diff --git a/构建和启动.md b/构建和启动.md
index cc323b5..e7a1cf9 100644
--- a/构建和启动.md
+++ b/构建和启动.md
@@ -41,4 +41,6 @@ spring:
     username: your_username
     password: your_password
     driver-class-name: com.mysql.jdbc.Driver
+demo.enabled:
+    true
 ```
\ No newline at end of file