diff --git a/docs/.vuepress/theme/components/Navbar.vue b/docs/.vuepress/theme/components/Navbar.vue
index d392ea1a0da62cf7f29f63f43a184faaa2e7318a..ba138471a4b58ca9312c4ca6b4a5314403d7e196 100644
--- a/docs/.vuepress/theme/components/Navbar.vue
+++ b/docs/.vuepress/theme/components/Navbar.vue
@@ -155,6 +155,7 @@ export default {
         this.addWindowScroll()
       } else {
         this.fixedNavbar = true
+        this.SearchBoxTop = 0
       }
     },
     addWindowScroll () {