diff --git a/文本处理工具/剪贴板文本整理_mathpix.ipynb b/文本处理工具/剪贴板文本整理_mathpix.ipynb
index 7e9f39fa..63ccb6ab 100644
--- a/文本处理工具/剪贴板文本整理_mathpix.ipynb
+++ b/文本处理工具/剪贴板文本整理_mathpix.ipynb
@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 11,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -280,6 +280,7 @@
     "    text1 = re.sub(r\"\\s*\\\\bracket\\{20\\}\\s*\\n\",r\"\\\\bracket{20}.\\n\",text1)\n",
     "    #改非规范选择题\n",
     "    text1 = re.sub(r\"[\\.;]\\}\",\"}\",text1)\n",
+    "    text1 = re.sub(r\"([\\u4e00-\\u9fa5])[\\s]+([\\d]{1,6})[\\s]+([\\u4e00-\\u9fa5])\",lambda x:x.group(1)+\"$\"+x.group(2)+\"$\"+x.group(3),text1)\n",
     "    modified_texts.append(text1)\n",
     "    \n",
     "\n",
@@ -358,6 +359,9 @@
     "modified_data = re.sub(r\"\\$\\(\\s*\\)\\$\",r\"\\\\bracket{20}\",modified_data)\n",
     "modified_data = re.sub(r\"([\\u4e00-\\u9fa5\\$])[\\s]*\\n\\\\fourch\",lambda x: x.group(1)+\"\\\\bracket{20}.\\n\\\\fourch\",modified_data)\n",
     "\n",
+    "#改圆弧\n",
+    "modified_data = re.sub(r\"overparen\",r\"overset\\\\frown\",modified_data)\n",
+    "\n",
     "setCopy(modified_data)\n",
     "\n",
     "with open(\"临时文件/outputfile.txt\",\"w\",encoding = \"utf8\") as f:\n",