diff --git a/sdk-intergration/Packages/tysdk/Runtime/TYSdkFacade.cs b/sdk-intergration/Packages/tysdk/Runtime/TYSdkFacade.cs
index 19355be..d44d461 100644
--- a/sdk-intergration/Packages/tysdk/Runtime/TYSdkFacade.cs
+++ b/sdk-intergration/Packages/tysdk/Runtime/TYSdkFacade.cs
@@ -444,7 +444,7 @@ namespace tysdk
                 "csh-api-6dfa879490a249be9fbc92e97e4d898d-api-csh";
             //对sign进行MD5加密
             string signMd5 = CalculateMD5Hash(sign);
-            string url = $"{tycs}?{listStr}&sign={signMd5}&isAbroad=1";
+            string url = $"{tycs}?{listStr}&sign={signMd5}&isAbroad=1&lan=en";
             Debug.Log($"[TYSdkFacade:Signout] url \n{url}");
             Application.OpenURL(url);
         }