diff --git a/util/gvalid/internal/builtin/builtin_in.go b/util/gvalid/internal/builtin/builtin_in.go
index 838b64d47..dfc9a828e 100644
--- a/util/gvalid/internal/builtin/builtin_in.go
+++ b/util/gvalid/internal/builtin/builtin_in.go
@@ -32,12 +32,16 @@ func (r RuleIn) Message() string {
 }
 
 func (r RuleIn) Run(in RunInput) error {
-	var ok bool
+	var (
+		ok               bool
+		inputValueString = in.Value.String()
+	)
+
 	for _, rulePattern := range gstr.SplitAndTrim(in.RulePattern, ",") {
 		if in.Option.CaseInsensitive {
-			ok = strings.EqualFold(in.Value.String(), strings.TrimSpace(rulePattern))
+			ok = strings.EqualFold(inputValueString, strings.TrimSpace(rulePattern))
 		} else {
-			ok = strings.Compare(in.Value.String(), strings.TrimSpace(rulePattern)) == 0
+			ok = strings.Compare(inputValueString, strings.TrimSpace(rulePattern)) == 0
 		}
 		if ok {
 			return nil
diff --git a/util/gvalid/internal/builtin/builtin_required_if.go b/util/gvalid/internal/builtin/builtin_required_if.go
index df116470e..45123c066 100644
--- a/util/gvalid/internal/builtin/builtin_required_if.go
+++ b/util/gvalid/internal/builtin/builtin_required_if.go
@@ -38,13 +38,14 @@ func (r RuleRequiredIf) Run(in RunInput) error {
 		required   = false
 		array      = strings.Split(in.RulePattern, ",")
 		foundValue interface{}
+		dataMap    = in.Data.Map()
 	)
 	// It supports multiple field and value pairs.
 	if len(array)%2 == 0 {
 		for i := 0; i < len(array); {
 			tk := array[i]
 			tv := array[i+1]
-			_, foundValue = gutil.MapPossibleItemByKey(in.Data.Map(), tk)
+			_, foundValue = gutil.MapPossibleItemByKey(dataMap, tk)
 			if in.Option.CaseInsensitive {
 				required = strings.EqualFold(tv, gconv.String(foundValue))
 			} else {
diff --git a/util/gvalid/internal/builtin/builtin_required_unless.go b/util/gvalid/internal/builtin/builtin_required_unless.go
index b4e122ed6..b2e41a282 100644
--- a/util/gvalid/internal/builtin/builtin_required_unless.go
+++ b/util/gvalid/internal/builtin/builtin_required_unless.go
@@ -38,13 +38,15 @@ func (r RuleRequiredUnless) Run(in RunInput) error {
 		required   = true
 		array      = strings.Split(in.RulePattern, ",")
 		foundValue interface{}
+		dataMap    = in.Data.Map()
 	)
+
 	// It supports multiple field and value pairs.
 	if len(array)%2 == 0 {
 		for i := 0; i < len(array); {
 			tk := array[i]
 			tv := array[i+1]
-			_, foundValue = gutil.MapPossibleItemByKey(in.Data.Map(), tk)
+			_, foundValue = gutil.MapPossibleItemByKey(dataMap, tk)
 			if in.Option.CaseInsensitive {
 				required = !strings.EqualFold(tv, gconv.String(foundValue))
 			} else {
diff --git a/util/gvalid/internal/builtin/builtin_required_with.go b/util/gvalid/internal/builtin/builtin_required_with.go
index 9499c6bb9..c82044c17 100644
--- a/util/gvalid/internal/builtin/builtin_required_with.go
+++ b/util/gvalid/internal/builtin/builtin_required_with.go
@@ -38,9 +38,11 @@ func (r RuleRequiredWith) Run(in RunInput) error {
 		required   = false
 		array      = strings.Split(in.RulePattern, ",")
 		foundValue interface{}
+		dataMap    = in.Data.Map()
 	)
+
 	for i := 0; i < len(array); i++ {
-		_, foundValue = gutil.MapPossibleItemByKey(in.Data.Map(), array[i])
+		_, foundValue = gutil.MapPossibleItemByKey(dataMap, array[i])
 		if !empty.IsEmpty(foundValue) {
 			required = true
 			break
diff --git a/util/gvalid/internal/builtin/builtin_required_with_all.go b/util/gvalid/internal/builtin/builtin_required_with_all.go
index 2d850bf79..5fd2c4acd 100644
--- a/util/gvalid/internal/builtin/builtin_required_with_all.go
+++ b/util/gvalid/internal/builtin/builtin_required_with_all.go
@@ -38,9 +38,11 @@ func (r RuleRequiredWithAll) Run(in RunInput) error {
 		required   = true
 		array      = strings.Split(in.RulePattern, ",")
 		foundValue interface{}
+		dataMap    = in.Data.Map()
 	)
+
 	for i := 0; i < len(array); i++ {
-		_, foundValue = gutil.MapPossibleItemByKey(in.Data.Map(), array[i])
+		_, foundValue = gutil.MapPossibleItemByKey(dataMap, array[i])
 		if empty.IsEmpty(foundValue) {
 			required = false
 			break
diff --git a/util/gvalid/internal/builtin/builtin_required_without.go b/util/gvalid/internal/builtin/builtin_required_without.go
index f0efb9b4c..82465341b 100644
--- a/util/gvalid/internal/builtin/builtin_required_without.go
+++ b/util/gvalid/internal/builtin/builtin_required_without.go
@@ -38,9 +38,11 @@ func (r RuleRequiredWithout) Run(in RunInput) error {
 		required   = false
 		array      = strings.Split(in.RulePattern, ",")
 		foundValue interface{}
+		dataMap    = in.Data.Map()
 	)
+
 	for i := 0; i < len(array); i++ {
-		_, foundValue = gutil.MapPossibleItemByKey(in.Data.Map(), array[i])
+		_, foundValue = gutil.MapPossibleItemByKey(dataMap, array[i])
 		if empty.IsEmpty(foundValue) {
 			required = true
 			break
diff --git a/util/gvalid/internal/builtin/builtin_required_without_all.go b/util/gvalid/internal/builtin/builtin_required_without_all.go
index ef62b4293..e55101266 100644
--- a/util/gvalid/internal/builtin/builtin_required_without_all.go
+++ b/util/gvalid/internal/builtin/builtin_required_without_all.go
@@ -38,9 +38,11 @@ func (r RuleRequiredWithoutAll) Run(in RunInput) error {
 		required   = true
 		array      = strings.Split(in.RulePattern, ",")
 		foundValue interface{}
+		dataMap    = in.Data.Map()
 	)
+
 	for i := 0; i < len(array); i++ {
-		_, foundValue = gutil.MapPossibleItemByKey(in.Data.Map(), array[i])
+		_, foundValue = gutil.MapPossibleItemByKey(dataMap, array[i])
 		if !empty.IsEmpty(foundValue) {
 			required = false
 			break