diff --git a/go.mod b/go.mod
index 5e25e68..df01546 100644
--- a/go.mod
+++ b/go.mod
@@ -16,7 +16,7 @@ require (
 	github.com/satori/go.uuid v1.2.0
 	github.com/tickstep/aliyunpan-api v0.1.1
 	github.com/tickstep/bolt v1.3.3
-	github.com/tickstep/library-go v0.0.5
+	github.com/tickstep/library-go v0.0.6
 	github.com/urfave/cli v1.21.1-0.20190817182405-23c83030263f
 	golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a
 	golang.org/x/net v0.0.0-20210614182718-04defd469f4e
diff --git a/go.sum b/go.sum
index 4ac6460..5852e73 100644
--- a/go.sum
+++ b/go.sum
@@ -71,8 +71,9 @@ github.com/tickstep/aliyunpan-api v0.1.1 h1:MRxKpCDhLigoHJANAVXq1K7QphwRGWz+GycD
 github.com/tickstep/aliyunpan-api v0.1.1/go.mod h1:ZFtMpbmVPM6+zWRTQ7QHw6xzwN/WTm3zaxQjFZ54UAA=
 github.com/tickstep/bolt v1.3.3 h1:3abb88T5JJocnBlYTJE3EqKvwWV6+D/JZD2Fsdt1QHI=
 github.com/tickstep/bolt v1.3.3/go.mod h1:Y24RwCywbOsKAyHiVcJ4K2QQfED+q67x7PEOH9OG7Q4=
-github.com/tickstep/library-go v0.0.5 h1:MBb1tsvs4Wi67zy0E9eobVWLgsfPRLsqKAEdSEi3LBE=
 github.com/tickstep/library-go v0.0.5/go.mod h1:egoK/RvOJ3Qs2tHpkq374CWjhNjI91JSCCG1GrhDYSw=
+github.com/tickstep/library-go v0.0.6 h1:JkKT2C1RLY6fpH5/vrnhV4pnu1sZS0VhgvJLDYbt608=
+github.com/tickstep/library-go v0.0.6/go.mod h1:egoK/RvOJ3Qs2tHpkq374CWjhNjI91JSCCG1GrhDYSw=
 github.com/urfave/cli v1.21.1-0.20190817182405-23c83030263f h1:xKDKjIsL76VUyHcA0G4Qe1cIAUB/nrq6Pt8D411bd1g=
 github.com/urfave/cli v1.21.1-0.20190817182405-23c83030263f/go.mod h1:qXyCeJubPqsgeiLd3kvHOGHHSrQcNdjZ2ScXIcVZK/I=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
diff --git a/internal/functions/statistic.go b/internal/functions/statistic.go
index c50a951..71d0d16 100644
--- a/internal/functions/statistic.go
+++ b/internal/functions/statistic.go
@@ -14,7 +14,6 @@
 package functions
 
 import (
-	"github.com/tickstep/library-go/expires"
 	"sync/atomic"
 	"time"
 )
@@ -36,9 +35,8 @@ func (s *Statistic) TotalSize() int64 {
 
 func (s *Statistic) StartTimer() {
 	s.startTime = time.Now()
-	expires.StripMono(&s.startTime)
 }
 
 func (s *Statistic) Elapsed() time.Duration {
 	return time.Now().Sub(s.startTime)
-}
\ No newline at end of file
+}