semPended->semList, timeout);
     LOS_IntRestore(intSave);