diff --git a/container/garray/garray_z_example_test.go b/container/garray/garray_z_example_test.go
index cca19b0da..1b8a03f82 100644
--- a/container/garray/garray_z_example_test.go
+++ b/container/garray/garray_z_example_test.go
@@ -13,7 +13,7 @@ import (
 	"github.com/gogf/gf/container/garray"
 )
 
-func Example_Basic() {
+func Example_basic() {
 	// A normal array.
 	a := garray.New()
 
@@ -72,7 +72,7 @@ func Example_Basic() {
 	// []
 }
 
-func Example_Rand() {
+func Example_rand() {
 	array := garray.NewFrom([]interface{}{1, 2, 3, 4, 5, 6, 7, 8, 9})
 
 	// Randomly retrieve and return 2 items from the array.
@@ -84,7 +84,7 @@ func Example_Rand() {
 	fmt.Println(array.PopRand())
 }
 
-func Example_PopItem() {
+func Example_popItem() {
 	array := garray.NewFrom([]interface{}{1, 2, 3, 4, 5, 6, 7, 8, 9})
 
 	// Any Pop* functions pick, delete and return the item from array.
@@ -101,7 +101,7 @@ func Example_PopItem() {
 	// [7 8]
 }
 
-func Example_MergeArray() {
+func Example_mergeArray() {
 	array1 := garray.NewFrom([]interface{}{1, 2})
 	array2 := garray.NewFrom([]interface{}{3, 4})
 	slice1 := []interface{}{5, 6}
@@ -120,7 +120,7 @@ func Example_MergeArray() {
 	// [1 2 1 2 3 4 5 6 7 8 9 0]
 }
 
-func Example_Filter() {
+func Example_filter() {
 	array1 := garray.NewFrom(g.Slice{0, 1, 2, nil, "", g.Slice{}, "john"})
 	array2 := garray.NewFrom(g.Slice{0, 1, 2, nil, "", g.Slice{}, "john"})
 	fmt.Printf("%#v\n", array1.FilterNil().Slice())
diff --git a/container/gmap/gmap_z_example_test.go b/container/gmap/gmap_z_example_test.go
index dff51121e..651524dfe 100644
--- a/container/gmap/gmap_z_example_test.go
+++ b/container/gmap/gmap_z_example_test.go
@@ -6,7 +6,7 @@ import (
 	"github.com/gogf/gf/container/gmap"
 )
 
-func Example_NormalBasic() {
+func Example_normalBasic() {
 	m := gmap.New()
 
 	//Add data
@@ -61,7 +61,7 @@ func Example_NormalBasic() {
 	fmt.Println(m.Size())
 
 }
-func Example_NormalMerge() {
+func Example_normalMerge() {
 	m1 := gmap.New()
 	m2 := gmap.New()
 	m1.Set("key1", "val1")
diff --git a/encoding/gjson/gjson_z_example_conversion_test.go b/encoding/gjson/gjson_z_example_conversion_test.go
index 8c4016125..1d067e217 100644
--- a/encoding/gjson/gjson_z_example_conversion_test.go
+++ b/encoding/gjson/gjson_z_example_conversion_test.go
@@ -11,7 +11,7 @@ import (
 	"github.com/gogf/gf/encoding/gjson"
 )
 
-func Example_ConversionNormalFormats() {
+func Example_conversionNormalFormats() {
 	data :=
 		`{
         "users" : {
@@ -59,7 +59,7 @@ func Example_ConversionNormalFormats() {
 	//   count = 1.0
 }
 
-func Example_ConversionGetStruct() {
+func Example_conversionGetStruct() {
 	data :=
 		`{
         "users" : {
@@ -85,7 +85,7 @@ func Example_ConversionGetStruct() {
 	// &{Count:1 Array:[John Ming]}
 }
 
-func Example_ConversionToStruct() {
+func Example_conversionToStruct() {
 	data :=
 		`
 	{
diff --git a/encoding/gjson/gjson_z_example_dataset_test.go b/encoding/gjson/gjson_z_example_dataset_test.go
index 31118af02..e335d1369 100644
--- a/encoding/gjson/gjson_z_example_dataset_test.go
+++ b/encoding/gjson/gjson_z_example_dataset_test.go
@@ -11,7 +11,7 @@ import (
 	"github.com/gogf/gf/encoding/gjson"
 )
 
-func Example_DataSetCreate1() {
+func Example_dataSetCreate1() {
 	j := gjson.New(nil)
 	j.Set("name", "John")
 	j.Set("score", 99.5)
@@ -27,7 +27,7 @@ func Example_DataSetCreate1() {
 	// {"name":"John","score":99.5}
 }
 
-func Example_DataSetCreate2() {
+func Example_dataSetCreate2() {
 	j := gjson.New(nil)
 	for i := 0; i < 5; i++ {
 		j.Set(fmt.Sprintf(`%d.id`, i), i)
@@ -39,7 +39,7 @@ func Example_DataSetCreate2() {
 	// [{"id":0,"name":"student-0"},{"id":1,"name":"student-1"},{"id":2,"name":"student-2"},{"id":3,"name":"student-3"},{"id":4,"name":"student-4"}]
 }
 
-func Example_DataSetRuntimeEdit() {
+func Example_dataSetRuntimeEdit() {
 	data :=
 		`{
         "users" : {
diff --git a/encoding/gjson/gjson_z_example_load_test.go b/encoding/gjson/gjson_z_example_load_test.go
index 2f2fad4f1..c67c2368a 100644
--- a/encoding/gjson/gjson_z_example_load_test.go
+++ b/encoding/gjson/gjson_z_example_load_test.go
@@ -12,21 +12,21 @@ import (
 	"github.com/gogf/gf/encoding/gjson"
 )
 
-func Example_LoadJson() {
+func Example_loadJson() {
 	jsonFilePath := gdebug.TestDataPath("json", "data1.json")
 	j, _ := gjson.Load(jsonFilePath)
 	fmt.Println(j.Get("name"))
 	fmt.Println(j.Get("score"))
 }
 
-func Example_LoadXml() {
+func Example_loadXml() {
 	jsonFilePath := gdebug.TestDataPath("xml", "data1.xml")
 	j, _ := gjson.Load(jsonFilePath)
 	fmt.Println(j.Get("doc.name"))
 	fmt.Println(j.Get("doc.score"))
 }
 
-func Example_LoadContent() {
+func Example_loadContent() {
 	jsonContent := `{"name":"john", "score":"100"}`
 	j, _ := gjson.LoadContent(jsonContent)
 	fmt.Println(j.Get("name"))
diff --git a/encoding/gjson/gjson_z_example_new_test.go b/encoding/gjson/gjson_z_example_new_test.go
index 9cfcdf959..e735284c9 100644
--- a/encoding/gjson/gjson_z_example_new_test.go
+++ b/encoding/gjson/gjson_z_example_new_test.go
@@ -11,7 +11,7 @@ import (
 	"github.com/gogf/gf/encoding/gjson"
 )
 
-func Example_NewFromJson() {
+func Example_newFromJson() {
 	jsonContent := `{"name":"john", "score":"100"}`
 	j := gjson.New(jsonContent)
 	fmt.Println(j.Get("name"))
@@ -21,7 +21,7 @@ func Example_NewFromJson() {
 	// 100
 }
 
-func Example_NewFromXml() {
+func Example_newFromXml() {
 	jsonContent := `<?xml version="1.0" encoding="UTF-8"?><doc><name>john</name><score>100</score></doc>`
 	j := gjson.New(jsonContent)
 	// Note that there's root node in the XML content.
@@ -32,7 +32,7 @@ func Example_NewFromXml() {
 	// 100
 }
 
-func Example_NewFromStruct() {
+func Example_newFromStruct() {
 	type Me struct {
 		Name  string `json:"name"`
 		Score int    `json:"score"`
@@ -49,7 +49,7 @@ func Example_NewFromStruct() {
 	// 100
 }
 
-func Example_NewFromStructWithTag() {
+func Example_newFromStructWithTag() {
 	type Me struct {
 		Name  string `tag:"name"`
 		Score int    `tag:"score"`
diff --git a/encoding/gjson/gjson_z_example_pattern_test.go b/encoding/gjson/gjson_z_example_pattern_test.go
index 03ac016bf..ff0911009 100644
--- a/encoding/gjson/gjson_z_example_pattern_test.go
+++ b/encoding/gjson/gjson_z_example_pattern_test.go
@@ -11,7 +11,7 @@ import (
 	"github.com/gogf/gf/encoding/gjson"
 )
 
-func Example_PatternGet() {
+func Example_patternGet() {
 	data :=
 		`{
         "users" : {
@@ -31,7 +31,7 @@ func Example_PatternGet() {
 	// John Score: 99.5
 }
 
-func Example_PatternCustomSplitChar() {
+func Example_patternCustomSplitChar() {
 	data :=
 		`{
         "users" : {
@@ -52,7 +52,7 @@ func Example_PatternCustomSplitChar() {
 	// John Score: 99.5
 }
 
-func Example_PatternViolenceCheck() {
+func Example_patternViolenceCheck() {
 	data :=
 		`{
         "users" : {
diff --git a/os/gcron/gcron_z_example_1_test.go b/os/gcron/gcron_z_example_1_test.go
index 56b96c362..e1f636250 100644
--- a/os/gcron/gcron_z_example_1_test.go
+++ b/os/gcron/gcron_z_example_1_test.go
@@ -13,7 +13,7 @@ import (
 	"github.com/gogf/gf/os/glog"
 )
 
-func ExampleCron_AddSingleton() {
+func Example_cronAddSingleton() {
 	gcron.AddSingleton("* * * * * *", func() {
 		glog.Println("doing")
 		time.Sleep(2 * time.Second)
diff --git a/os/gtimer/gtimer_z_example_test.go b/os/gtimer/gtimer_z_example_test.go
index ff0a9e98f..6db68f311 100644
--- a/os/gtimer/gtimer_z_example_test.go
+++ b/os/gtimer/gtimer_z_example_test.go
@@ -13,7 +13,7 @@ import (
 	"github.com/gogf/gf/os/gtimer"
 )
 
-func ExampleAdd() {
+func Example_add() {
 	now := time.Now()
 	interval := 1400 * time.Millisecond
 	gtimer.Add(interval, func() {