diff --git a/os/gfile/gfile_z_example_cache_test.go b/os/gfile/gfile_z_example_cache_test.go
index f7939a960..44227796e 100644
--- a/os/gfile/gfile_z_example_cache_test.go
+++ b/os/gfile/gfile_z_example_cache_test.go
@@ -4,10 +4,12 @@ import (
 	"fmt"
 	"time"
 
+	"github.com/gogf/gf/v2/internal/intlog"
 	"github.com/gogf/gf/v2/os/gfile"
 )
 
 func ExampleGetContentsWithCache() {
+	intlog.SetEnabled(false)
 	// init
 	fileName := "123.txt"
 	tempDir := gfile.TempDir("gfile_example_cache")
@@ -32,6 +34,8 @@ func ExampleGetContentsWithCache() {
 	// write new contents will clear its cache
 	gfile.PutContents(tempFile, "new test contents")
 
+	time.Sleep(time.Second * 1)
+
 	// read contents
 	content2 := gfile.GetContentsWithCache(tempFile)
 	fmt.Println(content2)