diff --git a/src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/UnityExtensions/Timer.cs b/src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/UnityExtensions/Timer.cs
index 0cf8539..c8b6d10 100644
--- a/src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/UnityExtensions/Timer.cs
+++ b/src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/UnityExtensions/Timer.cs
@@ -93,6 +93,9 @@ namespace Cysharp.Threading.Tasks.Linq
                 // return false instead of throw
                 if (disposed || cancellationToken.IsCancellationRequested) return CompletedTasks.False;
 
+                // reset value here.
+                this.elapsed = 0;
+
                 completionSource.Reset();
                 return new UniTask<bool>(this, completionSource.Version);
             }
@@ -121,7 +124,6 @@ namespace Cysharp.Threading.Tasks.Linq
                     if (elapsed >= dueTime)
                     {
                         dueTimePhase = false;
-                        elapsed = 0;
                         completionSource.TrySetResult(true);
                     }
                 }
@@ -135,7 +137,6 @@ namespace Cysharp.Threading.Tasks.Linq
 
                     if (elapsed >= period)
                     {
-                        elapsed = 0;
                         completionSource.TrySetResult(true);
                     }
                 }
@@ -196,6 +197,10 @@ namespace Cysharp.Threading.Tasks.Linq
                 // return false instead of throw
                 if (disposed || cancellationToken.IsCancellationRequested) return CompletedTasks.False;
 
+
+                // reset value here.
+                this.currentFrame = 0;
+
                 completionSource.Reset();
                 return new UniTask<bool>(this, completionSource.Version);
             }
@@ -220,11 +225,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
                 if (dueTimePhase)
                 {
-                    if (currentFrame++ == dueTimeFrameCount)
+                    if (currentFrame++ >= dueTimeFrameCount)
                     {
                         dueTimePhase = false;
                         completionSource.TrySetResult(true);
-                        currentFrame = 0;
                     }
                 }
                 else
@@ -235,10 +239,9 @@ namespace Cysharp.Threading.Tasks.Linq
                         return false;
                     }
 
-                    if (++currentFrame == periodFrameCount)
+                    if (++currentFrame >= periodFrameCount)
                     {
                         completionSource.TrySetResult(true);
-                        currentFrame = 0;
                     }
                 }
 
diff --git a/src/UniTask/Assets/Scenes/SandboxMain.cs b/src/UniTask/Assets/Scenes/SandboxMain.cs
index ff96818..9b94c40 100644
--- a/src/UniTask/Assets/Scenes/SandboxMain.cs
+++ b/src/UniTask/Assets/Scenes/SandboxMain.cs
@@ -145,11 +145,13 @@ public class SandboxMain : MonoBehaviour
 
         //StartCoroutine(cor);
 
+        // UniTaskAsyncEnumerable.EveryUpdate(PlayerLoopTiming.FixedUpdate)
 
-        // await UniTask.Yield(PlayerLoopTiming.EarlyUpdate);
+
+        await UniTask.Yield(PlayerLoopTiming.Update);
         Debug.Log("Start:" + Time.frameCount);
 
-        await UniTaskAsyncEnumerable.TimerFrame(3, 5, PlayerLoopTiming.LastPostLateUpdate).ForEachAsync(_ =>
+        await UniTaskAsyncEnumerable.TimerFrame(3, 5, PlayerLoopTiming.Update).ForEachAsync(_ =>
         {
             Debug.Log("Call:" + Time.frameCount);
         }, cancellationToken: this.GetCancellationTokenOnDestroy());