diff --git a/im/wxmp/init.go b/im/wxmp/init.go
index de3f70a..a86a4e1 100644
--- a/im/wxmp/init.go
+++ b/im/wxmp/init.go
@@ -39,6 +39,7 @@ func init() {
 				sender.uid = int(time.Now().UnixNano())
 				u2i.Set(msg.FromUserName, sender.uid)
 			}
+			core.Senders <- sender
 			end := <-sender.Wait
 			fmt.Println(end)
 			if end == "" {