diff --git a/dbs/mongo/mongo.go b/dbs/mongo/mongo.go
index d218e02..d9dcba9 100644
--- a/dbs/mongo/mongo.go
+++ b/dbs/mongo/mongo.go
@@ -246,7 +246,7 @@ func (m *MongoDB) Search(search string, filter []string, collection_name string)
 	targetDBCollection := CollectionMap[collection_name]
 	list := []bson.M{}
 	for _, k := range filter {
-		list = append(list, bson.M{k: bson.M{"$regex": search, "$options": 'i'}})
+		list = append(list, bson.M{k: bson.M{"$regex": search, "$options": "i"}})
 	}
 	MngoCtx, cancel = context.WithTimeout(context.Background(), 10*time.Second)
 	defer cancel()
@@ -254,8 +254,8 @@ func (m *MongoDB) Search(search string, filter []string, collection_name string)
 	if cursor, err := targetDBCollection.Find(
 		MngoCtx,
 		bson.M{"$or": []bson.M{
-			{"name": bson.M{"$regex": search, "$options": 'i'}},
-			{"description": bson.M{"$regex": search, "$options": 'i'}},
+			{"name": bson.M{"$regex": search, "$options": "i"}},
+			{"description": bson.M{"$regex": search, "$options": "i"}},
 		}},
 		opts,
 	); err != nil {
diff --git a/models/workflow_execution/workflow_execution.go b/models/workflow_execution/workflow_execution.go
index 1009c78..3598d51 100644
--- a/models/workflow_execution/workflow_execution.go
+++ b/models/workflow_execution/workflow_execution.go
@@ -59,7 +59,7 @@ func (d *WorkflowExecution) GetName() string {
 
 func (d *WorkflowExecution) GetAccessor() utils.Accessor {
 	data := &WorkflowExecutionMongoAccessor{}
-	data.SetLogger(utils.WORKFLOW)
+	data.SetLogger(utils.WORKFLOW_EXECUTION)
 	return data
 }