diff --git a/packaging/default_config/app_config.json b/packaging/default_config/app_config.json
index 879f395..a317b06 100644
--- a/packaging/default_config/app_config.json
+++ b/packaging/default_config/app_config.json
@@ -6,7 +6,7 @@
   "last_print_dir": "",
   "last_template": "",
   "last_batch_mode": "full_combo",
-  "update_source": "",
-  "update_user": "",
-  "update_pass": ""
+  "update_source": "http://cm.xiapi.com",
+  "update_user": "admin",
+  "update_pass": "chengma"
 }