diff --git a/g/os/gmlock/gmlock_unit_lock_test.go b/g/os/gmlock/gmlock_unit_lock_test.go
index 04665eed4..3e022b21c 100644
--- a/g/os/gmlock/gmlock_unit_lock_test.go
+++ b/g/os/gmlock/gmlock_unit_lock_test.go
@@ -16,7 +16,7 @@ import (
 
 func TestLocker_Lock_Unlock(t *testing.T) {
     gtest.Case(t, func() {
-        array := garray.New(0, 0, true)
+        array := garray.New(0, 0)
         go func() {
             gmlock.Lock("test")
             array.Append(1)
@@ -44,7 +44,7 @@ func TestLocker_Lock_Unlock(t *testing.T) {
 
 func TestLocker_Lock_Expire(t *testing.T) {
     gtest.Case(t, func() {
-        array := garray.New(0, 0, true)
+        array := garray.New(0, 0)
         go func() {
             gmlock.Lock("test", 50*time.Millisecond)
             array.Append(1)
@@ -64,7 +64,7 @@ func TestLocker_Lock_Expire(t *testing.T) {
 
 func TestLocker_TryLock_Expire(t *testing.T) {
     gtest.Case(t, func() {
-        array := garray.New(0, 0, true)
+        array := garray.New(0, 0)
         go func() {
             gmlock.Lock("test", 200*time.Millisecond)
             array.Append(1)
diff --git a/g/os/gmlock/gmlock_unit_rlock_test.go b/g/os/gmlock/gmlock_unit_rlock_test.go
index aa0f8f3be..a5eb25615 100644
--- a/g/os/gmlock/gmlock_unit_rlock_test.go
+++ b/g/os/gmlock/gmlock_unit_rlock_test.go
@@ -16,7 +16,7 @@ import (
 
 func TestLocker_RLock1(t *testing.T) {
     gtest.Case(t, func() {
-        array := garray.New(0, 0, true)
+        array := garray.New(0, 0)
         go func() {
             gmlock.RLock("test")
             array.Append(1)
@@ -39,7 +39,7 @@ func TestLocker_RLock1(t *testing.T) {
 
 func TestLocker_RLock2(t *testing.T) {
     gtest.Case(t, func() {
-        array := garray.New(0, 0, true)
+        array := garray.New(0, 0)
         go func() {
             gmlock.Lock("test")
             array.Append(1)
diff --git a/geg/os/gcron/gcron.go b/geg/os/gcron/gcron1.go
similarity index 100%
rename from geg/os/gcron/gcron.go
rename to geg/os/gcron/gcron1.go
diff --git a/geg/os/gcron/gcron2.go b/geg/os/gcron/gcron2.go
new file mode 100644
index 000000000..2fb94b66e
--- /dev/null
+++ b/geg/os/gcron/gcron2.go
@@ -0,0 +1,17 @@
+package main
+
+import (
+    "gitee.com/johng/gf/g/os/gcron"
+    "gitee.com/johng/gf/g/os/glog"
+    "time"
+)
+
+func main() {
+    cron := gcron.New()
+    glog.Println("start")
+    cron.DelayAddOnce(1, "* * * * * *", func() {
+        glog.Println("run")
+    })
+
+    time.Sleep(10*time.Second)
+}
\ No newline at end of file