2024/7/16 13:28:22---------------------------Exception Start------------------------------
已关闭 Safe handle   在 System.StubHelpers.StubHelpers.SafeHandleC2NHelper(Object pThis, IntPtr pCleanupWorkList)
   在 Microsoft.Win32.UnsafeNativeMethods.WaitCommEvent(SafeFileHandle hFile, Int32* lpEvtMask, NativeOverlapped* lpOverlapped)
   在 System.IO.Ports.SerialStream.EventLoopRunner.WaitForCommEvent()
   在 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   在 System.Threading.ThreadHelper.ThreadStart()
---------------------------Exception End-------------------------------
