diff --git a/dbgpt/app/openapi/api_v1/api_v1.py b/dbgpt/app/openapi/api_v1/api_v1.py
index ac2916994..43740b636 100644
--- a/dbgpt/app/openapi/api_v1/api_v1.py
+++ b/dbgpt/app/openapi/api_v1/api_v1.py
@@ -387,7 +387,7 @@ async def chat_completions(
             headers=headers,
             media_type="text/event-stream",
         )
-    elif domain_type is not None:
+    elif domain_type is not None and domain_type != "Normal":
         return StreamingResponse(
             chat_with_domain_flow(dialogue, domain_type),
             headers=headers,
diff --git a/requirements/dev-requirements.txt b/requirements/dev-requirements.txt
index 364ce239c..9e9d94c6c 100644
--- a/requirements/dev-requirements.txt
+++ b/requirements/dev-requirements.txt
@@ -14,4 +14,5 @@ aioresponses
 pre-commit
 # Type checking
 mypy==1.7.0
-httpx
\ No newline at end of file
+httpx
+vcrpy<6.0.0
\ No newline at end of file