diff --git a/GFramework.Core.Tests/Coroutine/CoroutineSchedulerTests.cs b/GFramework.Core.Tests/Coroutine/CoroutineSchedulerTests.cs
index 08b0fb8a..991180e3 100644
--- a/GFramework.Core.Tests/Coroutine/CoroutineSchedulerTests.cs
+++ b/GFramework.Core.Tests/Coroutine/CoroutineSchedulerTests.cs
@@ -610,28 +610,3 @@ public class CoroutineSchedulerTests
         throw new InvalidOperationException("Test exception");
     }
 }
-
-/// <summary>
-///     测试用时间源类，实现ITimeSource接口
-/// </summary>
-public class TestTimeSource : ITimeSource
-{
-    /// <summary>
-    ///     获取当前时间
-    /// </summary>
-    public double CurrentTime { get; private set; }
-
-    /// <summary>
-    ///     获取时间增量
-    /// </summary>
-    public double DeltaTime { get; private set; }
-
-    /// <summary>
-    ///     更新时间源状态
-    /// </summary>
-    public void Update()
-    {
-        DeltaTime = 0.1;
-        CurrentTime += DeltaTime;
-    }
-}
diff --git a/GFramework.Core.Tests/Coroutine/TestTimeSource.cs b/GFramework.Core.Tests/Coroutine/TestTimeSource.cs
new file mode 100644
index 00000000..a7d9a185
--- /dev/null
+++ b/GFramework.Core.Tests/Coroutine/TestTimeSource.cs
@@ -0,0 +1,28 @@
+using GFramework.Core.Abstractions.Coroutine;
+
+namespace GFramework.Core.Tests.Coroutine;
+
+/// <summary>
+///     为协程测试提供固定时间步长的时间源。
+/// </summary>
+public class TestTimeSource : ITimeSource
+{
+    /// <summary>
+    ///     获取当前累计时间。
+    /// </summary>
+    public double CurrentTime { get; private set; }
+
+    /// <summary>
+    ///     获取最近一次更新产生的时间增量。
+    /// </summary>
+    public double DeltaTime { get; private set; }
+
+    /// <summary>
+    ///     按固定步长推进测试时间，确保调度器测试具有确定性。
+    /// </summary>
+    public void Update()
+    {
+        DeltaTime = 0.1;
+        CurrentTime += DeltaTime;
+    }
+}