禁用匿评的作业点击评分设置时不应出现缺评扣分的选项

app/controllers/student_work_controller.rb

@@ -775,7 +775,7 @@ class StudentWorkController < ApplicationController
       @homework.save
     end
 
-    unless homework_detail_manual.absence_penalty.to_s == params[:absence_penalty].to_s
+    if params[:absence_penalty] && homework_detail_manual.absence_penalty.to_s != params[:absence_penalty].to_s
       homework_detail_manual.absence_penalty = params[:absence_penalty]
       if homework_detail_manual.comment_status == 3 #当前作业处于匿评结束状态，修改缺评扣分才会修改每个作品应扣分的值
         work_ids = "(" + @homework.student_works.map(&:id).join(",") + ")"

app/views/student_work/_set_score_rule_detail.html.erb

@@ -4,10 +4,12 @@
     <span class="f14 fontGrey3 mr10">迟交扣分</span>
     <input type="text" name="late_penalty" id="late_penalty_num" placeholder="请输入0-50数值" class=" markInput"  value="<%= homework.late_penalty%>" onkeyup="check_late_penalty('late_penalty_num')"/>
   </div>
-  <div>
-    <span class="f14 fontGrey3 mr10">缺评扣分</span>
-    <input type="text" name="absence_penalty" id="absence_penalty_num" placeholder="请输入0-50数值" class="markInput" value="<%= homework.homework_detail_manual.absence_penalty%>" onkeyup="check_late_penalty('absence_penalty_num')"/>
-  </div>
+  <% if homework.anonymous_comment == 0 %>
+      <div>
+        <span class="f14 fontGrey3 mr10">缺评扣分</span>
+        <input type="text" name="absence_penalty" id="absence_penalty_num" placeholder="请输入0-50数值" class="markInput" value="<%= homework.homework_detail_manual.absence_penalty%>" onkeyup="check_late_penalty('absence_penalty_num')"/>
+      </div>
+  <% end %>
 
   <% if homework.homework_type == 2%>
       <div>