diff --git a/tests/cli/test_studio_update.py b/tests/cli/test_studio_update.py
index 874f01e2f..14479e86b 100644
--- a/tests/cli/test_studio_update.py
+++ b/tests/cli/test_studio_update.py
@@ -1020,7 +1020,9 @@ def update_application_code_bundle(self, **kwargs: object) -> str:
     assert captured["offline_runtime"] is False
     assert captured["package_provider"] == "byteplus"
     assert captured["bundle_agentkit_cli"] is False
-    assert captured["package_requirements"] == "./veadk.whl\n./pydantic.whl\n"
+    assert captured["package_requirements"] == (
+        "--extra-index-url https://pypi.org/simple\n./veadk.whl\n./pydantic.whl\n"
+    )
     update = captured["update"]
     assert isinstance(update, dict)
     run_script = str(captured["run_script"])
diff --git a/veadk/cli/cli_frontend.py b/veadk/cli/cli_frontend.py
index fe80291dc..e4c52a6bf 100644
--- a/veadk/cli/cli_frontend.py
+++ b/veadk/cli/cli_frontend.py
@@ -16483,6 +16483,10 @@ def frontend_update(
                 provider=provider_id,
                 offline_runtime=False,
             )
+            if provider_id == "byteplus":
+                requirements = (
+                    "--extra-index-url https://pypi.org/simple\n" + requirements
+                )
         except ValueError as error:
             raise click.ClickException(str(error)) from error
         try: