Update hands_on_tips.md

hands_on_tips.md

@@ -1,6 +1,7 @@
 # 2023/12/15 AWS LINE Business Card Workshop Hands-On Tips
 
-12/15 AWS x LINE BOT 雲端探險計畫 ☁︎
+12/15 AWS x LINE BOT 雲端探險計畫 ☁︎  
+[本次活動PPT](https://niuo365-my.sharepoint.com/:p:/g/personal/b0943005_365_niu_edu_tw/EYy4Udd48MxAvmK1zIH7aDUB_aA6oy28MP-4K8v3r0SMEQ?e=Zqd7S6)
 
 | Post | Post | LINE QRCODE |
 |:-:|:-:|:-:|
@@ -313,7 +314,7 @@ Enter Lambda Console:
 
 ### Edit your Lambda Function
 After you create Lambda Function successfully, you need to paste you code.  
-1. Scroll down and paset your code in code source.
+1. Scroll down and paste [`lambda_function.py`](https://github.com/1chooo/aws-line-business-card/blob/main/lambda_function.py) in code source.
 2. Click **Test**
 3. Customize your **Event name**
 4. Click **Save**