init() {
				
				this.tcp = wx.createTCPSocket()
				console.log(this.tcp);
				this.tcp.connect({address: "192.168.4.1", port: 4758})
				let wifiInfo = {
					wifiName: 'cokop_5g',
					wifiPwd: 'cokop.com'
				}
				
				this.tcp.onConnect(function(res){
					console.log('连接成功');
					console.log(res);
				})
				
				this.tcp.onError(function(res){
					console.log('发生错误');
					console.log(res);
				})
				
				let data = `cmdkiss:${wifiInfo.wifiName}\\&\\&${wifiInfo.wifiPwd}`
				this.tcp.write(data)
				
				this.tcp.onMessage(function(res){
					console.log(res);
				})
				
			},

返回的错误信息

 errCode: -2, errMsg: "connect socke...

errCode: -2

errMsg: "connect socket fail: errno:4 errmsg:Interrupted system call"

errNum: 4