diff --git a/proxy/proxy_server.py b/proxy/proxy_server.py
index 1d9e916..e232a11 100644
--- a/proxy/proxy_server.py
+++ b/proxy/proxy_server.py
@@ -50,10 +50,10 @@ def handle_client(conn):
                 try:
                     b_device_socket.send(data)
                 except:
-                    conn.send(b"HTTP/1.1 503 Service Unavailable\r\n\r\nB设备未连接")
+                    conn.send(b"HTTP/1.1 503 Service Unavailable\r\n\r\nDevice B not connected")
                     break
             else:
-                conn.send(b"HTTP/1.1 503 Service Unavailable\r\n\r\nB设备未连接")
+                conn.send(b"HTTP/1.1 503 Service Unavailable\r\n\r\nDevice B not connected")
                 break
     except Exception as e:
         print(f"用户连接出错: {e}")