diff --git a/Source/IO/AuIOPipeProcessor.cpp b/Source/IO/AuIOPipeProcessor.cpp
index d79a33b9..df61fd5b 100644
--- a/Source/IO/AuIOPipeProcessor.cpp
+++ b/Source/IO/AuIOPipeProcessor.cpp
@@ -164,6 +164,11 @@ namespace Aurora::IO
 
     bool IOPipeWork::End()
     {
+        if (!this->iStartTickMS_)
+        {
+            return true;
+        }
+        
         if (this->parent_->parent_->CheckThread())
         {
             TerminateOnThread();
diff --git a/Source/IO/AuIOWaitableIOLoopSource.cpp b/Source/IO/AuIOWaitableIOLoopSource.cpp
index 0c808e71..dadd6b33 100644
--- a/Source/IO/AuIOWaitableIOLoopSource.cpp
+++ b/Source/IO/AuIOWaitableIOLoopSource.cpp
@@ -78,13 +78,15 @@ namespace Aurora::IO
         return this->dwIoTimeoutMS;
     }
 
-    AUKN_SYM AuSPtr<IIOWatachableIOLoopSource> NewWaitableLoopSource(const AuSPtr<Loop::ILoopSource>&pSource)
+    AUKN_SYM AuSPtr<IIOWatachableIOLoopSource> NewWaitableLoopSource(const AuSPtr<Loop::ILoopSource> &pSource)
     {
+        SysCheckArgNotNull(pSource, {});
         SysCheckRetExpNotNullMemory(AuMakeShared<IOWatachableIOLoopSource>(pSource), {});
     }
 
-    AUKN_SYM AuSPtr<IIOWatachableIOLoopSource> NewWaitableLoopSourceEx(const AuSPtr<Loop::ILoopSource>&pSource, AuUInt32 dwIoTimeoutMS)
+    AUKN_SYM AuSPtr<IIOWatachableIOLoopSource> NewWaitableLoopSourceEx(const AuSPtr<Loop::ILoopSource> &pSource, AuUInt32 dwIoTimeoutMS)
     {
+        SysCheckArgNotNull(pSource, {});
         SysCheckRetExpNotNullMemory(AuMakeShared<IOWatachableIOLoopSource>(pSource, dwIoTimeoutMS), {});
     }
 }
\ No newline at end of file