diff --git a/bot.py b/bot.py
index f2cc9164d..9148b7db5 100644
--- a/bot.py
+++ b/bot.py
@@ -1,6 +1,7 @@
 import os
 import shutil
 import nonebot
+import time
 from dotenv import load_dotenv
 from loguru import logger
 from nonebot.adapters.onebot.v11 import Adapter
@@ -114,6 +115,10 @@ def scan_provider(env_config: dict):
             raise ValueError(f"请检查 '{provider_name}' 提供商配置是否丢失 BASE_URL 或 KEY 环境变量")
 
 if __name__ == "__main__":
+    # 利用 TZ 环境变量设定程序工作的时区
+    # 仅保证行为一致，不依赖 localtime()，实际对生产环境几乎没有作用
+    time.tzset()
+
     easter_egg()
     init_config()
     init_env()
diff --git a/docker-compose.yml b/docker-compose.yml
index dd2650b23..16253883d 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,7 +2,7 @@ services:
   napcat:
     container_name: napcat
     environment:
-      - tz=Asia/Shanghai
+      - TZ=Asia/Shanghai
       - NAPCAT_UID=${NAPCAT_UID}
       - NAPCAT_GID=${NAPCAT_GID}
     ports:
@@ -19,7 +19,7 @@ services:
   mongodb:
     container_name: mongodb
     environment:
-      - tz=Asia/Shanghai
+      - TZ=Asia/Shanghai
     expose:
       - "27017"
     restart: always
@@ -31,7 +31,7 @@ services:
   maimbot:
     container_name: maimbot
     environment:
-      - tz=Asia/Shanghai
+      - TZ=Asia/Shanghai
     expose:
       - "8080"
     restart: always