退出前会主动断开一下ws连接

WAIT放到网络相关TASK函数内部（会在第一帧触发，不影响）
可以从语言文件翻译服务器的错误消息并显示了
框架跟进

parts/scenes/error.lua

@@ -9,7 +9,7 @@ function scene.sceneInit()
     sysAndScn=SYSTEM.."-"..VERSION.string.."       scene:"..Z.getErr('#').scene
     errorText=LOADED and text.errorMsg or "An error has occurred while the game was loading.\nAn error log has been created so you can send it to the author."
     errorShot,errorInfo=Z.getErr('#').shot,Z.getErr('#').mes
-    NET.closeWS()
+    NET.ws.close()
     if SETTING then
         SFX.fplay('error',SETTING.voc*.8 or 0)
     end