diff --git a/structs/storage/article.go b/structs/storage/article.go
index b2eeaee..31a9f58 100644
--- a/structs/storage/article.go
+++ b/structs/storage/article.go
@@ -111,8 +111,10 @@ func (f *FindArticleQuery) Scope(db *gorm.DB) *gorm.DB {
 	if f.Available != nil {
 		db = db.Where("available=?", *f.Available)
 	}
-	if f.RateSort != "" {
-		db = db.Order("rate " + f.RateSort)
+	if f.RateSort == "descend" {
+		db = db.Order("rate desc")
+	} else if f.RateSort == "ascend" {
+		db = db.Order("rate asc")
 	}
 	return db
 }