diff --git a/public/images/close.png b/public/images/close.png
index 3dd76e69c..301ba5e85 100644
Binary files a/public/images/close.png and b/public/images/close.png differ
diff --git a/public/images/img_project.png b/public/images/img_project.png
new file mode 100644
index 000000000..b0e5a495f
Binary files /dev/null and b/public/images/img_project.png differ
diff --git a/public/images/logo.jpg b/public/images/logo.jpg
new file mode 100644
index 000000000..273b39c07
Binary files /dev/null and b/public/images/logo.jpg differ
diff --git a/public/images/logo.png b/public/images/logo.png
index 9a5bf367d..b9322d193 100644
Binary files a/public/images/logo.png and b/public/images/logo.png differ
diff --git a/public/images/pic_01.jpg b/public/images/pic_01.jpg
new file mode 100644
index 000000000..bf6678e22
Binary files /dev/null and b/public/images/pic_01.jpg differ
diff --git a/public/images/public_icon.png b/public/images/public_icon.png
new file mode 100644
index 000000000..7134ded42
Binary files /dev/null and b/public/images/public_icon.png differ
diff --git a/public/images/sidebar_bg.png b/public/images/sidebar_bg.png
index 014b14466..2704727d7 100644
Binary files a/public/images/sidebar_bg.png and b/public/images/sidebar_bg.png differ
diff --git a/public/stylesheets/pleft.css b/public/stylesheets/pleft.css
index 4a6ecc5bf..9a20a97d3 100644
--- a/public/stylesheets/pleft.css
+++ b/public/stylesheets/pleft.css
@@ -31,7 +31,7 @@ a:hover.pr_join_a{ background:#41a8c8;}
 /*左侧导航*/
 .subNavBox{width:240px; background:#fff;margin:10px 10px 0 0;}
 .subNav{border-bottom:solid 1px #e5e3da;cursor:pointer;font-weight:bold;font-size:14px;color:#3ca5c6; height:26px;padding-left:10px;background-color:#fff; padding-top:2px;}
-a.subNav_jiantou{background:url(../images/jiantou1.jpg) no-repeat;background-position:95% 50%; background-color:#fff;}
+.subNav_jiantou{background:url(../images/jiantou1.jpg) no-repeat;background-position:95% 50%; background-color:#fff;}
 a:hover.subNav_jiantou:hover{color:#0781b4;  }
 .currentDd{color:#0781b4; }
 .currentDt{background-color:#fff; }