1、当作品描述为空时，打开作品报错

2、作品名称为空时，默认显示作品名为：XX的作品

app/views/student_work/_evaluation_student_work.html.erb

@@ -9,7 +9,8 @@
     <%= link_to student_work.user.show_name,user_path(student_work.user),:title => student_work.user.show_name, :class => "c_blue02"%>
   </li>
   <li class=" hwork_tit">
-    <%= link_to student_work.name, student_work_path(student_work.id),:remote => true,:title => student_work.name, :class => "c_blue02"%>
+    <% student_work_name = student_work.name.nil? || student_work.name.empty? ? student_work.user.show_name + '的作品' : student_work.name%>
+    <%= link_to student_work_name, student_work_path(student_work.id),:remote => true,:title => student_work.name, :class => "c_blue02"%>
   </li>
   <li class=" hwork_time_c">
     <% if Time.parse(@homework.end_time.to_s).strftime("%Y-%m-%d") < Time.parse(student_work.created_at.to_s).strftime("%Y-%m-%d") %>

app/views/student_work/_evaluation_work.html.erb

@@ -18,7 +18,8 @@
     <% end%>
   </li>
   <li class=" hwork_tit_e" style="width: 410px">
-    <%= link_to student_work.name, student_work_path(student_work),:remote => true, :title => student_work.name, :class => "c_blue02"%>
+    <% student_work_name = student_work.name.nil? || student_work.name.empty? ? '匿名的作品' : student_work.name%>
+    <%= link_to student_work_name, student_work_path(student_work),:remote => true, :title => student_work.name, :class => "c_blue02"%>
   </li>
   <% my_score = student_work_score(student_work,User.current) %>
   <li class=" hwork_code <%= my_score.nil? ? 'c_grey' : 'c_red'%>">

app/views/student_work/_show.html.erb

@@ -36,7 +36,7 @@
   <li >
     <span class="tit_fb ">内容：</span>
     <div class="show_hwork_p break_word">
-      <%= text_format @work.description%>
+      <%= text_format(@work.description) if @work.description%>
     </div>
     <div class="cl"></div>
   </li>

app/views/student_work/_student_work.html.erb

@@ -9,7 +9,8 @@
     <%= link_to student_work.user.show_name,user_path(student_work.user),:title => student_work.user.show_name, :class => "c_blue02"%>
   </li>
   <li class=" hwork_tit_une">
-    <%= link_to student_work.name, student_work_path(student_work),:remote => true,:title => student_work.name, :class => "c_blue02"%>
+    <% student_work_name = student_work.name.nil? || student_work.name.empty? ? student_work.user.show_name + '的作品' : student_work.name%>
+    <%= 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).strftime("%Y-%m-%d") < Time.parse(student_work.created_at.to_s).strftime("%Y-%m-%d") %>