style:调整样式

src/modules/college-manage/EmployeeManage.less

+.employee-manage-page{
+    .box-header{
+        margin-bottom:4px;
+    }
+    .add-show-btn{
+        margin-top:12px;
+    }
+}
\ No newline at end of file

src/modules/college-manage/EmployeeManage.tsx

@@ -263,7 +263,7 @@ function EmployeeManage() {
   }
 
   return (
-    <div className=" page employee-manage-page">
+    <div className="page employee-manage-page">
         <div className="content-header">员工管理</div>
         <div className="box">
           <div className="box-header">

src/modules/root/Menu.less

@@ -134,7 +134,6 @@
 .ant-menu-submenu-popup>.ant-menu {
   background: @menu-bakg  !important;
   color: #333;
-  padding-left: 15px;
   width: 132px;
   min-width: auto;
   li {