fix bug

server/client.go

@@ -69,7 +69,7 @@ func (c *Client) SendLoop() {
 					glog.Error("接收指令超时")
 					break
 				default:
-					receiveBuf, err := c.conn.Recv(-1)
+					receiveBuf, err := c.conn.Recv(0)
 					if err != nil {
 						c.readError(err)
 						break