diff --git a/internal/api/group/group.go b/internal/api/group/group.go
index 41f794818..bcf850e0a 100644
--- a/internal/api/group/group.go
+++ b/internal/api/group/group.go
@@ -1295,8 +1295,6 @@ func GetGroupAbstractInfo(c *gin.Context) {
 		trace_log.WriteErrorResponse(nCtx, "GetGroupAbstractInfo", utils.Wrap(err, ""))
 		return
 	}
-	resp.ErrMsg = respPb.CommonResp.ErrMsg
-	resp.ErrCode = respPb.CommonResp.ErrCode
 	resp.GroupMemberNumber = respPb.GroupMemberNumber
 	resp.GroupMemberListHash = respPb.GroupMemberListHash
 	log.NewInfo(req.OperationID, utils.GetSelfFuncName(), " api return ", resp)
diff --git a/pkg/common/db/rocks_cache/rocks_cache.go b/pkg/common/db/rocks_cache/rocks_cache.go
index d27f4490e..8bfe2a2f8 100644
--- a/pkg/common/db/rocks_cache/rocks_cache.go
+++ b/pkg/common/db/rocks_cache/rocks_cache.go
@@ -366,6 +366,7 @@ func GetGroupInfoFromCache(ctx context.Context, groupID string) (groupInfo *imdb
 		}
 		return string(bytes), nil
 	}
+	groupInfo = &imdb.Group{}
 	defer func() {
 		trace_log.SetContextInfo(ctx, utils.GetFuncName(1), err, "groupID", groupID, "groupInfo", groupInfo)
 	}()