diff --git a/client/builders.go b/client/builders.go
index b0a476cc..06cc5e43 100644
--- a/client/builders.go
+++ b/client/builders.go
@@ -252,12 +252,12 @@ func (c *QQClient) buildFriendGroupListRequestPacket(friendStartIndex, friendLis
 }
 
 // friendlist.GetTroopListReqV2
-func (c *QQClient) buildGroupListRequestPacket() (uint16, []byte) {
+func (c *QQClient) buildGroupListRequestPacket(vecCookie []byte) (uint16, []byte) {
 	seq := c.nextSeq()
 	req := &jce.TroopListRequest{
 		Uin:              c.Uin,
 		GetMSFMsgFlag:    1,
-		Cookies:          []byte{},
+		Cookies:          vecCookie,
 		GroupInfo:        []int64{},
 		GroupFlagExt:     1,
 		Version:          7,
diff --git a/client/client.go b/client/client.go
index fb806935..8ee00416 100644
--- a/client/client.go
+++ b/client/client.go
@@ -653,7 +653,7 @@ func (c *QQClient) ReloadGroupList() error {
 }
 
 func (c *QQClient) GetGroupList() ([]*GroupInfo, error) {
-	rsp, err := c.sendAndWait(c.buildGroupListRequestPacket())
+	rsp, err := c.sendAndWait(c.buildGroupListRequestPacket(EmptyBytes))
 	if err != nil {
 		return nil, err
 	}
diff --git a/client/decoders.go b/client/decoders.go
index b1a0103a..5e9f759e 100644
--- a/client/decoders.go
+++ b/client/decoders.go
@@ -333,7 +333,9 @@ func decodeGroupListResponse(c *QQClient, _ uint16, payload []byte) (interface{}
 	data := &jce.RequestDataVersion3{}
 	data.ReadFrom(jce.NewJceReader(request.SBuffer))
 	r := jce.NewJceReader(data.Map["GetTroopListRespV2"][1:])
+	vecCookie := []byte{}
 	groups := []jce.TroopNumber{}
+	r.ReadSlice(&vecCookie, 4)
 	r.ReadSlice(&groups, 5)
 	var l []*GroupInfo
 	for _, g := range groups {
@@ -348,6 +350,13 @@ func decodeGroupListResponse(c *QQClient, _ uint16, payload []byte) (interface{}
 			client:         c,
 		})
 	}
+	if len(vecCookie) > 0 {
+		rsp, err := c.sendAndWait(c.buildGroupListRequestPacket(vecCookie))
+		if err != nil {
+			return nil, err
+		}
+		l = append(l, rsp.([]*GroupInfo)...)
+	}
 	return l, nil
 }