diff --git a/packages/nonebot-adapter-feishu/nonebot/adapters/feishu/bot.py b/packages/nonebot-adapter-feishu/nonebot/adapters/feishu/bot.py
index 8f34dbc3..22756ab9 100644
--- a/packages/nonebot-adapter-feishu/nonebot/adapters/feishu/bot.py
+++ b/packages/nonebot-adapter-feishu/nonebot/adapters/feishu/bot.py
@@ -1,6 +1,8 @@
 import json
 import httpx
 
+from aiocache import cached, Cache
+from aiocache.serializers import PickleSerializer
 from typing import Any, Dict, Tuple, Union, Optional, TYPE_CHECKING
 
 from nonebot.log import logger
@@ -195,7 +197,10 @@ class Bot(BaseBot):
     def _construct_url(self, path: str) -> str:
         return self.api_root + path
 
-    #TODO:实现token缓存与ttl
+    @cached(ttl=60 * 60,
+            cache=Cache.MEMORY,
+            key="_feishu_tenant_access_token",
+            serializer=PickleSerializer())
     async def _fetch_tenant_access_token(self) -> str:
         try:
             async with httpx.AsyncClient() as client:
diff --git a/packages/nonebot-adapter-feishu/poetry.lock b/packages/nonebot-adapter-feishu/poetry.lock
index 77323e08..15b8f951 100644
--- a/packages/nonebot-adapter-feishu/poetry.lock
+++ b/packages/nonebot-adapter-feishu/poetry.lock
@@ -1,3 +1,22 @@
+[[package]]
+name = "aiocache"
+version = "0.11.1"
+description = "multi backend asyncio cache"
+category = "main"
+optional = false
+python-versions = "*"
+
+[package.extras]
+dev = ["asynctest (>=0.11.0)", "codecov", "coverage", "flake8", "ipdb", "marshmallow", "pystache", "pytest", "pytest-asyncio", "pytest-mock", "sphinx", "sphinx-autobuild", "sphinx-rtd-theme", "black"]
+memcached = ["aiomcache (>=0.5.2)"]
+msgpack = ["msgpack (>=0.5.5)"]
+redis = ["aioredis (>=0.3.3)", "aioredis (>=1.0.0)"]
+
+[package.source]
+type = "legacy"
+url = "https://mirrors.aliyun.com/pypi/simple"
+reference = "aliyun"
+
 [[package]]
 name = "certifi"
 version = "2021.5.30"
@@ -432,9 +451,13 @@ reference = "aliyun"
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7.3"
-content-hash = "fbc5c896e785a9b9c948ec9f20d5d795684bc0f839bd31b10812c9dc52adb75b"
+content-hash = "8cb6803a739721f108b5d43f0633275f26a97c6486eb67cdb9346f369a5182ee"
 
 [metadata.files]
+aiocache = [
+    {file = "aiocache-0.11.1-py2.py3-none-any.whl", hash = "sha256:e55c7caaa5753794fd301c3a2e592737fa1d036db9f8d04ae154facdfb48a157"},
+    {file = "aiocache-0.11.1.tar.gz", hash = "sha256:f2ebe0b05cec45782e7b5ea0bb74640f157dd4bb1028b4565364dda9fe33be7f"},
+]
 certifi = [
     {file = "certifi-2021.5.30-py2.py3-none-any.whl", hash = "sha256:50b1e4f8446b06f41be7dd6338db18e0990601dce795c2b1686458aa7e8fa7d8"},
     {file = "certifi-2021.5.30.tar.gz", hash = "sha256:2bbf76fd432960138b3ef6dda3dde0544f27cbf8546c458e60baf371917ba9ee"},
diff --git a/packages/nonebot-adapter-feishu/pyproject.toml b/packages/nonebot-adapter-feishu/pyproject.toml
index 73e731bb..86536fa1 100644
--- a/packages/nonebot-adapter-feishu/pyproject.toml
+++ b/packages/nonebot-adapter-feishu/pyproject.toml
@@ -27,6 +27,7 @@ python = "^3.7.3"
 httpx = "^0.17.0"
 nonebot2 = "^2.0.0-alpha.13"
 pycryptodome = "^3.10.1"
+aiocache = "^0.11.1"
 
 [tool.poetry.dev-dependencies]
 nonebot2 = { path = "../../", develop = true }