add

app/models/user/Achievement.php

@@ -16,7 +16,7 @@ class Achievement extends BaseModel
         foreach ($group_award as $key => $row) {
             $award[$key] = $row['award'];
         }
-        array_multisort($group_award, $award, SORT_DESC);
+        array_multisort($award, SORT_DESC, $group_award);
         var_dump($group_award);
         exit;
         foreach ($uids as $v) {