diff --git a/application/views/mobile_first/ch-pc.php b/application/views/mobile_first/ch-pc.php
index 353d12f1..6b514e5b 100644
--- a/application/views/mobile_first/ch-pc.php
+++ b/application/views/mobile_first/ch-pc.php
@@ -41,9 +41,9 @@
 <!--PC头部导航-->
 <header class="headerbar" id="header">
 
-    <a href="/" class="p_toplogo"> <img src="https://www.chinahighlights.com/pic/logo/china-highlights-top-navi-logo-2021.png"
-                                        width="154px" height="83px" alt="chinahighlights logo"
-                                        class="chinahighlightslogo"></a>
+    <a href="/" class="p_toplogo"> <img src="https://data.chinahighlights.com/pic/logo/china-highlights-top-navi-logo-2021.png"
+                                        alt="chinahighlights logo"
+                                        class="chinahighlightslogo img-responsive"></a>
     <div class="p_topnavigation">
         <ul class="pctopnavi">
             <li class="dropdown"><a href="/tour/" class="p_topnavilink">China Tours</a>
@@ -276,7 +276,7 @@
         <div class="row">
             <img src="https://data.chinahighlights.com/grey.gif"
                  originalsrc="https://data.chinahighlights.com/pic/guide/info-template-bottom-logo.jpg"
-                  loader="lazy"
+                 loader="lazy"
                  class="img-responsive bottomlogopc">
             <span class="bottomcopyright">© 1998-2020 China Highlights — Discovery Your Way!  </span>
             <span class="bottomprivacy"><a href="/privacy.htm">Privacy Policy</a>  |  <a
diff --git a/application/views/mobile_first/ch.php b/application/views/mobile_first/ch.php
index 22ef8a52..766ba495 100644
--- a/application/views/mobile_first/ch.php
+++ b/application/views/mobile_first/ch.php
@@ -29,8 +29,7 @@
 <!--头部导航-->
 <header class="headerbar  flex justify-start items-center top-0 left-0 right-0 pl2 pr4 pt2 md-pt0" id="header">
     <div role=button tabindex=0>
-        <a href="/"> <img src="https://www.chinahighlights.com/pic/logo/china-highlights-top-navi-logo-2021.png" width="98px"
-                          height="53px" alt="chinahighlights logo" class="chinahighlightslogo"></a>
+        <a href="/"> <img src="https://data.chinahighlights.com/pic/logo/china-highlights-top-navi-logo-2021.png" alt="chinahighlights logo" class="chinahighlightslogo img-responsive"></a>
         <div class="topnavitailor">
             <a href="/tour/create-my-trip.htm" class="infocustomize">Create My Trip <i aria-hidden="true"
                                                                                        class="fa fa-caret-right toptailorarrow"></i></a>