diff --git a/server_demo/server.js b/server_demo/server.js
index 2a35ae3..d72c58c 100644
--- a/server_demo/server.js
+++ b/server_demo/server.js
@@ -85,4 +85,7 @@ app.use('/api', apiRouter)
 //https://zhuanlan.zhihu.com/p/669087801
 //https://www.oracle.com/database/technologies/instant-client/macos-intel-x86-downloads.html#ic_osx_inst
 
-//https://www.runoob.com/nodejs/nodejs-build-app.html
\ No newline at end of file
+//https://www.runoob.com/nodejs/nodejs-build-app.html
+
+//https://clwy.cn/courses/fullstack-node
+//https://clwy.cn/chapters/fullstack-node-sequelize
\ No newline at end of file