diff --git a/api/graphql.go b/api/graphql.go
index 27c8314..7c697bc 100644
--- a/api/graphql.go
+++ b/api/graphql.go
@@ -193,7 +193,7 @@ func NewSchema(config Config) (graphql.Schema, error) {
 				},
 			}),
 			Args: graphql.FieldConfigArgument{
-				"preference":    &graphql.ArgumentConfig{Type: graphql.Int, Description: "按照指定用户ID的偏好推荐图像"},
+				"preference":    &graphql.ArgumentConfig{Type: graphql.String, Description: "使用浏览记录获取的偏好推荐图像"},
 				"similar":       &graphql.ArgumentConfig{Type: graphql.Int, Description: "获取与指定ID图像相似的图像"},
 				"id":            &graphql.ArgumentConfig{Type: graphql.Int, Description: "获取指定ID的图像"},
 				"width":         &graphql.ArgumentConfig{Type: graphql.Int, Description: "筛选图像中指定宽度的"},
@@ -224,8 +224,8 @@ func NewSchema(config Config) (graphql.Schema, error) {
 					After      string
 					Before     string
 					Text       string
+					Preference string
 					Similar    int
-					Preference int
 				}
 				mapstructure.Decode(p.Args, &args)
 
@@ -259,7 +259,10 @@ func NewSchema(config Config) (graphql.Schema, error) {
 				var id_list []string
 
 				// 特殊处理 preference 参数
-				if args.Preference != 0 {
+				if args.Preference != "" {
+					// 去除空格并拆分以逗号分割的ID
+					id_list = strings.Split(strings.ReplaceAll(args.Preference, " ", ""), ",")
+					// 使用这一组 id 推荐
 					fmt.Println("preference:", args.Preference)
 				}