fix: market auth error handling, identity field forwarding

server/api.py

@@ -512,11 +512,12 @@ async def api_market_auth(data: dict):
         async with httpx.AsyncClient(timeout=10) as client:
             resp = await client.post(
                 f"{url}/api/collections/users/auth-with-password",
-                json={"identity": data.get("email"), "password": data.get("password")}
+                json={"identity": data.get("email", data.get("identity","")), "password": data.get("password")}
             )
-            return resp.json()
+            result = resp.json()
+            return result
     except Exception as e:
-        return {"error": str(e)}
+        return {"message": "服务器连接失败: " + str(e), "token": None}
 
 
 @router.post("/market/register")