From 732fcaa466a379c39abde30e1195dbdb604c9006 Mon Sep 17 00:00:00 2001
From: cxt <853663049@qq.com>
Date: Fri, 28 Jun 2019 14:20:48 +0800
Subject: [PATCH] =?UTF-8?q?=E8=B0=83=E6=95=B4?=
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---
 lib/tasks/homework_evaluation.rake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/tasks/homework_evaluation.rake b/lib/tasks/homework_evaluation.rake
index 35d075398..56c46179c 100644
--- a/lib/tasks/homework_evaluation.rake
+++ b/lib/tasks/homework_evaluation.rake
@@ -24,7 +24,7 @@ namespace :homework_evaluation do
             student_works = homework_common.student_works.has_committed
           end
 
-          if student_works.count >= 2
+          if student_works.present? && student_works.length >= 2
             HomeworkEvaluationCommentAssginJob.perform_later(homework_common.id)
 
             homework_detail_manual.update_column('comment_status', 3)