diff --git a/pkg/base_info/group_api_struct.go b/pkg/base_info/group_api_struct.go
index 69c124561..75248bc20 100644
--- a/pkg/base_info/group_api_struct.go
+++ b/pkg/base_info/group_api_struct.go
@@ -28,8 +28,8 @@ type GetGroupMembersInfoReq struct {
 }
 type GetGroupMembersInfoResp struct {
 	CommResp
-	MemberList []*open_im_sdk.GroupMemberFullInfo
-	Data       []map[string]interface{} `json:"data"`
+	MemberList []*open_im_sdk.GroupMemberFullInfo `json:"-"`
+	Data       []map[string]interface{}           `json:"data"`
 }
 
 type InviteUserToGroupReq struct {