diff --git a/app/views/student_work/_student_work.html.erb b/app/views/student_work/_student_work.html.erb
index abbd134b0..cd60ef024 100644
--- a/app/views/student_work/_student_work.html.erb
+++ b/app/views/student_work/_student_work.html.erb
@@ -12,7 +12,7 @@
     <%= link_to student_work.name, student_work_path(student_work),:remote => true,:title => student_work.name, :class => "c_blue02"%>
   </li>
   <li class=" hwork_time_c">
-    <% if Time.parse(@homework.end_time.to_s) < Time.parse(student_work.created_at.to_s) %>
+    <% if Time.parse(@homework.end_time.to_s).strftime("%Y-%m-%d") < Time.parse(student_work.created_at.to_s).strftime("%Y-%m-%d") %>
         <span class="c_red">迟交</span>
     <% else%>
         <%= student_work.created_at.strftime("%m-%d").to_s%>