diff --git a/conn.go b/conn.go
index fb5becb..1a1493b 100644
--- a/conn.go
+++ b/conn.go
@@ -52,7 +52,7 @@ func Conn(group string, resolver []string) {
 func SendMsg(ctx context.Context, topic, tag string, message []byte) (*primitive.SendResult, error) {
 
 	if MqPool == nil {
-		return &res, errors.New("Mq未链接")
+		return nil, errors.New("Mq未链接")
 	}
 	msg := primitive.NewMessage(topic, message)
 	msg.WithTag(tag)