diff --git a/app/views/users/_user_homework_detail.html.erb b/app/views/users/_user_homework_detail.html.erb
index a0860dded..fb6ae0455 100644
--- a/app/views/users/_user_homework_detail.html.erb
+++ b/app/views/users/_user_homework_detail.html.erb
@@ -146,7 +146,7 @@
                         });
                     });
                 </script>
-                <div class="mr20 mb10 fl">
+                <div class="mr20 mb10 fl w80" style="text-align: center;">
                   <% if project.is_public || User.current.member_of?(project) || User.current.admin? %>
                       <%= link_to image_tag(url_to_avatar(project),:width=>"40",:height => "40",:class => "borderRadius"),project_path(project.id,:host=>Setting.host_name),:id=>"project_img_"+project.id.to_s+"_"+homework_common.id.to_s,:alt =>"项目头像" %>
                   <% else %>
diff --git a/public/stylesheets/courses.css b/public/stylesheets/courses.css
index 463fc710a..b07e93701 100644
--- a/public/stylesheets/courses.css
+++ b/public/stylesheets/courses.css
@@ -1209,7 +1209,7 @@ a:hover.blueCir{ background:#3598db; color:#fff;}
 .proHelp {background:url(/images/course/hwork_icon.png) -5px -124px no-repeat; display:inline-block; width:15px; height:15px; display:inline-block;}
 .hworkPrName {width:110px; max-width:110px; overflow:hidden; white-space: nowrap; text-overflow:ellipsis; float:left; height:18px; line-height:18px; font-size:12px; color:#888888; text-align:center;}
 .mr150 {margin-right:150px;}
-.relatePInfo {position:absolute; background-color:#ffffff; padding:3px 8px; white-space:nowrap; box-shadow:0px 2px 8px rgba(146, 153, 169, 0.5); z-index:999; color:#585858; cursor:pointer; display:none;}
+.relatePInfo {text-align: left; position:absolute; background-color:#ffffff; padding:3px 8px; white-space:nowrap; box-shadow:0px 2px 8px rgba(146, 153, 169, 0.5); z-index:999; color:#585858; cursor:pointer; display:none;}
 
 /*上传资源弹窗*/
 .resourceUploadPopup {width:400px; height:auto; border:3px solid #269ac9 !important; padding-left:16px; padding-bottom:16px; background-color:#ffffff; position:absolute; top:50%; left:50%; margin-left:-200px; z-index:1000;}
diff --git a/public/stylesheets/new_user.css b/public/stylesheets/new_user.css
index e73109eed..e7ac454e7 100644
--- a/public/stylesheets/new_user.css
+++ b/public/stylesheets/new_user.css
@@ -1387,7 +1387,7 @@ a:hover.blueCir{ background:#3598db; color:#fff;}
 /* @功能 定义 */
 span.at {color:#269ac9;}
 
-.relatePInfo {position:absolute; background-color:#ffffff; padding:3px 8px; white-space:nowrap; box-shadow:0px 2px 8px rgba(146, 153, 169, 0.5); z-index:999; color:#585858; cursor:pointer; display:none;}
+.relatePInfo {text-align: left; position:absolute; background-color:#ffffff; padding:3px 8px; white-space:nowrap; box-shadow:0px 2px 8px rgba(146, 153, 169, 0.5); z-index:999; color:#585858; cursor:pointer; display:none;}
 /*问题状态图片*/
 .issues{ background:url(../images/public_icon.png) -66px 5px no-repeat; width:18px; height:21px;}
 .duty{ background:url(../images/public_icon.png) -66px -18px no-repeat; width:18px; height:21px;}