diff --git a/main.py b/main.py
index 1101e9b..1281121 100644
--- a/main.py
+++ b/main.py
@@ -201,8 +201,8 @@ async def startup_db():
     logger.info("TJWater CloudService is starting...")
     logger.info('**********************************************************')
 
-    # open 'bb' by default
-    open_project("bb")
+    # open 'szh' by default
+    open_project("szh")
 	
 ############################################################
 # extension_data