Update app2.py

app2.py

@@ -167,7 +167,7 @@ def check_service(host, port):
     except socket.error:
         return False
 def localProxy():
-    os.system('apt install nginx -y')
+    os.system('sudo apt install nginx -y')
     
     _proxy_path['/'] = f'http://127.0.0.1:{_server_port+1}/'
     _proxy_path['/1/'] = f'http://127.0.0.1:{_server_port+2}/'