diff --git a/pkg/mock/time.go b/pkg/mock/time.go
index ef3214b..afea81f 100644
--- a/pkg/mock/time.go
+++ b/pkg/mock/time.go
@@ -14,7 +14,6 @@ import (
 	"time"
 )
 
-// TODO(chef): [feat] 增加Clock::Sleep，内部用Timer实现等待
 // TODO(chef): [feat] 增加Clock::NewTicker
 
 type Clock interface {
@@ -24,6 +23,7 @@ type Clock interface {
 	//
 	Now() time.Time
 	NewTimer(d time.Duration) *Timer
+	Sleep(d time.Duration)
 
 	// Add Set ...
 	//
@@ -59,6 +59,10 @@ func (c *stdClock) NewTimer(d time.Duration) *Timer {
 	}
 }
 
+func (c *stdClock) Sleep(d time.Duration) {
+	time.Sleep(d)
+}
+
 func (c *stdClock) Add(d time.Duration) {
 	// noop
 }
@@ -95,6 +99,11 @@ func (fc *fakeClock) NewTimer(d time.Duration) *Timer {
 	return t
 }
 
+func (fc *fakeClock) Sleep(d time.Duration) {
+	// TODO(chef): [feat] 实现和add、set挂钩的Sleep，内部用Timer实现等待
+	// 当前的使用场景都是测试场景，直接快速跳过Sleep以及能够满足需求
+}
+
 func (fc *fakeClock) Add(d time.Duration) {
 	fc.mu.Lock()
 	fc.now = fc.now.Add(d)
diff --git a/pkg/nazalog/log_test.go b/pkg/nazalog/log_test.go
index 3304041..55c8f30 100644
--- a/pkg/nazalog/log_test.go
+++ b/pkg/nazalog/log_test.go
@@ -135,9 +135,11 @@ func TestRotate(t *testing.T) {
 
 	now := time.Now()
 	nazalog.Clock = mock.NewFakeClock()
+	defer func() {
+		nazalog.Clock = mock.NewStdClock()
+	}()
 	nazalog.Clock.Set(now.Add(48 * time.Hour))
 	nazalog.Info("bbb")
-	nazalog.Clock = mock.NewStdClock()
 }
 
 func TestPanic(t *testing.T) {