Adjust the siderbar style

src/components/SiderMenu/index.less

@@ -30,10 +30,12 @@
   position: relative;
   z-index: 10;
   &.light {
+    box-shadow: 2px 0 8px 0 rgba(29, 35, 41, 0.05);
     background-color: white;
     .logo {
       background: white;
       border-bottom: 1px solid @border-color-split;
+      border-right: 1px solid @border-color-split;
       h1 {
         color: @primary-color;
       }