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 efcf8624..2ff64bfb 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": 15,
+   "execution_count": 5,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -235,6 +235,9 @@
     "#删除\\quad\n",
     "data = re.sub(r\"\\\\q+uad\",\"\",data)\n",
     "\n",
+    "#删除~\n",
+    "data = re.sub(r\"~\",\"\",data)\n",
+    "\n",
     "\n",
     "\n",
     "data1 = data #替换后暂存data1\n",
@@ -287,7 +290,8 @@
     "        equation1 = re.sub(r\"([0-9A-Z])\\s+([0-9A-Z])\",lambda x:x.group(1)+x.group(2),equation1)\n",
     "    #改变组合数和排列数\n",
     "    equation1 = re.sub(r\"([CP])(_[^_\\^]{,5}\\^)\",lambda x:r\"\\mathrm{\"+x.group(1)+\"}\"+x.group(2),equation1)\n",
-    "    \n",
+    "    #改单位\n",
+    "    equation1 = re.sub(r\"mathrm\\{cm\\}\",\"text{cm}\",equation1)\n",
     "    modified_equations.append(equation1)\n",
     "\n",
     "\n",
@@ -315,8 +319,10 @@
     "    modified_data = re.sub(r\" \\$\",\"$\",modified_data)\n",
     "#mathpix的错别字修改\n",
     "modified_data = modified_data.replace(\"雉\",\"锥\")\n",
-    "modified_data = modified_data.replace(\"粗圆\",\"椭圆\")\n",
+    "modified_data = re.sub(\"[粗秿]圆\",\"椭圆\",modified_data)\n",
     "modified_data = modified_data.replace(\"针角\",\"钝角\")\n",
+    "modified_data = re.sub(\"投郑\",\"投掷\",modified_data)\n",
+    "modified_data = re.sub(\"抛郑\",\"抛掷\",modified_data)\n",
     "#mathpix的自由向量修改\n",
     "modified_data = modified_data.replace(r\"\\vec\",r\"\\overrightarrow \")\n",
     "modified_data = modified_data.replace(r\"\\bar\",r\"\\overline \")\n",
@@ -341,6 +347,9 @@
     "modified_data = re.sub(r\"\\\\{\\\\begin\\{array\\}\\{[rcl]*\\}\",r\"\\\\begin{cases}\",modified_data)\n",
     "modified_data = re.sub(r\"\\\\end{array}\",r\"\\\\end{cases}\",modified_data)\n",
     "\n",
+    "#冒号后加空格\n",
+    "modified_data = re.sub(r\":([\\S])\", lambda x:\": \"+x.group(1),modified_data)\n",
+    "\n",
     "#识别填空题加空格\n",
     "modified_data = re.sub(r\"([\\u4e00-\\u9fa5\\$])[\\s]*\\n\\\\item\",lambda x: x.group(1)+\"\\\\blank{50}.\\n\\\\item\",modified_data)\n",
     "\n",
@@ -378,12 +387,12 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.15"
+   "version": "3.8.15"
   },
   "orig_nbformat": 4,
   "vscode": {
    "interpreter": {
-    "hash": "ff3c292c316ba85de6f1ad75f19c731e79d694e741b6f515ec18f14996fe48dc"
+    "hash": "42dd566da87765ddbe9b5c5b483063747fec4aacc5469ad554706e4b742e67b2"
    }
   }
  },