diff --git a/Kernel/Task.cpp b/Kernel/Task.cpp
index 7957fbfd..989aba48 100644
--- a/Kernel/Task.cpp
+++ b/Kernel/Task.cpp
@@ -339,7 +339,7 @@ uint TaskScheduler::ExecuteForWait(uint msMax, bool& cancel)
 	auto ms		= (int)msMax;
 
 	// 如果休眠时间足够长，允许多次调度其它任务
-	while(ms > 0)
+	while(ms > 0 && !cancel)
 	{
 		Execute(ms, cancel);