diff --git a/g/os/gcron/gcron_unit_1_test.go b/g/os/gcron/gcron_unit_1_test.go
index 01072f05f..ff86385b5 100644
--- a/g/os/gcron/gcron_unit_1_test.go
+++ b/g/os/gcron/gcron_unit_1_test.go
@@ -39,14 +39,14 @@ func TestCron_Add_Close(t *testing.T) {
         gtest.AssertNE(err3, nil)
         gtest.Assert(err4, nil)
         gtest.Assert(cron.Size(), 3)
-        time.Sleep(1100*time.Millisecond)
+        time.Sleep(1200*time.Millisecond)
         gtest.Assert(array.Len(), 2)
-        time.Sleep(1100*time.Millisecond)
+        time.Sleep(1200*time.Millisecond)
         gtest.Assert(array.Len(), 5)
         cron.Close()
-        time.Sleep(1100*time.Millisecond)
+        time.Sleep(1200*time.Millisecond)
         fixedLength := array.Len()
-        time.Sleep(1100*time.Millisecond)
+        time.Sleep(1200*time.Millisecond)
         gtest.Assert(array.Len(), fixedLength)
     })
 }