update compose.yml to mount system time and tz

compose.yml

@@ -12,3 +12,5 @@ services:
       - "11451:11451" # optional, gewechat default port
     volumes:
       - ./data:/AstrBot/data
+      - /etc/timezone:/etc/timezone:ro
+      - /etc/localtime:/etc/localtime:ro

packages/astrbot/main.py

@@ -1098,8 +1098,9 @@ UID: {user_id} 此 ID 可用于设置管理员。
             req.prompt = user_info + req.prompt
 
         if self.enable_datetime:
+            # Including timezone
             current_time = (
-                datetime.datetime.now().astimezone().strftime("%Y-%m-%d %H:%M")
+                datetime.datetime.now().astimezone().strftime("%Y-%m-%d %H:%M (%Z)")
             )
             req.system_prompt += f"\nCurrent datetime: {current_time}\n"