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app/Http/Controllers/admin/Menu.php

@@ -152,13 +152,14 @@ class Menu extends Controller
         $result = MenuService::findAll($search);
         $result = $result->toArray();
         $result = list_to_tree($result);
-        $result = $this->treeToList($result);
-
+        $newArr = [];
+        $this->treeToList($result,$newArr);
+        $result = $newArr;
         return $this->success($result);
     }
 
 
-    private function treeToList($result, $newArr = [])
+    private function treeToList($result, &$newArr = [])
     {
         foreach ($result as $item) {
             $data = $item;
@@ -168,7 +169,6 @@ class Menu extends Controller
                 $this->treeToList($item['children'], $newArr);
             }
         }
-        return $newArr;
     }