diff --git a/README.md b/README.md
index f273969..1a050cc 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 # 仓库描述
 这个代码仓库是一个利用[playwright](https://playwright.dev/)的爬虫程序
-可以准确地爬取小红书、抖音的笔记、评论等信息，大概原理是：利用playwright登录成功后，保留登录成功后的上下文浏览器环境，通过上下文浏览器环境执行JS表达式获取一些加密参数，再使用python的httpx发起异步请求，相当于使用Playwright搭桥，免去了复现核心加密JS代码，逆向难度大大降低。
+可以准确地爬取小红书、抖音的笔记、评论等信息，原理是：利用playwright登录成功后，保留登录成功后的上下文浏览器环境，通过上下文浏览器环境执行JS表达式获取一些加密参数，再使用python的httpx发起异步请求，相当于使用Playwright搭桥，免去了复现核心加密JS代码，逆向难度大大降低。
 
 
 ## 主要功能
diff --git a/utils.py b/utils.py
index afd6521..9ca4121 100644
--- a/utils.py
+++ b/utils.py
@@ -1,12 +1,9 @@
-import json
-import time
-import base64
 import random
-import hashlib
+import base64
 from io import BytesIO
 from typing import Optional, Dict, List, Tuple
 
-from PIL import Image
+from PIL import Image, ImageDraw
 from playwright.async_api import Cookie
 from playwright.async_api import Page
 
@@ -30,7 +27,14 @@ def show_qrcode(qr_code: str):
     qr_code = qr_code.split(",")[1]
     qr_code = base64.b64decode(qr_code)
     image = Image.open(BytesIO(qr_code))
-    image.show()
+
+    # Add a square border around the QR code and display it within the border to improve scanning accuracy.
+    width, height = image.size
+    new_image = Image.new('RGB', (width + 20, height + 20), color=(255, 255, 255))
+    new_image.paste(image, (10, 10))
+    draw = ImageDraw.Draw(new_image)
+    draw.rectangle((0, 0, width + 19, height + 19), outline=(0, 0, 0), width=1)
+    new_image.show()
 
 
 def get_user_agent() -> str: