!463 有权重字段时，模型添加数据后会自动用ID替换，导致添加时设置的权重值无法保存

Merge pull request !463 from simon429/develop

application/admin/command/Crud/stubs/mixins/modelinit.stub

@@ -2,7 +2,9 @@
     protected static function init()
     {
         self::afterInsert(function ($row) {
+            if (!$row['{%order%}']) {
                 $pk = $row->getPk();
                 $row->getQuery()->where($pk, $row[$pk])->update(['{%order%}' => $row[$pk]]);
+            }
         });
     }

application/admin/model/UserRule.php

@@ -23,8 +23,10 @@ class UserRule extends Model
     protected static function init()
     {
         self::afterInsert(function ($row) {
+            if (!$row['weigh']) {
                 $pk = $row->getPk();
                 $row->getQuery()->where($pk, $row[$pk])->update(['weigh' => $row[$pk]]);
+            }
         });
     }
 

application/common/model/Category.php

@@ -24,7 +24,9 @@ class Category extends Model
     protected static function init()
     {
         self::afterInsert(function ($row) {
+            if (!$row['weigh']) {
                 $row->save(['weigh' => $row['id']]);
+            }
         });
     }