diff --git a/app/api/v1/endpoints/user.py b/app/api/v1/endpoints/user.py
index e9f619b..437f360 100644
--- a/app/api/v1/endpoints/user.py
+++ b/app/api/v1/endpoints/user.py
@@ -41,10 +41,10 @@ async def update_current_user(
                 f.write(await avatar_file.read())
 
             # 生成 URL 路径
-            avatar_url = f"/app/static/avatar/{unique_filename}"
+            avatar_url = f"/static/avatar/{unique_filename}"
 
             # 删除旧的头像文件
-            if db_user.avatar and db_user.avatar != "/app/static/avatar/default.png":
+            if db_user.avatar and db_user.avatar != "/static/avatar/default.png":
                 old_avatar_path = db_user.avatar.lstrip("/")  # 去掉开头的斜杠
                 if os.path.exists(old_avatar_path):
                     os.remove(old_avatar_path)
diff --git a/app/curd/user.py b/app/curd/user.py
index 0a42ede..6545c34 100644
--- a/app/curd/user.py
+++ b/app/curd/user.py
@@ -9,7 +9,7 @@ async def get_user_by_email(db: AsyncSession, email: str):
     return result.scalar_one_or_none()
 
 async def create_user(db: AsyncSession, email: str, username: str, hashed_password: str):
-    new_user = User(email=email, username=username, password=hashed_password, avatar="/app/static/avatar/default.png")
+    new_user = User(email=email, username=username, password=hashed_password, avatar="/static/avatar/default.png")
     db.add(new_user)
     await db.commit()
     await db.refresh(new_user)
diff --git a/app/main.py b/app/main.py
index 840f0ba..e4e1c3c 100644
--- a/app/main.py
+++ b/app/main.py
@@ -3,6 +3,7 @@
 from fastapi_pagination import add_pagination
 from loguru import logger
 from fastapi.middleware.cors import CORSMiddleware
+from fastapi.staticfiles import StaticFiles
 
 app = FastAPI()
 
@@ -37,4 +38,7 @@ async def log_requests(request: Request, call_next):
     allow_credentials=True,                  # 允许发送凭据（如 Cookies 或 Authorization 头）
     allow_methods=["*"],                     # 允许的 HTTP 方法
     allow_headers=["*"],                     # 允许的请求头
-)
\ No newline at end of file
+)
+
+# 挂载静态文件目录
+app.mount("/static", StaticFiles(directory="app/static"), name="static")
\ No newline at end of file