diff --git a/fastapi_server/combined.py b/fastapi_server/combined.py
deleted file mode 100644
index 09b4420..0000000
--- a/fastapi_server/combined.py
+++ /dev/null
@@ -1,30 +0,0 @@
-from fastapi import FastAPI
-from fastapi.middleware.cors import CORSMiddleware
-
-from lang_agent.fastapi_server.front_apis import app as front_app
-from lang_agent.fastapi_server.server_dashscope import create_dashscope_router
-
-
-app = FastAPI(
-    title="Combined Front + DashScope APIs",
-    description=(
-        "Single-process app exposing front_apis control endpoints and "
-        "DashScope-compatible chat endpoints."
-    ),
-)
-
-app.add_middleware(
-    CORSMiddleware,
-    allow_origins=["*"],
-    allow_credentials=True,
-    allow_methods=["*"],
-    allow_headers=["*"],
-)
-
-# Keep existing /v1/... admin APIs unchanged.
-app.include_router(front_app.router)
-
-# Add DashScope endpoints at their existing URLs. We intentionally skip
-# DashScope's root/health routes to avoid clashing with front_apis.
-app.include_router(create_dashscope_router(include_meta_routes=False))
-
diff --git a/lang_agent/fastapi_server/combined.py b/lang_agent/fastapi_server/combined.py
index 2d4504e..7912072 100644
--- a/lang_agent/fastapi_server/combined.py
+++ b/lang_agent/fastapi_server/combined.py
@@ -1,8 +1,9 @@
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
+import uvicorn
 
-from fastapi_server.front_apis import app as front_app
-from fastapi_server.server_dashscope import create_dashscope_router
+from lang_agent.fastapi_server.front_apis import app as front_app
+from lang_agent.fastapi_server.server_dashscope import create_dashscope_router
 
 
 app = FastAPI(
@@ -28,3 +29,5 @@ app.include_router(front_app.router)
 # DashScope's root/health routes to avoid clashing with front_apis.
 app.include_router(create_dashscope_router(include_meta_routes=False))
 
+if __name__ == "__main__":
+    uvicorn.run(app, host="0.0.0.0", port=8500)
\ No newline at end of file