change image size

frontend/src/css/work-weixin-departments.css

@@ -12,6 +12,10 @@
 .dir-content-main .empty-tip {
   box-shadow: none;
 }
+.dir-content-main .empty-tip img {
+  width: 140px;
+  height: 140px;
+}
 .dir-content-nav {
   width: 24%;
   overflow: hidden;

frontend/src/pages/sys-admin/work-weixin/work-weixin-department-members-list.js

@@ -70,7 +70,7 @@ class WorkWeixinDepartmentMembersList extends Component {
         }
         {!isMembersListLoading && this.props.membersList.length === 0 &&
           <div className="message empty-tip text-center">
-            <img src={`${siteRoot}media/img/member-list-empty.png`}/>
+            <img src={`${siteRoot}media/img/member-list-empty-2x.png`}/>
             <h4>{'成员列表为空'}</h4>
           </div>
         }