Merge branch 'dev/v1.2.7_dx' of moapp/MessageCenter into feature/v1.2.7

api/internal/logic/messagedetaillogic.go

@@ -50,5 +50,5 @@ func (l *MessageDetailLogic) MessageDetail(req types.MessageDetailReq) (*types.M
 	result.Code = resp.Code
 	result.Message = resp.Message
 	result.Data = mess
-	return nil, nil
+	return result, nil
 }