diff --git a/application/views/mobile_first/ah-pc.php b/application/views/mobile_first/ah-pc.php
index 3f98dcc9..fce35ee1 100644
--- a/application/views/mobile_first/ah-pc.php
+++ b/application/views/mobile_first/ah-pc.php
@@ -512,21 +512,6 @@
 
         </div>
     </div>
-  <script>
-    (function (w, d, i) {
-      var navbar = d.getElementById(i);
-      var prevScrollpos = w.pageYOffset;
-      w.onscroll = function() {
-        var currentScrollPos = w.pageYOffset;
-        if (prevScrollpos > currentScrollPos) {
-          navbar.style.top = '0';
-        } else {
-          navbar.style.top = '-100px';
-        }
-        prevScrollpos = currentScrollPos;
-      }
-    })(window, document, 'header');
-  </script>
 
  <!--newsletter表单 JS-->
 <script src="https://www.recaptcha.net/recaptcha/enterprise.js?render=6Lf828MhAAAAANNetijCXKwW5ARyhcJ-b1Hhslja"></script>
diff --git a/application/views/mobile_first/ah.php b/application/views/mobile_first/ah.php
index 3b2ee90e..055b5688 100644
--- a/application/views/mobile_first/ah.php
+++ b/application/views/mobile_first/ah.php
@@ -544,22 +544,6 @@
         return result;
       }
     </script>
-  <script>
-    (function (w, d, i) {
-      var navbar = d.getElementById(i);
-      var prevScrollpos = w.pageYOffset;
-      w.onscroll = function() {
-        var currentScrollPos = w.pageYOffset;
-        if (prevScrollpos > currentScrollPos) {
-          navbar.style.top = '0';
-        } else {
-          navbar.style.top = '-100px';
-        }
-        prevScrollpos = currentScrollPos;
-      }
-    })(window, document, 'header');
-  </script>
-
   </footer>
   <!--移动底部 结束-->