删除修改

app-ghs/controllers/ModifyController.php

@@ -48,6 +48,12 @@ class ModifyController extends BaseController
         if (!empty($data)) {
             $arr = json_decode($data, true);
             if (!empty($arr)) {
+                $list = ModifyClass::getAllByCondition(['mainId' => $this->mainId], 'addTime asc', '*', null, true);
+                if (count($list) >= 15) {
+                    if ($list[0]) {
+                        $list[0]->delete();
+                    }
+                }
                 $mData = [
                     'name' => $modifyName,
                     'mainId' => $this->mainId,