处理bug

src/main/webapp/resources/view/common/site-nav.html

@@ -56,7 +56,7 @@
         border: 1px solid #999999;
         border-top: none;
         font-size: 12px;
-        z-index: 80;
+        z-index: 111111;
         -webkit-box-shadow: none;
         -moz-box-shadow: none;
         box-shadow: none;