change min-height = 100vh

src/components/SiderMenu/index.less

@@ -25,7 +25,7 @@
 }
 
 .sider {
-  min-height: 100%;
+  min-height: 100vh;
   box-shadow: 2px 0 6px rgba(0, 21, 41, 0.35);
   position: relative;
   z-index: 10;