diff --git a/client/client.go b/client/client.go
index 84d04b4e..ba3568a8 100644
--- a/client/client.go
+++ b/client/client.go
@@ -890,11 +890,6 @@ func (c *QQClient) sendAndWait(seq uint16, pkt []byte, params ...requestParams)
 		Error    error
 	}
 
-	err := c.send(pkt)
-	if err != nil {
-		return nil, err
-	}
-
 	ch := make(chan T)
 	defer close(ch)
 
@@ -912,6 +907,12 @@ func (c *QQClient) sendAndWait(seq uint16, pkt []byte, params ...requestParams)
 		}
 	}, params: p})
 
+	err := c.send(pkt)
+	if err != nil {
+		c.handlers.Delete(seq)
+		return nil, err
+	}
+
 	retry := 0
 	for {
 		select {