测试：-CP空间的时间有问题，经验值达到最高级时，会出现 负 当前所有经验(65)

application/api/model/UserCp.php

@@ -328,6 +328,9 @@ class UserCp extends Model
             //升下一级所需经验值
             $next_level_exp = Db::name('user_cp_level')->where(['level' => ['>',$res['level']]])->order('level asc')->value('change_value');
             $res['next_level_exp'] = $next_level_exp - $res['exp'];
+            if($res['next_level_exp'] < 0){
+                $res['next_level_exp'] = 0;
+            }
             $res['pendant'] = model('api/Decorate')->user_decorate_detail($user_id, 11);//挂件(装扮）
             //送礼记录
             $res['gift_log'] = Db::name('user_cp_gift_log')->where(['cp_zone_id' => $res['id']])->order('id desc')->page($page,$page_limit)->select();