diff --git a/Makefile b/Makefile
index d727dc2cfe6d7..62b11ce282b7c 100644
--- a/Makefile
+++ b/Makefile
@@ -111,6 +111,11 @@ build-cpp-with-unittest:
 # Run the tests.
 unittest: test-cpp test-go
 
+test-proxy:
+	@echo "Running go unittests..."
+	go test -race -coverpkg=./... -coverprofile=profile.out -covermode=atomic -timeout 5m github.com/milvus-io/milvus/internal/proxy -v
+
+
 test-go: build-cpp-with-unittest
 	@echo "Running go unittests..."
 	@(env bash $(PWD)/scripts/run_go_codecov.sh)
diff --git a/internal/querycoord/task.go b/internal/querycoord/task.go
index ff552abe41629..fdc7354d16bef 100644
--- a/internal/querycoord/task.go
+++ b/internal/querycoord/task.go
@@ -1356,7 +1356,7 @@ func (wqt *watchQueryChannelTask) execute(ctx context.Context) error {
 
 	err := wqt.cluster.addQueryChannel(wqt.ctx, wqt.NodeID, wqt.AddQueryChannelRequest)
 	if err != nil {
-		log.Warn("watchQueryChannelTask: watchQueryChannel occur error", zap.Int64("taskID", wqt.getTaskID()))
+		log.Warn("watchQueryChannelTask: watchQueryChannel occur error", zap.Int64("taskID", wqt.getTaskID()), zap.Error(err))
 		wqt.setResultInfo(err)
 		return err
 	}
diff --git a/internal/querynode/collection_replica.go b/internal/querynode/collection_replica.go
index 61dbee869863e..d214bf6fa32d8 100644
--- a/internal/querynode/collection_replica.go
+++ b/internal/querynode/collection_replica.go
@@ -182,7 +182,7 @@ func (colReplica *collectionReplica) getCollectionByID(collectionID UniqueID) (*
 func (colReplica *collectionReplica) getCollectionByIDPrivate(collectionID UniqueID) (*Collection, error) {
 	collection, ok := colReplica.collections[collectionID]
 	if !ok {
-		return nil, errors.New("collection hasn't been loaded or has been released, collection id = %d" + strconv.FormatInt(collectionID, 10))
+		return nil, errors.New("collection hasn't been loaded or has been released, collection id =" + strconv.FormatInt(collectionID, 10))
 	}
 
 	return collection, nil