diff --git a/app/views/bids/_homework_form.html.erb b/app/views/bids/_homework_form.html.erb
index 12393c558..ffe0fc1b9 100644
--- a/app/views/bids/_homework_form.html.erb
+++ b/app/views/bids/_homework_form.html.erb
@@ -43,13 +43,13 @@
 <p style="display: none">
   <%= f.select :proportion, proportion_option %>
 </p>
-<p>
+<p id="open_anonymous_evaluation_p">
   <%= f.check_box :open_anonymous_evaluation, :style => "margin-left:10px;" %>
-  <span>未开启匿评作业将直接进入众评点赞阶段</span>
+  <span id='open_anonymous_evaluation_span' style="display: none">未开启匿评作业将直接进入众评点赞阶段</span>
 </p>
 <p id="evaluation_num_p">
   <%= f.text_field :evaluation_num, :required => true, :size => 60, :style => "width:150px;", :onblur => "regexEvaluationNum();" , :maxlength => 4%>
-  <span id="bid_evaluation_num_span">匿评分配数量不宜太大，否则会影响开启匿评速度</span>
+  <span id="bid_evaluation_num_span">即每份作业被允许匿评的人数</span>
 </p>
 <p>
   <%= hidden_field_tag 'course_id', @course.id %>
diff --git a/app/views/bids/edit.html.erb b/app/views/bids/edit.html.erb
index 17e805fce..ee2142dd5 100644
--- a/app/views/bids/edit.html.erb
+++ b/app/views/bids/edit.html.erb
@@ -91,16 +91,19 @@
             }
         });
     });
-
     $(function(){
-        if($("#bid_open_anonymous_evaluation").attr("checked") == "checked")
-        {
-            $("#evaluation_num_p").show();
-        }
-        else
-        {
-            $("#evaluation_num_p").hide();
-        }
+        $("#bid_open_anonymous_evaluation").click(function(){
+            if($("#bid_open_anonymous_evaluation").attr("checked") == "checked")
+            {
+                $("#evaluation_num_p").slideDown();
+                $("#open_anonymous_evaluation_span").slideUp();
+            }
+            else
+            {
+                $("#evaluation_num_p").slideUp();
+                $("#open_anonymous_evaluation_span").slideDown();
+            }
+        });
     });
 
     function submitHomework(id)
diff --git a/app/views/courses/_homework_form.html.erb b/app/views/courses/_homework_form.html.erb
index 2d20ecf07..7e09e84fc 100644
--- a/app/views/courses/_homework_form.html.erb
+++ b/app/views/courses/_homework_form.html.erb
@@ -48,13 +48,13 @@
 <p style="display: none">
   <%= f.select :proportion, proportion_option %>
 </p>
-<p>
+<p id="open_anonymous_evaluation_p">
   <%= f.check_box :open_anonymous_evaluation, :style => "margin-left:10px;" %>
-  <span>未开启匿评作业将直接进入众评点赞阶段</span>
+  <span id='open_anonymous_evaluation_span' style="display: none">未开启匿评作业将直接进入众评点赞阶段</span>
 </p>
 <p id="evaluation_num_p">
   <%= f.text_field :evaluation_num, :required => true, :size => 60, :style => "width:150px;", :onblur => "regexEvaluationNum();" , :maxlength => 4%>
-  <span id="bid_evaluation_num_span">匿评分配数量不宜太大，否则会影响开启匿评速度</span>
+  <span id="bid_evaluation_num_span">即每份作业被允许匿评的人数</span>
 </p>
 <p>
   <%= hidden_field_tag 'course_id', @course.id %>
diff --git a/app/views/courses/new_homework.html.erb b/app/views/courses/new_homework.html.erb
index e3121c6ad..2e0b35c6d 100644
--- a/app/views/courses/new_homework.html.erb
+++ b/app/views/courses/new_homework.html.erb
@@ -84,10 +84,12 @@
             if($("#bid_open_anonymous_evaluation").attr("checked") == "checked")
             {
                 $("#evaluation_num_p").slideDown();
+                $("#open_anonymous_evaluation_span").slideUp();
             }
             else
             {
                 $("#evaluation_num_p").slideUp();
+                $("#open_anonymous_evaluation_span").slideDown();
             }
         });
     });