diff --git a/deploy/rust-backend-dev.service b/deploy/rust-backend-dev.service
index 317e73c..102dc17 100644
--- a/deploy/rust-backend-dev.service
+++ b/deploy/rust-backend-dev.service
@@ -14,7 +14,7 @@ RestartSec=5
 StandardOutput=journal
 StandardError=journal
 
-Environment=DATABASE_URL=postgres://milkydata:44n6FdB8CdDAk5rk@154.37.213.24:5432/milkydata
+Environment=DATABASE_URL=postgres://milkydata:44n6FdB8CdDAk5rk@127.0.0.1:5432/milkydata
 Environment=WECHAT_APPID=wx5b00eb90621802f7
 Environment=WECHAT_SECRET=494efc513faa310bfba588bda2849bfd
 Environment=JWT_SECRET=your_super_secret_key