fix

line.go

@@ -95,19 +95,6 @@ func (c *Line) getPingID() uint16 {
 	return c.pingID
 }
 
-// 设置频道名
-func (c *Line) SetChannelName(name string) {
-	if strings.Contains(name, "@") {
-		c.channel = name
-	} else {
-		if inx := strings.Index(c.channel, "@"); inx >= 0 {
-			c.channel = name + c.channel[inx:]
-		} else {
-			c.channel = name + "@" + c.channel
-		}
-	}
-}
-
 // 读信息循环通道，采用新线程
 func (c *Line) readPump() {
 	for {