[ 增加]增加了PS事件注销函数，仍不能休眠

src/app.c

@@ -1075,6 +1075,7 @@ static void Tcp_Task(void* arg)
             {
                 slpManPlatVoteEnableSleep(TcpSlpHandler, SLP_SLP2_STATE); 
                 closesocket(sockfd);
+                deregisterPSEventCallback(socketRegisterPSUrcCallback);//注销NB网络事件函数
                 while(1)
                 {
                     osDelay(30000/portTICK_PERIOD_MS);