diff --git a/public/stylesheets/css/common.css b/public/stylesheets/css/common.css
index f646a345f..fb78f320d 100644
--- a/public/stylesheets/css/common.css
+++ b/public/stylesheets/css/common.css
@@ -7,7 +7,6 @@ div,img,tr,td,table{ border:0;}
 table,tr,td{border:0;cellspacing:0; cellpadding:0;}
 ol,ul,li{ list-style-type:none}
 blockquote {
-    /* font-style: italic; */
     border:1px solid #d4d4d4;
     padding-left: 0.6em;
     padding-top: 0.6em;
@@ -17,7 +16,7 @@ blockquote {
     margin-right: 0.4em;
     border-radius: 4px;
     font-family: "Microsoft YaHei";
-    /*background: url('../images/requirements/reference.jpg');*/
+    background:#e8e8e8;
     background-size: 100% 100%;
     margin-top:5px;
 }
diff --git a/public/stylesheets/css/courses.css b/public/stylesheets/css/courses.css
index 5c3ec3508..b1aa37347 100644
--- a/public/stylesheets/css/courses.css
+++ b/public/stylesheets/css/courses.css
@@ -42,7 +42,7 @@ a:hover.icon_remove{background:url(../images/course/icons.png) -20px -338px no-r
 .SearchIcon:hover{background:url(../images/homepage_icon2.png) 676px -419px no-repeat; }
 a.link_file{ background:url(../images/pic_file.png) 0 2px no-repeat; padding-left:20px; }
 a:hover.link_file{ background:url(../images/pic_file.png) 0 -25px no-repeat; color:#3ca5c6;}
-a.remove-upload {background: url(../images/delete.png) no-repeat 1px 50%;width: 1px;display: inline-block;padding-left: 16px;margin-left: 5px;}
+a.remove-upload {background: url(/images/delete.png) no-repeat 1px 50%;width: 1px;display: inline-block;padding-left: 16px;margin-left: 5px;}
 a.FilesName{ max-width:540px;overflow:hidden; white-space:nowrap; text-overflow:ellipsis; display:block;}
 a.FilesName02{ max-width:665px;overflow:hidden; white-space:nowrap; text-overflow:ellipsis; display:block;}
 .ProResultUl span { display:block; float:left;}
@@ -403,7 +403,7 @@ a.work_list_tit{width:580px;  display:block; overflow:hidden; font-size:14px;  f
 .ajax-waiting input.upload_filename {background:url(../images/hourglass.png) no-repeat 0px 50%;}
 .ajax-loading input.upload_filename {background:url(../images/loading.gif) no-repeat 0px 50%;}
 div.ui-progressbar { width: 100px; height:14px; margin: 2px 0 -5px 8px; display: inline-block; }
-.upload_filename{ background: url(../images/pic_file.png) 0 -20px no-repeat;color: #7f7f7f;width: 270px;border: none; padding-left: 20px;margin-right: 10px;margin-bottom: 5px; white-space: nowrap; text-overflow:ellipsis;}
+.upload_filename{ background: url(/images/pic_file.png) 0 -20px no-repeat;color: #7f7f7f;width: 270px;border: none; padding-left: 20px;margin-right: 10px;margin-bottom: 5px; white-space: nowrap; text-overflow:ellipsis;}
 .evaluation{position: relative;}
 .evaluation_submit{position: absolute;right: 0px;bottom: 0px;}
 .student_work_search{background-color: #64bdd9;color: white !important;padding: 2px 7px;margin-left: 10px;cursor: pointer; }
diff --git a/public/stylesheets/css/public.css b/public/stylesheets/css/public.css
index d1c1a28ba..f3994f896 100644
--- a/public/stylesheets/css/public.css
+++ b/public/stylesheets/css/public.css
@@ -263,7 +263,7 @@ div.flash.warning, .conflict {
 /*弹出框*/
 .black_overlay{display:none;position:fixed;top:0px;left:0px;width:100%;height:100%;background-color:black;z-index:1001;-moz-opacity:0.8;opacity:.80;filter:alpha(opacity=80);}
 .white_content{display:none;position:fixed;top:15%;left:30%;width:420px;height: auto; margin-bottom:20px;padding:16px;border:3px solid #269ac9;background-color:white;z-index:1002;overflow:auto;}
-.white_content02{display:none;position:fixed;top:15%;left:30%;width:200px;height: auto; margin-bottom:20px;padding:10px;border:3px solid #269ac9;background-color:white;z-index:1002;overflow:auto;}
+.white_content02{display:none;position:fixed;top:15%;left:30%;width:200px;height: auto; margin-bottom:20px;padding:10px;border:3px solid #269ac9;background-color:white;z-index:1002;overflow:auto; width:456px;}
 .newhwork_content{ display:none;position:fixed;top:15%;left:30%;width:600px;height: auto; margin-bottom:20px;padding:16px;border:3px solid #269ac9;background-color:white;z-index:1002;overflow:auto;}
 .floatbox{ width:420px; border:3px solid #269ac9; background:#fff; padding:5px;}
 a.box_close{ display:block; float:right; width:16px; height:16px; background:url(../images/img_floatbox.png) 0 0 no-repeat;}
@@ -963,7 +963,7 @@ a:hover.pr_join_a{ background:#41a8c8;}
 .pr_arrow{display:block; background:url(../images/leftside.png) 0px -90px no-repeat; width:11px; height:11px; margin-top:3px; float:left; }
 .pr_friend{display:block; background:url(../images/leftside.png) 0px -112px no-repeat; width:12px; height:11px; margin-top:4px; float:left; }
 .pr_keyan{display:block; background:url(../images/leftside.png) 0px -135px no-repeat; width:12px; height:11px; margin-top:4px; float:left; }
-.pr_kafa{display:block; background:url(../images/leftside.png) 0px -156px no-repeat; width:12px; height:11px; margin-top:4px; float:left; }
+.pr_kafa{display:block; background:url(/images/leftside.png) 0px -156px no-repeat; width:12px; height:11px; margin-top:4px; float:left; }
 .pr_info_name{ color:#3e4040; font-size:14px;  line-height:1.5;}
 .pr_info_name:hover{ color:#3ca5c6;}
 .pr_info_score{ font-size:14px; color:#3e4040; }
@@ -1255,7 +1255,7 @@ a.winbox_btn_close{
 }
 
 /* 邮箱验证 */
-.email_verify body,h1,h2,h3,h4,h5,h6,hr,p,blockquote,dl,dt,dd,ul,ol,li,pre,form,fieldset,legend,button,input,textarea,th,td{ margin:0; padding:0;}
+.email_verify body,h1,h2,h3,h4,h5,h6,hr,p,dl,dt,dd,ul,ol,li,pre,form,fieldset,legend,button,input,textarea,th,td{ margin:0; padding:0;}
 .mt30{ margin-top:30px;}
 .ml30{ margin-left:30px;}
 .new_content{
diff --git a/public/stylesheets/css/structure.css b/public/stylesheets/css/structure.css
index 6cebd3349..1d3f87e2e 100644
--- a/public/stylesheets/css/structure.css
+++ b/public/stylesheets/css/structure.css
@@ -146,23 +146,6 @@ div.recall_con{width:570px;}
 div.recall_con .reply_btn{margin-left:525px;margin-top:5px;}
 .fr.cr{ clear: right}
 
-blockquote {
-    /* font-style: italic; */
-    border:1px solid #d4d4d4;
-    padding-left: 0.6em;
-    padding-top: 0.6em;
-    padding-right: 0.6em;
-    padding-bottom: 0.6em;
-    margin-left: 1.4em;
-    margin-right: 0.4em;
-    border-radius: 4px;
-    font-family: "Microsoft YaHei";
-    /*background: url('../images/requirements/reference.jpg');*/
-    background-size: 100% 100%;
-    margin-bottom:5px;
-    background-color: #e8e8e8;
-}
-
 
 /*通知列表界面样式*/
 a.messages-title{font-size:14px; font-weight: bold; color:#000;white-space:nowrap; overflow:hidden; text-overflow:ellipsis; display:block; max-width:630px;}