diff --git a/MultiThreadingStudy.xUnitTest/ThreadTest.cs b/MultiThreadingStudy.xUnitTest/ThreadTest.cs
new file mode 100644
index 0000000..2d786fa
--- /dev/null
+++ b/MultiThreadingStudy.xUnitTest/ThreadTest.cs
@@ -0,0 +1,60 @@
+using Xunit.Abstractions;
+
+namespace MultiThreadingStudy.xUnitTest
+{
+    public class ThreadTest:IDisposable
+    {
+        private readonly ITestOutputHelper _output;
+
+        public ThreadTest(ITestOutputHelper testOutput)
+        {
+            _output = testOutput;
+        }
+
+        /// <summary>
+        ///  测试方法的启动线程为后台线程
+        ///  结论：在测试方法中新启动的线程(即使设置成前台线程)，默认情况下，不能阻止单元测试方法的执行结束。
+        ///        测试方法很可能先于新启动的线程结束运行，造成新线程没有执行完就随着测试方法线程结束而结束。
+        /// </summary>
+        [Fact]
+        public void TestRunThread_Test()
+        {
+            _output.WriteLine($"主线程Id={Thread.CurrentThread.ManagedThreadId}, 是否后台线程={Thread.CurrentThread.IsBackground}");
+
+            //断言：测试的启动线程为后台线程
+            Assert.True( Thread.CurrentThread.IsBackground);
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        [Fact]
+        public void Test1()
+        {
+            _output.WriteLine($"主线程Id={Thread.CurrentThread.ManagedThreadId}, 是否后台线程={Thread.CurrentThread.IsBackground}");
+
+
+            Thread t = new Thread(() =>
+            {
+                _output.WriteLine($"新线程Id={Thread.CurrentThread.ManagedThreadId}, 新线程名称={Thread.CurrentThread.Name}");
+
+                _output.WriteLine($"{Thread.CurrentThread.Name} 新线程，开始休眠");
+                Thread.Sleep(100);
+                _output.WriteLine($"{Thread.CurrentThread.Name} 新线程从休眠中唤醒，执行结束！");
+            })
+            { 
+                Name = "FirstThread",
+                Priority = ThreadPriority.Normal,
+                IsBackground = false,
+            };
+
+            t.Start();
+            t.Join();
+        }
+
+        public void Dispose()
+        {
+           
+        }
+    }
+}
\ No newline at end of file
diff --git a/MultiThreadingStudy.xUnitTest/UnitTest1.cs b/MultiThreadingStudy.xUnitTest/UnitTest1.cs
deleted file mode 100644
index 22d3b78..0000000
--- a/MultiThreadingStudy.xUnitTest/UnitTest1.cs
+++ /dev/null
@@ -1,11 +0,0 @@
-namespace MultiThreadingStudy.xUnitTest
-{
-    public class UnitTest1
-    {
-        [Fact]
-        public void Test1()
-        {
-
-        }
-    }
-}
\ No newline at end of file
diff --git a/MultiThreadingStudy.xUnitTest/UseXunit.cs b/MultiThreadingStudy.xUnitTest/UseXunit.cs
new file mode 100644
index 0000000..79b14b9
--- /dev/null
+++ b/MultiThreadingStudy.xUnitTest/UseXunit.cs
@@ -0,0 +1,25 @@
+using Xunit.Abstractions;
+
+namespace MultiThreadingStudy.xUnitTest
+{
+    public class UseXunit:IDisposable
+    {
+        private readonly ITestOutputHelper _output;
+
+        public UseXunit(ITestOutputHelper testOutput) 
+        {
+            _output = testOutput;
+        }
+
+        [Fact]
+        public void Test1()
+        {
+            _output.WriteLine("使用 xUnit 日志");
+        }
+
+        public void Dispose()
+        {
+           
+        }
+    }
+}
\ No newline at end of file
diff --git a/MultiThreadingStudy.xUnitTest/Usings.cs b/MultiThreadingStudy.xUnitTest/Usings.cs
index 8c927eb..2dfbf26 100644
--- a/MultiThreadingStudy.xUnitTest/Usings.cs
+++ b/MultiThreadingStudy.xUnitTest/Usings.cs
@@ -1 +1,5 @@
-global using Xunit;
\ No newline at end of file
+global using Xunit;
+
+global using System.Threading;
+global using System.Threading.Channels;
+global using System.Threading.Tasks;
\ No newline at end of file