diff --git a/src/layout/components/Header.vue b/src/layout/components/Header.vue
index 1235411..0a158bc 100644
--- a/src/layout/components/Header.vue
+++ b/src/layout/components/Header.vue
@@ -78,7 +78,7 @@ function goBackV1() {
 }
 
 function openManual() {
-  const url = `/manuals/${encodeURIComponent('长沙公安政府投资项目审计模块-操作手册V1.5.pdf')}`;
+  const url = `invest/manuals/${encodeURIComponent('长沙公安政府投资项目审计模块-操作手册V1.5.pdf')}`;
   window.open(url, '_blank', 'noopener,noreferrer');
 }