refactor(notification): 时间字段类型错误

src/Entity/NotificationEntity.php

@@ -21,10 +21,10 @@ class NotificationEntity extends Model
         'content'     => 'string',
         'type'        => 'int',
         'is_read'     => 'int',
-        'read_time'   => 'int',
+/*        'read_time'   => 'int',
         'create_time' => 'int',
         'update_time' => 'int',
-        'delete_time' => 'int',
+        'delete_time' => 'int',*/
     ];
     
     // 自动时间戳