用户名下拉图标修改

src/css/index.less

@@ -28,7 +28,8 @@
       top:22px;
       width: 10px;
       height: 6px;
-      background: url("../images/icon_down.png") no-repeat;
+      background: url("../images/arrow_down.png") no-repeat;
+      background-size: 10px 6px;
     }
     //设置
     .userAction {
@@ -87,6 +88,10 @@
       color: @fstColor;
     }
   }
+  .login:after{
+    background: url("../images/icon_down.png") no-repeat;
+    background-size: 10px 6px;
+  }
   .main-body {
     background: @activeBg;
   }