diff --git a/app/Service/v3/Implementations/ServiceEvaluateService.php b/app/Service/v3/Implementations/ServiceEvaluateService.php
index aa4a093..d7c7724 100644
--- a/app/Service/v3/Implementations/ServiceEvaluateService.php
+++ b/app/Service/v3/Implementations/ServiceEvaluateService.php
@@ -14,7 +14,7 @@ class ServiceEvaluateService implements ServiceEvaluateServiceInterface
     public function evaluate($data)
     {
         // 当前用户是否今日新注册并第一次提交评论
-        $data['user_created_at'] = User::where(['id' => $data['user_id']])->value('created_at');
+        $data['user_created_at'] = strtotime(User::where(['id' => $data['user_id']])->value('created_at'));
         $evaluateExist = ServiceEvaluate::where(['user_id' => $data['user_id']])->exists();
 
         $data['is_new_user'] = 0;