diff --git a/dzz/orguser/images/orguser.css b/dzz/orguser/images/orguser.css
index 2d0f92e..5ba8eb0 100644
--- a/dzz/orguser/images/orguser.css
+++ b/dzz/orguser/images/orguser.css
@@ -25,7 +25,14 @@
 	border-top:1px solid #FFF;
 	padding:7px 10px 3px 10px;
 }
-
+.classtree-search{
+    position: absolute;
+    left: 0;
+    top: 0;
+    width: 100%;
+    height: 39px;
+    display: none;
+}
 .classtree-topbar a{
 	display:inline-block;
 	width:24px;
diff --git a/static/bootstrap/css/bootstrap.min.css b/static/bootstrap/css/bootstrap.min.css
index 2ea3cb0..a997c17 100644
--- a/static/bootstrap/css/bootstrap.min.css
+++ b/static/bootstrap/css/bootstrap.min.css
@@ -2471,12 +2471,6 @@ a.thumbnail:focus,
 a.thumbnail:hover {
     border-color: #337ab7
 }
-
-.thumbnail .caption {
-    padding: 9px;
-    color: #333
-}
-
 .media {
     margin-top: 15px
 }
diff --git a/user/login/template/getpasswd.htm b/user/login/template/getpasswd.htm
index 36fe368..1336607 100644
--- a/user/login/template/getpasswd.htm
+++ b/user/login/template/getpasswd.htm
@@ -23,9 +23,6 @@
     display: block;
     text-align: center;
     pointer-events: none;
-}
-.signin-form .has-feedback.row .mdi {
-    left: 15px;
 }
 	html, body{
 		overflow:auto;
diff --git a/user/login/template/login_single1.htm b/user/login/template/login_single1.htm
index 6f5bcdb..116b1df 100644
--- a/user/login/template/login_single1.htm
+++ b/user/login/template/login_single1.htm
@@ -24,9 +24,6 @@
     display: block;
     text-align: center;
     pointer-events: none;
-}
-.signin-form .has-feedback.row .mdi {
-    left: 15px;
 }
 	html, body{
 		overflow:auto;
diff --git a/user/login/template/login_single3.htm b/user/login/template/login_single3.htm
index 130d63f..4e81225 100644
--- a/user/login/template/login_single3.htm
+++ b/user/login/template/login_single3.htm
@@ -26,9 +26,6 @@
 			text-align: center;
 			pointer-events: none;
 	}
-	.signin-form .has-feedback.row .mdi {
-			left: 15px;
-	}
 	.signin-form .form-group:last-child,
 	.login-right p:last-child {
 			margin-bottom: 0px;
diff --git a/user/login/template/lostpasswd3.htm b/user/login/template/lostpasswd3.htm
index 831c1d4..b40b688 100644
--- a/user/login/template/lostpasswd3.htm
+++ b/user/login/template/lostpasswd3.htm
@@ -27,9 +27,6 @@
 			text-align: center;
 			pointer-events: none;
 	}
-	.signin-form .has-feedback.row .mdi {
-			left: 15px;
-	}
 	.signin-form .form-group:last-child,
 	.login-right p:last-child {
 			margin-bottom: 0px;
diff --git a/user/register/template/register.htm b/user/register/template/register.htm
index 53e0235..04959cf 100644
--- a/user/register/template/register.htm
+++ b/user/register/template/register.htm
@@ -27,9 +27,6 @@
     display: block;
     text-align: center;
     pointer-events: none;
-}
-.signin-form .has-feedback.row .mdi {
-    left: 15px;
 }
 	html, body{
 		overflow:auto;
diff --git a/user/register/template/register3.htm b/user/register/template/register3.htm
index 0193d07..1a33473 100644
--- a/user/register/template/register3.htm
+++ b/user/register/template/register3.htm
@@ -26,9 +26,6 @@
 			text-align: center;
 			pointer-events: none;
 	}
-	.signin-form .has-feedback.row .mdi {
-			left: 15px;
-	}
 	.signin-form .form-group:last-child,
 	.login-right p:last-child {
 			margin-bottom: 0px;