diff --git a/database/gdb/gdb_model_condition.go b/database/gdb/gdb_model_condition.go
index b71288647..775858ced 100644
--- a/database/gdb/gdb_model_condition.go
+++ b/database/gdb/gdb_model_condition.go
@@ -93,6 +93,11 @@ func (m *Model) WhereNotLike(column string, like interface{}) *Model {
 	return m.Where(fmt.Sprintf(`%s NOT LIKE ?`, m.db.QuoteWord(column)), like)
 }
 
+// WhereNot builds `xxx != x` statement.
+func (m *Model) WhereNot(column string, value interface{}) *Model {
+	return m.Where(fmt.Sprintf(`%s != ?`, m.db.QuoteWord(column)), value)
+}
+
 // WhereNotIn builds `xxx NOT IN (x)` statement.
 func (m *Model) WhereNotIn(column string, in interface{}) *Model {
 	return m.Where(fmt.Sprintf(`%s NOT IN (?)`, m.db.QuoteWord(column)), in)
diff --git a/util/gvalid/gvalid_custom_rule.go b/util/gvalid/gvalid_custom_rule.go
index 83fd4c2bb..85e431f58 100644
--- a/util/gvalid/gvalid_custom_rule.go
+++ b/util/gvalid/gvalid_custom_rule.go
@@ -6,13 +6,15 @@
 
 package gvalid
 
+import "context"
+
 // RuleFunc is the custom function for data validation.
 // The parameter `rule` specifies the validation rule string, like "required", "between:1,100", etc.
 // The parameter `value` specifies the value for this rule to validate.
 // The parameter `message` specifies the custom error message or configured i18n message for this rule.
 // The parameter `params` specifies all the parameters that needs. You can ignore parameter `params` if
 // you do not really need it in your custom validation rule.
-type RuleFunc func(rule string, value interface{}, message string, params map[string]interface{}) error
+type RuleFunc func(ctx context.Context, rule string, value interface{}, message string, params map[string]interface{}) error
 
 var (
 	// customRuleFuncMap stores the custom rule functions.
diff --git a/util/gvalid/gvalid_validator_check.go b/util/gvalid/gvalid_validator_check.go
index fd1d78f20..9c01f21c2 100644
--- a/util/gvalid/gvalid_validator_check.go
+++ b/util/gvalid/gvalid_validator_check.go
@@ -8,6 +8,10 @@ package gvalid
 
 import (
 	"errors"
+	"strconv"
+	"strings"
+	"time"
+
 	"github.com/gogf/gf/internal/json"
 	"github.com/gogf/gf/net/gipv4"
 	"github.com/gogf/gf/net/gipv6"
@@ -15,9 +19,6 @@ import (
 	"github.com/gogf/gf/text/gregex"
 	"github.com/gogf/gf/util/gconv"
 	"github.com/gogf/gf/util/gutil"
-	"strconv"
-	"strings"
-	"time"
 )
 
 type apiTime interface {
@@ -103,7 +104,7 @@ func (v *Validator) doCheckValue(key string, value interface{}, rules string, me
 			if len(paramMap) > 0 && paramMap[0] != nil {
 				dataMap = gconv.Map(paramMap[0])
 			}
-			if err := f(ruleItems[index], value, message, dataMap); err != nil {
+			if err := f(v.ctx, ruleItems[index], value, message, dataMap); err != nil {
 				match = false
 				errorMsgArray[ruleKey] = err.Error()
 			} else {
diff --git a/util/gvalid/gvalid_z_example_test.go b/util/gvalid/gvalid_z_example_test.go
index d52175aca..423957391 100644
--- a/util/gvalid/gvalid_z_example_test.go
+++ b/util/gvalid/gvalid_z_example_test.go
@@ -10,12 +10,13 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"math"
+	"reflect"
+
 	"github.com/gogf/gf/container/gvar"
 	"github.com/gogf/gf/frame/g"
 	"github.com/gogf/gf/util/gconv"
 	"github.com/gogf/gf/util/gvalid"
-	"math"
-	"reflect"
 )
 
 func ExampleCheckMap() {
@@ -115,7 +116,7 @@ func ExampleCheckStruct3() {
 
 func ExampleRegisterRule() {
 	rule := "unique-name"
-	gvalid.RegisterRule(rule, func(rule string, value interface{}, message string, params map[string]interface{}) error {
+	gvalid.RegisterRule(rule, func(ctx context.Context, rule string, value interface{}, message string, params map[string]interface{}) error {
 		var (
 			id   = gconv.Int(params["Id"])
 			name = gconv.String(value)
@@ -147,7 +148,7 @@ func ExampleRegisterRule() {
 
 func ExampleRegisterRule_OverwriteRequired() {
 	rule := "required"
-	gvalid.RegisterRule(rule, func(rule string, value interface{}, message string, params map[string]interface{}) error {
+	gvalid.RegisterRule(rule, func(ctx context.Context, rule string, value interface{}, message string, params map[string]interface{}) error {
 		reflectValue := reflect.ValueOf(value)
 		if reflectValue.Kind() == reflect.Ptr {
 			reflectValue = reflectValue.Elem()
@@ -190,3 +191,78 @@ func ExampleRegisterRule_OverwriteRequired() {
 	// <nil>
 	// <nil>
 }
+
+func ExampleValidator_Rules() {
+	data := g.Map{
+		"password": "123",
+	}
+	err := g.Validator().Data(data).Rules("required-with:password").Messages("请输入确认密码").CheckValue("")
+	fmt.Println(err.String())
+
+	// Output:
+	// 请输入确认密码
+}
+
+func ExampleValidator_CheckValue() {
+	err := g.Validator().Rules("min:18").Messages("未成年人不允许注册哟").CheckValue(16)
+	fmt.Println(err.String())
+
+	// Output:
+	// 未成年人不允许注册哟
+}
+
+func ExampleValidator_CheckMap() {
+	params := map[string]interface{}{
+		"passport":  "",
+		"password":  "123456",
+		"password2": "1234567",
+	}
+	rules := map[string]string{
+		"passport":  "required|length:6,16",
+		"password":  "required|length:6,16|same:password2",
+		"password2": "required|length:6,16",
+	}
+	messages := map[string]interface{}{
+		"passport": "账号不能为空|账号长度应当在:min到:max之间",
+		"password": map[string]string{
+			"required": "密码不能为空",
+			"same":     "两次密码输入不相等",
+		},
+	}
+	err := g.Validator().Messages(messages).Rules(rules).CheckMap(params)
+	if err != nil {
+		g.Dump(err.Maps())
+	}
+
+	// May Output:
+	//{
+	//	"passport": {
+	//	"length": "账号长度应当在6到16之间",
+	//		"required": "账号不能为空"
+	//},
+	//	"password": {
+	//	"same": "两次密码输入不相等"
+	//}
+	//}
+}
+
+func ExampleValidator_CheckStruct() {
+	type User struct {
+		Name string `v:"required#请输入用户姓名"`
+		Type int    `v:"required#请选择用户类型"`
+	}
+	data := g.Map{
+		"name": "john",
+	}
+	user := User{}
+	if err := gconv.Scan(data, &user); err != nil {
+		panic(err)
+	}
+	err := g.Validator().Data(data).CheckStruct(user)
+	if err != nil {
+		fmt.Println(err.Items())
+	}
+
+	// Output:
+	// [map[Type:map[required:请选择用户类型]]]
+}
diff --git a/util/gvalid/gvalid_z_unit_custom_rule_test.go b/util/gvalid/gvalid_z_unit_custom_rule_test.go
index 9fd7caf62..c9493c861 100644
--- a/util/gvalid/gvalid_z_unit_custom_rule_test.go
+++ b/util/gvalid/gvalid_z_unit_custom_rule_test.go
@@ -9,9 +9,10 @@ package gvalid_test
 import (
 	"context"
 	"errors"
+	"testing"
+
 	"github.com/gogf/gf/frame/g"
 	"github.com/gogf/gf/util/gconv"
-	"testing"
 
 	"github.com/gogf/gf/test/gtest"
 	"github.com/gogf/gf/util/gvalid"
@@ -19,7 +20,7 @@ import (
 
 func Test_CustomRule1(t *testing.T) {
 	rule := "custom"
-	err := gvalid.RegisterRule(rule, func(rule string, value interface{}, message string, params map[string]interface{}) error {
+	err := gvalid.RegisterRule(rule, func(ctx context.Context, rule string, value interface{}, message string, params map[string]interface{}) error {
 		pass := gconv.String(value)
 		if len(pass) != 6 {
 			return errors.New(message)
@@ -66,7 +67,7 @@ func Test_CustomRule1(t *testing.T) {
 
 func Test_CustomRule2(t *testing.T) {
 	rule := "required-map"
-	err := gvalid.RegisterRule(rule, func(rule string, value interface{}, message string, params map[string]interface{}) error {
+	err := gvalid.RegisterRule(rule, func(ctx context.Context, rule string, value interface{}, message string, params map[string]interface{}) error {
 		m := gconv.Map(value)
 		if len(m) == 0 {
 			return errors.New(message)
@@ -110,7 +111,7 @@ func Test_CustomRule2(t *testing.T) {
 
 func Test_CustomRule_AllowEmpty(t *testing.T) {
 	rule := "allow-empty-str"
-	err := gvalid.RegisterRule(rule, func(rule string, value interface{}, message string, params map[string]interface{}) error {
+	err := gvalid.RegisterRule(rule, func(ctx context.Context, rule string, value interface{}, message string, params map[string]interface{}) error {
 		s := gconv.String(value)
 		if len(s) == 0 || s == "gf" {
 			return nil