diff --git a/app/admin/view/index/layout-left.html b/app/admin/view/index/layout-left.html
index 2cb1ff96d..ae7383ee5 100644
--- a/app/admin/view/index/layout-left.html
+++ b/app/admin/view/index/layout-left.html
@@ -10,7 +10,7 @@
             {foreach $menus as $one}
             <div>
                 <a data-menu-node="m-{$one.id}" data-open="{$one.url}" data-target-tips="{$one.title|default=''}">
-                    <i class="layui-icon layui-icon-ie font-s20"></i>
+                    <i class="{$one.icon|default='layui-icon layui-icon-ie'} font-s20"></i>
                 </a>
             </div>
             {/foreach}
diff --git a/public/static/theme/css/_config.less b/public/static/theme/css/_config.less
index 90d39816f..2d74a0888 100644
--- a/public/static/theme/css/_config.less
+++ b/public/static/theme/css/_config.less
@@ -23,30 +23,30 @@
 @InputBorderActiveColor: #DDD;
 
 // 基础阴影配置
-@ShadowMinOuter: 0 0 4px 0 rgba(0, 0, 0, .20);
-@ShadowMaxOuter: 0 0 6px 0 rgba(0, 0, 0, .20);
-@ShadowMaxInset: 0 1px 20px 0 rgba(0, 0, 0, .10) inset;
-@ShadowDownInset: 0 1px 6px 0 rgba(0, 0, 0, .10) inset;
+@ShadowMinOuter: 0 0 4px 0 rgba(0, 0, 0, 0.20);
+@ShadowMaxOuter: 0 0 6px 0 rgba(0, 0, 0, 0.20);
+@ShadowMaxInset: 0 1px 20px 0 rgba(0, 0, 0, 0.10) inset;
+@ShadowDownInset: 0 1px 6px 0 rgba(0, 0, 0, 0.10) inset;
 
 // 导航条颜色配置
 @TopHeaderTextColor: #333;
 @TopHeaderBackColor: #FFF;
-@TopHeaderBottomLine: 1px solid rgba(0, 0, 0, .16);
+@TopHeaderBottomLine: 1px solid rgba(0, 0, 0, 0.16);
 @TopHeaderNavNormalTextColor: @TopHeaderTextColor;
 @TopHeaderNavNormalBackColor: @TopHeaderBackColor;
 
 // 导航条按钮颜色
 @TopHeaderHeight: 50px;
 @TopHeaderNavHoverTextColor: #000;
-@TopHeaderNavHoverBackColor: rgba(0, 0, 0, .05);
+@TopHeaderNavHoverBackColor: rgba(0, 0, 0, 0.05);
 @TopHeaderNavActiveTextColor: #000;
-@TopHeaderNavActiveBackColor: rgba(0, 0, 0, .10);
+@TopHeaderNavActiveBackColor: rgba(0, 0, 0, 0.10);
 
 // 左侧菜单布局颜色
 @LeftMainBackColor: #393D49 !important;
-@LeftMainSubBackColor: rgba(0, 0, 0, .3) !important;
+@LeftMainSubsBackColor: rgba(0, 0, 0, 0.3) !important;
 
-@LeftMainNavHoverBackColor: rgba(99, 99, 99, .2);
+@LeftMainNavHoverBackColor: rgba(99, 99, 99, 0.2);
 @LeftMainNavHoverTextColor: #FFF;
 
 @LeftMainNavNormalBackColor: none;
diff --git a/public/static/theme/css/_layout.less b/public/static/theme/css/_layout.less
index f1afe46a0..fb591e30f 100644
--- a/public/static/theme/css/_layout.less
+++ b/public/static/theme/css/_layout.less
@@ -218,7 +218,7 @@
 
         .layui-nav-child {
           padding: 0;
-          // background-color: @LeftMainSubBackColor;
+          // background-color: @LeftMainSubsBackColor;
           background-color: unset !important;
         }