两端 toml 都配置了 user 名称，stcp和xtcp无法使用 about frp HOT 1 CLOSED

func (c *VisitorBaseConfig) Complete(g *ClientCommonConfig) {
	if c.BindAddr == "" {
		c.BindAddr = "127.0.0.1"
	}
	namePrefix := ""
	if g.User != "" {
		namePrefix = g.User + "."
	}
	c.Name = namePrefix + c.Name

  //  核心代码
	if c.ServerUser != "" {
		c.ServerName = c.ServerUser + "." + c.ServerName
	} else {
		c.ServerName = namePrefix + c.ServerName
	}
}