错误信息如下：

系统: {“language”:“zh_CN”,“wifiEnabled”:true,“bluetoothEnabled”:false,“deviceOrientation”:“portrait”,“locationAuthorized”:true,“notificationSoundAuthorized”:true,“screenHeight”:667,“windowHeight”:667,“system”:“iOS 12.1.4”,“version”:“7.0.3”,“fontSizeSetting”:17,“notificationAuthorized”:true,“statusBarHeight”:20,“windowWidth”:375,“pixelRatio”:2,“notificationBadgeAuthorized”:true,“model”:“iPhone 7<iPhone9,1>”,“batteryLevel”:63,“screenWidth”:375,“locationEnabled”:true,“microphoneAuthorized”:true,“cameraAuthorized”:true,“albumAuthorized”:true,“notificationAlertAuthorized”:true,“brand”:“iPhone”,“platform”:“ios”,“SDKVersion”:“2.6.1”}

当前socket的readyState = 3

错误信息: {“errMsg”:“Error writing to stream.”}