Opt: Add auto device detection and auto package detection, should be foolproof

- Add: Real-time server change

module/config/server.py

@@ -3,3 +3,11 @@ This file stores server, such as 'cn', 'en'.
 Use 'import module.config.server as server' to import, don't use 'from xxx import xxx'.
 """
 server = 'cn'  # Setting default to cn, will avoid errors when using dev_tools
+
+
+def set_server(target):
+    global server
+    server = target
+
+    from module.base.resource import release_resources
+    release_resources()