diff --git a/app/api/v1/admin/__init__.py b/app/api/v1/admin_api/__init__.py
similarity index 55%
rename from app/api/v1/admin/__init__.py
rename to app/api/v1/admin_api/__init__.py
index 63db93d..1476337 100644
--- a/app/api/v1/admin/__init__.py
+++ b/app/api/v1/admin_api/__init__.py
@@ -2,9 +2,9 @@
 
 from fastapi import APIRouter
 
-from app.api.v1.admin.cache import router as cache_router
-from app.api.v1.admin.config import router as config_router
-from app.api.v1.admin.token import router as tokens_router
+from app.api.v1.admin_api.cache import router as cache_router
+from app.api.v1.admin_api.config import router as config_router
+from app.api.v1.admin_api.token import router as tokens_router
 
 router = APIRouter()
 
diff --git a/app/api/v1/admin/cache.py b/app/api/v1/admin_api/cache.py
similarity index 100%
rename from app/api/v1/admin/cache.py
rename to app/api/v1/admin_api/cache.py
diff --git a/app/api/v1/admin/config.py b/app/api/v1/admin_api/config.py
similarity index 100%
rename from app/api/v1/admin/config.py
rename to app/api/v1/admin_api/config.py
diff --git a/app/api/v1/admin/token.py b/app/api/v1/admin_api/token.py
similarity index 100%
rename from app/api/v1/admin/token.py
rename to app/api/v1/admin_api/token.py
diff --git a/app/api/v1/public/__init__.py b/app/api/v1/public_api/__init__.py
similarity index 54%
rename from app/api/v1/public/__init__.py
rename to app/api/v1/public_api/__init__.py
index 984bf0d..0190889 100644
--- a/app/api/v1/public/__init__.py
+++ b/app/api/v1/public_api/__init__.py
@@ -2,9 +2,9 @@
 
 from fastapi import APIRouter
 
-from app.api.v1.public.imagine import router as imagine_router
-from app.api.v1.public.video import router as video_router
-from app.api.v1.public.voice import router as voice_router
+from app.api.v1.public_api.imagine import router as imagine_router
+from app.api.v1.public_api.video import router as video_router
+from app.api.v1.public_api.voice import router as voice_router
 
 router = APIRouter()
 
diff --git a/app/api/v1/public/imagine.py b/app/api/v1/public_api/imagine.py
similarity index 100%
rename from app/api/v1/public/imagine.py
rename to app/api/v1/public_api/imagine.py
diff --git a/app/api/v1/public/video.py b/app/api/v1/public_api/video.py
similarity index 100%
rename from app/api/v1/public/video.py
rename to app/api/v1/public_api/video.py
diff --git a/app/api/v1/public/voice.py b/app/api/v1/public_api/voice.py
similarity index 100%
rename from app/api/v1/public/voice.py
rename to app/api/v1/public_api/voice.py
diff --git a/main.py b/main.py
index 926d44e..c30905b 100644
--- a/main.py
+++ b/main.py
@@ -12,7 +12,14 @@ from pathlib import Path
 
 from dotenv import load_dotenv
 
-env_file = Path(__file__).parent / ".env"
+BASE_DIR = Path(__file__).resolve().parent
+APP_DIR = BASE_DIR / "app"
+
+# Ensure the project root is on sys.path (helps when Vercel sets a different CWD)
+if str(BASE_DIR) not in sys.path:
+    sys.path.insert(0, str(BASE_DIR))
+
+env_file = BASE_DIR / ".env"
 if env_file.exists():
     load_dotenv(env_file)
 
@@ -30,8 +37,8 @@ from app.api.v1.image import router as image_router  # noqa: E402
 from app.api.v1.files import router as files_router  # noqa: E402
 from app.api.v1.models import router as models_router  # noqa: E402
 from app.services.token import get_scheduler  # noqa: E402
-from app.api.v1.admin import router as admin_router
-from app.api.v1.public import router as public_router
+from app.api.v1.admin_api import router as admin_router
+from app.api.v1.public_api import router as public_router
 from app.api.pages import router as pages_router
 from fastapi.staticfiles import StaticFiles
 
@@ -118,7 +125,7 @@ def create_app() -> FastAPI:
     app.include_router(files_router, prefix="/v1/files")
 
     # 静态文件服务
-    static_dir = Path(__file__).parent / "app" / "static"
+    static_dir = APP_DIR / "static"
     if static_dir.exists():
         app.mount("/static", StaticFiles(directory=static_dir), name="static")