diff --git "a/009-\344\270\215\350\277\275\350\270\252Output.ipynb" "b/009-\344\270\215\350\277\275\350\270\252Output.ipynb"
new file mode 100644
index 0000000000000000000000000000000000000000..639d398f1ad0cc9fa38861b0a160173c1d1524ce
--- /dev/null
+++ "b/009-\344\270\215\350\277\275\350\270\252Output.ipynb"
@@ -0,0 +1,72 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## 如何让 Git 不在追踪 `ipynb` 文件中的 Output\n",
+    "\n",
+    "参考 https://github.com/jupyterlab/jupyterlab-git/issues/392  中提到的 youtube 视频介绍，在 notebook 与 git 的配合使用过程中，可以通过 `nbstripout` 和 `nbconvert` 两个插件搭配使用，在 git 中添加一个过滤器，确保 git 只跟踪 input 的变化，而忽略 output 的变化\n",
+    "\n",
+    "具体步骤：\n",
+    "\n",
+    "1. pip install nbstripout\n",
+    "2. pip install nbconvert\n",
+    "3. 启动 nbstripout `nbstripout --install`\n",
+    "4. git add files\n",
+    "5. git commit files\n",
+    "6. git push files"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "!pip install nbstripout nbconvert"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "!nbstripout --install"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "!python -v"
+   ]
+  }
+ ],
+ "metadata": {
+  "interpreter": {
+   "hash": "aee8b7b246df8f9039afb4144a1f6fd8d2ca17a180786b69acc140d282b71a49"
+  },
+  "kernelspec": {
+   "display_name": "Python 3.9.1 64-bit",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.9.1"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}