diff --git a/docs/zh/dev-guide/plugin-dev.md b/docs/zh/dev-guide/plugin-dev.md
index 3ab73d4c06..a1609e202b 100644
--- a/docs/zh/dev-guide/plugin-dev.md
+++ b/docs/zh/dev-guide/plugin-dev.md
@@ -152,7 +152,7 @@ export default {
 extend: '@vue/cli-service/generator/template/src/App.vue'
 replace:
   - !!js/regexp /Welcome to Your Vue\.js App/
-  - !!js/regexp /<script>[^]*?<\/script>
+  - !!js/regexp /<script>[^]*?<\/script>/
 ---
 
 <%# REPLACE %>