diff --git a/app/index/view/pc/topic_nas/help.html b/app/index/view/pc/topic_nas/help.html
index 12c373e3..25c44108 100644
--- a/app/index/view/pc/topic_nas/help.html
+++ b/app/index/view/pc/topic_nas/help.html
@@ -8,7 +8,7 @@
     <div class="narshelpCenterPc">
         <!-- banner-搜索 -->
         <div class="pagetopbg">
-            <img src="__IMAGES__/nas_help_banner.jpg" class="hpbgimg" />
+            <img src="__IMAGES__/nas_help_banner.webp" class="hpbgimg" />
             <div class='nhlp-search'>
                 <input class="nhlp-ipt" id="search-input" placeholder="{:lang_i18n('请输入搜索关键字,如安装赛博云空间,影视库')}" autocomplete="off" />
                 <img src="__IMAGES__/nas_help_search.png" class="searchimg" />
diff --git a/public/static/index/pc/images/nas_help_banner.webp b/public/static/index/pc/images/nas_help_banner.webp
new file mode 100644
index 00000000..83d5dfce
Binary files /dev/null and b/public/static/index/pc/images/nas_help_banner.webp differ