Update fun.py

fun.py

@@ -14,9 +14,9 @@ async def proxy(request: Request, path: str):
 
     url = f"{TARGET_BASE}/{path}"
     headers = dict(request.headers)
-    
+    host = headers["host"]
     # 强制 Host 头为 127.0.0.1，避免 Chrome 拒绝
-    # headers["host"] = "127.0.0.1"
+    headers["host"] = "127.0.0.1"
     body = await request.body()
     async with httpx.AsyncClient(follow_redirects=True) as client:
         resp = await client.request(
@@ -26,10 +26,12 @@ async def proxy(request: Request, path: str):
             content=body,
             params=request.query_params
         )
+    headers = dict(resp.headers)
+    headers["host"] = host
     return Response(
         content=resp.content,
         status_code=resp.status_code,
-        headers=dict(resp.headers)
+        headers=dheaders
     )
 
 @app.websocket("/{path:path}")