diff --git a/css/metroStyle/metroStyle.css b/css/metroStyle/metroStyle.css
index e20c37d45a399fcca8f6329478aa88c57c2d5498..af81f42392e589dad5665dfef87723d9c9aabaac 100644
--- a/css/metroStyle/metroStyle.css
+++ b/css/metroStyle/metroStyle.css
@@ -92,5 +92,5 @@ span.tmpzTreeMove_arrow {width:16px; height:21px; display: inline-block; padding
     background-color:transparent; background-repeat:no-repeat; background-attachment: scroll;
     background-position:-168px -84px; background-image:url("./img/metro.png"); *background-image:url("./img/metro.gif")}
 
-ul.ztreeul.ztreeDragUL {margin:0; padding:0; position:absolute; width:auto; height:auto;overflow:hidden; background-color:#cfcfcf; border:1px #00B83F dotted; opacity:0.8; filter:alpha(opacity=80)}
+ul.ztree.zTreeDragUL {margin:0; padding:0; position:absolute; width:auto; height:auto;overflow:hidden; background-color:#cfcfcf; border:1px #00B83F dotted; opacity:0.8; filter:alpha(opacity=80)}
 .ztreeMask {z-index:10000; background-color:#cfcfcf; opacity:0.0; filter:alpha(opacity=0); position:absolute}
diff --git a/log v3.x.txt b/log v3.x.txt
index 0c84352d7e52bb88a6439340fcda87cc2fe5a24a..340484b2b023b61e62809365377c0f6a170169d6 100644
--- a/log v3.x.txt	
+++ b/log v3.x.txt	
@@ -13,6 +13,10 @@
 
 </font>
 
+
+*2016.03.01* v3.5.21
+   * 【修改】metro Demo 的样式错误
+
 *2016.02.17* v3.5.21
    * 【修改】zTree js 文件名 （为了便于发布到 https://cdnjs.com/）