diff --git a/models/mysql.go b/models/mysql.go
index 5695ea9..4585ac7 100644
--- a/models/mysql.go
+++ b/models/mysql.go
@@ -105,11 +105,11 @@ func QueryUserList(id_list []int) (users []User) {
 	}
 	defer rows.Close()
 	for rows.Next() {
-		var user User
-		rows.Scan(&user.Id, &user.UserName, &user.Avatar, &user.UpdateTime, &user.CreateTime)
-		user.UpdateTime = user.UpdateTime.UTC()
-		user.CreateTime = user.CreateTime.UTC()
-		users = append(users, user)
+		var u User
+		rows.Scan(&u.Id, &u.UserName, &u.Avatar, &u.UpdateTime, &u.CreateTime)
+		u.UpdateTime = u.UpdateTime.UTC()
+		u.CreateTime = u.CreateTime.UTC()
+		users = append(users, u)
 	}
 	return
 }
@@ -137,11 +137,11 @@ func QueryArticleList(id_list []int) (articles []Article) {
 	}
 	defer rows.Close()
 	for rows.Next() {
-		var article Article
-		rows.Scan(&article.Id, &article.Title, &article.Tags, &article.UpdateTime, &article.CreateTime)
-		article.UpdateTime = article.UpdateTime.UTC()
-		article.CreateTime = article.CreateTime.UTC()
-		articles = append(articles, article)
+		var a Article
+		rows.Scan(&a.Id, &a.Title, &a.Tags, &a.UpdateTime, &a.CreateTime)
+		a.UpdateTime = a.UpdateTime.UTC()
+		a.CreateTime = a.CreateTime.UTC()
+		articles = append(articles, a)
 	}
 	return
 }