diff --git a/Docs/多语言笔记.7.1.运行xUnit单元测试.ipynb b/Docs/多语言笔记.7.1.运行xUnit单元测试.ipynb
index 1c4ccb2..1bf7f3b 100644
--- a/Docs/多语言笔记.7.1.运行xUnit单元测试.ipynb
+++ b/Docs/多语言笔记.7.1.运行xUnit单元测试.ipynb
@@ -14,7 +14,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## 全局设置"
+    "## 1、引入必要的NuGet包到.NET Interactive环境中"
    ]
   },
   {
@@ -34,9 +34,89 @@
     "#i \"https://api.nuget.org/v3/index.json\"\n",
     "\n",
     "//Nuget 包引用\n",
-    "//#r \"nuget: Microsoft.DotNet.Interactive.ExtensionLab,*-*\"\n",
+    "#r \"nuget:xunit\"\n",
+    "#r \"nuget:xunit.runner.visualstudio\"\n",
+    "#r \"nuget:xunit.runner.console\""
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## 2、定义测试类和测试方法"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "dotnet_interactive": {
+     "language": "csharp"
+    },
+    "polyglot_notebook": {
+     "kernelName": "csharp"
+    }
+   },
+   "outputs": [],
+   "source": [
+    "using Xunit;\n",
+    "\n",
+    "public class CalculatorTests\n",
+    "{\n",
+    "    [Fact]\n",
+    "    public void Add_ReturnsCorrectSum()\n",
+    "    {\n",
+    "        var calculator = new Calculator();\n",
+    "        var result = calculator.Add(2, 2);\n",
+    "        Assert.Equal(4, result);\n",
+    "    }\n",
+    "\n",
+    "    [Fact]\n",
+    "    public void Subtract_ReturnsCorrectDifference()\n",
+    "    {\n",
+    "        var calculator = new Calculator();\n",
+    "        var result = calculator.Subtract(5, 3);\n",
+    "        Assert.Equal(2, result);\n",
+    "    }\n",
+    "}\n",
+    "\n",
+    "public class Calculator\n",
+    "{\n",
+    "    public int Add(int x, int y) => x + y;\n",
+    "    public int Subtract(int x, int y) => x - y;\n",
+    "}\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## 3、执行测试并获取结果。在.NET Interactive中，直接运行xUnit测试并不像在Visual Studio或通过命令行那样直接。你需要手动实例化测试类并调用测试方法，或者使用反射来自动发现和执行测试方法。以下是一个简化的例子，展示如何手动执行测试方法并输出结果。"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "dotnet_interactive": {
+     "language": "csharp"
+    },
+    "polyglot_notebook": {
+     "kernelName": "csharp"
+    }
+   },
+   "outputs": [],
+   "source": [
+    "// 手动执行测试方法\n",
+    "var calculatorTests = new CalculatorTests();\n",
+    "\n",
+    "// 执行Add_ReturnsCorrectSum测试\n",
+    "calculatorTests.Add_ReturnsCorrectSum();\n",
+    "\n",
+    "// 执行Subtract_ReturnsCorrectDifference测试\n",
+    "calculatorTests.Subtract_ReturnsCorrectDifference();\n",
     "\n",
-    "//全局变量"
+    "Console.WriteLine(\"Tests executed successfully.\");\n"
    ]
   }
  ],