fix bug

server/client.go

@@ -124,7 +124,6 @@ func (c *Client) closeConnection() {
 	_ = c.conn.Close()
 	c.conn = nil
 	close(c.closeChan)
-	c.SetId("")
 	c.isReg = false
 	if c.closeHandler != nil {
 		c.closeHandler(c.Id, c)
@@ -226,9 +225,6 @@ func (c *Client) SendGetAddress() error {
 				if !c.isReg {
 					c.SetId(gbinary.DecodeToString(receiveBuf))
 					c.isReg = true
-					if c.regHandler != nil {
-						c.regHandler(c.Id, c)
-					}
 					break
 				}
 				_, err = c.srv.message.Decode(c.packetContext, receiveBuf)
@@ -237,6 +233,9 @@ func (c *Client) SendGetAddress() error {
 					return err
 				}
 				c.SetId(c.packetContext.GetDeviceId())
+				if c.regHandler != nil {
+					c.regHandler(c.Id, c)
+				}
 				return nil
 			}
 		}