diff --git a/main.py b/main.py
index 3cef117..a5f94c2 100644
--- a/main.py
+++ b/main.py
@@ -70,6 +70,8 @@ async def global_auth(request: Request):
 
 app = FastAPI()
 
+access_tokens = []
+
 def generate_access_token(username: str, password: str) -> str:
     """
     根据用户名和密码生成JWT access token
@@ -100,7 +102,10 @@ def generate_access_token(username: str, password: str) -> str:
     }
     
     # 生成并返回JWT token
-    return jwt.encode(payload, SECRET_KEY, algorithm=ALGORITHM)
+    token = jwt.encode(payload, SECRET_KEY, algorithm=ALGORITHM)
+    access_tokens.append(token)
+
+    return token