diff --git a/app/views/bids/_alert_anonyoms.html.erb b/app/views/bids/_alert_anonyoms.html.erb
index e533048f5..6205b2b6c 100644
--- a/app/views/bids/_alert_anonyoms.html.erb
+++ b/app/views/bids/_alert_anonyoms.html.erb
@@ -14,7 +14,7 @@
 
 
       /* 匿名评分弹框 */
-      .anonymos{width:480px;height:180px;position:absolute;z-index:100;left:50%;top:50%;margin:-215px 0 0 -300px;  background:#fff; -moz-border-radius:5px;  -webkit-border-radius:5px;  border-radius:5px; box-shadow:0px 0px 8px #194a81;  overflow:auto;}
+      .anonymos{width:480px;height:180px;position:fixed;z-index:100;left:50%;top:50%;margin:-215px 0 0 -300px;  background:#fff; -moz-border-radius:5px;  -webkit-border-radius:5px;  border-radius:5px; box-shadow:0px 0px 8px #194a81;  overflow:auto;}
       .ni_con { width:425px; margin:25px 30px;}
       .ni_con h2{ display:block; height:40px; width:425px;   text-align:center; color:#3a3a3a;}
       .ni_con p{ color:#808181; }
diff --git a/app/views/layouts/base_homework.html.erb b/app/views/layouts/base_homework.html.erb
index bea708537..b3336fb46 100644
--- a/app/views/layouts/base_homework.html.erb
+++ b/app/views/layouts/base_homework.html.erb
@@ -106,7 +106,7 @@
                         <% if (User.current.admin?||User.current.id==@bid.author_id) %>
                             <tr>
                               <td valign="top" style="padding-left: 8px; font-size: 15px" colspan="2">
-                                <% if bid.open_anonymous_evaluation == 1%>
+                                <% if @bid.open_anonymous_evaluation == 1%>
                                  <span id="<%=@bid.id %>_anonymous_comment">
                                       <% case @bid.comment_status %>
                                       <% when 0 %>
@@ -117,7 +117,7 @@
                                         匿评结束
                                       <% end %>
                                  </span>
-                                <%end%>
+                               <%end%>
                               </td>
                             </tr>
                         <% end %>
diff --git a/public/stylesheets/css.css b/public/stylesheets/css.css
index e54cd3af5..2eb401dfd 100644
--- a/public/stylesheets/css.css
+++ b/public/stylesheets/css.css
@@ -69,7 +69,7 @@ a.wzan_visited{background:url(images/pic_zan.png) 0 0 no-repeat;}
 
 
 /****评分弹框****/
-.alert_box {width:488px;height:550px;position:absolute;z-index:1002;left:50%;top:40%;margin:-215px 0 0 -300px;  background:#fff; -moz-border-radius:5px;  -webkit-border-radius:5px;  border-radius:5px; box-shadow:0px 0px 8px #194a81; padding:5px; overflow:auto; }
+.alert_box {width:488px;height:550px;position:fixed;z-index:1002;left:50%;top:40%;margin:-215px 0 0 -300px;  background:#fff; -moz-border-radius:5px;  -webkit-border-radius:5px;  border-radius:5px; box-shadow:0px 0px 8px #194a81; padding:5px; overflow:auto; }
 .alert .close{width:26px;height:26px;overflow:hidden;position:absolute;top:-10px;right:-502px;background:url(images/close.png) no-repeat;cursor:pointer;}
 .alert .C{width:476px;height:296px;position:absolute;left:5px;top:5px;  }
 
@@ -143,7 +143,7 @@ a:hover.tijiao{ background:#0f99a9 !important;}
 .N_search{ height:20px !important; border:1px solid #999 !important;}
 
 /* 匿名评分弹框 */
-.alert_praise{width:480px;height:200px;position:absolute;z-index:100;left:50%;top:50%;margin:-215px 0 0 -300px;  background:#fff; -moz-border-radius:5px;  -webkit-border-radius:5px;  border-radius:5px; box-shadow:0px 0px 8px #194a81;  overflow:auto;}
+.alert_praise{width:480px;height:200px;position:fixed;z-index:100;left:50%;top:50%;margin:-215px 0 0 -300px;  background:#fff; -moz-border-radius:5px;  -webkit-border-radius:5px;  border-radius:5px; box-shadow:0px 0px 8px #194a81;  overflow:auto;}
 .alert .close02{width:26px;height:26px;overflow:hidden;position:absolute;top:-10px;right:-490px;background:url(images/close.png) no-repeat;cursor:pointer;}
 .ni_con { width:425px; margin:25px 30px;}
 .ni_con h2{ display:block; height:40px; width:188px;  margin:0 auto;}