diff --git a/app/views/student_work/_evaluation_un_work.html.erb b/app/views/student_work/_evaluation_un_work.html.erb
index 0a4ab044a..bf022f64c 100644
--- a/app/views/student_work/_evaluation_un_work.html.erb
+++ b/app/views/student_work/_evaluation_un_work.html.erb
@@ -74,7 +74,7 @@
   <!-- 成绩 -->
   <% score = student_work.respond_to?("score") ? student_work.score : (student_work.final_score || 0) - student_work.absence_penalty - student_work.late_penalty%>
   <li class="hworkList50 <%= score_color score%> student_final_scor_info">
-    <%= score.nil? ? "--" : format("%.1f",score)%>
+    <%= score.nil? ? "--" : format("%.1f",score<0 ? 0 : score)%>
     <% unless score.nil?%>
         <div class="infoNi none width180">
           作品最终评分为