diff --git a/src/layout/components/TopNav/Index.vue b/src/layout/components/TopNav/Index.vue
index e7c7bfc0..55bf33e1 100644
--- a/src/layout/components/TopNav/Index.vue
+++ b/src/layout/components/TopNav/Index.vue
@@ -9,7 +9,7 @@
         <div class="xtop-nav">
           <div><a :href="`${webBaseUrl}/index`">首页</a></div>
           <div><a :href="`${webBaseUrl}/course`">课程</a></div>
-          <div><a :href="`${webBaseUrl}/case`" target="_blank">案例</a></div>
+          <div><a :href="`${webBaseUrl}/case`">案例</a></div>
           <div><a :href="`${webBaseUrl}/article`">文章</a></div>
           <div><a :href="`${webBaseUrl}/qa`">问答</a></div>
           <div>