diff --git a/Layerfile b/Layerfile
index 66325cc..3c6b7ca 100644
--- a/Layerfile
+++ b/Layerfile
@@ -1,6 +1,6 @@
-FROM vm/ubuntu:18.04
+FROM vm/ubuntu:22.04
 
-RUN apt-get update && apt-get install python3.8 python3-pip
+RUN apt-get update && apt-get install python3.11 python3-pip
 
 COPY . .
 RUN pip3 install poetry==1.8.2 && poetry install
diff --git a/main.py b/main.py
index fa75272..5466615 100644
--- a/main.py
+++ b/main.py
@@ -58,7 +58,7 @@ def daily_login(ptt_id: str, ptt_passwd: str):
     else:
         user = ptt.get_user(ptt_id)
         text = f"✅ PTT {ptt_id} 已成功簽到\n"
-        text += f'📆 已登入 {user.get('login_count')} 天\n'
+        text += f"📆 已登入 {user.get('login_count')} 天\n"
         text += "📫 " + user.get("mail") + "\n"
 
         now: datetime = datetime.now(tz)