diff --git a/app/api/logic/BusinessSchoolLogic.php b/app/api/logic/BusinessSchoolLogic.php
index b5f6293a..d3dbe2df 100644
--- a/app/api/logic/BusinessSchoolLogic.php
+++ b/app/api/logic/BusinessSchoolLogic.php
@@ -11,13 +11,11 @@ class BusinessSchoolLogic extends Logic
     public static function category()
     {
         try {
-            $model = new BusinessSchoolCategory();
-            return $model->field(['id', 'name'])
+            return BusinessSchoolCategory::field(['id', 'name'])
                 ->where([
                     ['del', '=', 0],
                     ['is_show', '=', 1]
-                ])->order('order asc')->select()->toArray();
-
+                ])->order('sort asc')->select()->toArray();
         } catch (\Exception $e) {
             return ['error'=>$e->getMessage()];
         }