diff --git a/app.py b/app.py
index 64cae82..f252431 100644
--- a/app.py
+++ b/app.py
@@ -28,7 +28,7 @@ app.add_middleware(
 templates = Jinja2Templates(directory="templates")
 oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token", auto_error=False)
 
-import mirror.backend
+import gateway.backend
 import api.chat2api
 
 if __name__ == "__main__":
diff --git a/mirror/backend.py b/gateway/backend.py
similarity index 92%
rename from mirror/backend.py
rename to gateway/backend.py
index 490479b..5bbe81b 100644
--- a/mirror/backend.py
+++ b/gateway/backend.py
@@ -1,4 +1,5 @@
 import json
+import random
 import re
 import time
 
@@ -7,8 +8,9 @@ from fastapi.responses import HTMLResponse, RedirectResponse, Response
 
 import utils.globals as globals
 from app import app, templates
-from mirror.reverseProxy import chatgpt_reverse_proxy
-from utils.config import enable_gateway
+from gateway.reverseProxy import chatgpt_reverse_proxy
+from utils.Client import Client
+from utils.config import enable_gateway, proxy_url_list
 
 if enable_gateway:
     @app.get("/", response_class=HTMLResponse)
@@ -24,6 +26,20 @@ if enable_gateway:
         return response
 
 
+    @app.post("/auth/refresh")
+    async def refresh(request: Request):
+        res = await request.json()
+        refresh_token = res.get("refresh_token", "")
+        data = {
+            "client_id": "pdlLIX2Y72MIl2rhLhTE9VV9bN905kBh",
+            "grant_type": "refresh_token",
+            "redirect_uri": "com.openai.chat://auth0.openai.com/ios/com.openai.chat/callback",
+            "refresh_token": refresh_token
+        }
+        client = Client(proxy=random.choice(proxy_url_list) if proxy_url_list else None)
+        r = (await client.post("https://auth0.openai.com/oauth/token", json=data, timeout=5)).json()
+        return r
+
     @app.get("/login", response_class=HTMLResponse)
     async def login_html(request: Request):
         response = templates.TemplateResponse("login.html", {"request": request})
diff --git a/mirror/reverseProxy.py b/gateway/reverseProxy.py
similarity index 100%
rename from mirror/reverseProxy.py
rename to gateway/reverseProxy.py
diff --git a/version.txt b/version.txt
index 7b98f10..39e929a 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-1.6.2-beta2
\ No newline at end of file
+1.6.2-beta3
\ No newline at end of file