diff --git a/internal/service/vote_service.go b/internal/service/vote_service.go
index 54fd432c..bccf9c48 100644
--- a/internal/service/vote_service.go
+++ b/internal/service/vote_service.go
@@ -124,6 +124,9 @@ func (vs *VoteService) VoteDown(ctx context.Context, req *schema.VoteReq) (resp
 	voteDownOperationInfo := vs.createVoteOperationInfo(ctx, req.UserID, false, objectInfo)
 	if req.IsCancel {
 		err = vs.voteRepo.CancelVote(ctx, voteDownOperationInfo)
+		if err != nil {
+			return nil, err
+		}
 	} else {
 		// cancel vote up if exist
 		err = vs.voteRepo.CancelVote(ctx, vs.createVoteOperationInfo(ctx, req.UserID, true, objectInfo))
@@ -131,6 +134,9 @@ func (vs *VoteService) VoteDown(ctx context.Context, req *schema.VoteReq) (resp
 			return nil, err
 		}
 		err = vs.voteRepo.Vote(ctx, voteDownOperationInfo)
+		if err != nil {
+			return nil, err
+		}
 	}
 
 	resp = &schema.VoteResp{}
diff --git a/script/plugin_list b/script/plugin_list
index a7cfc670..b3ea84c2 100644
--- a/script/plugin_list
+++ b/script/plugin_list
@@ -1 +1 @@
-github.com/answerdev/plugins/connector/basic@latest
\ No newline at end of file
+github.com/answerdev/answer-basic-connector@latest
\ No newline at end of file