diff --git a/templatefunc.go b/templatefunc.go
index a6f9c961..2591c88e 100644
--- a/templatefunc.go
+++ b/templatefunc.go
@@ -53,21 +53,21 @@ func Substr(s string, start, length int) string {
 // HTML2str returns escaping text convert from html.
 func HTML2str(html string) string {
 
-	re, _ := regexp.Compile("\\<[\\S\\s]+?\\>")
+	re, _ := regexp.Compile(`\<[\S\s]+?\>`)
 	html = re.ReplaceAllStringFunc(html, strings.ToLower)
 
 	//remove STYLE
-	re, _ = regexp.Compile("\\<style[\\S\\s]+?\\</style\\>")
+	re, _ = regexp.Compile(`\<style[\S\s]+?\</style\>`)
 	html = re.ReplaceAllString(html, "")
 
 	//remove SCRIPT
-	re, _ = regexp.Compile("\\<script[\\S\\s]+?\\</script\\>")
+	re, _ = regexp.Compile(`\<script[\S\s]+?\</script\>`)
 	html = re.ReplaceAllString(html, "")
 
-	re, _ = regexp.Compile("\\<[\\S\\s]+?\\>")
+	re, _ = regexp.Compile(`\<[\S\s]+?\>`)
 	html = re.ReplaceAllString(html, "\n")
 
-	re, _ = regexp.Compile("\\s{2,}")
+	re, _ = regexp.Compile(`\s{2,}`)
 	html = re.ReplaceAllString(html, "\n")
 
 	return strings.TrimSpace(html)
diff --git a/validation/validation_test.go b/validation/validation_test.go
index 83e881bf..cb7a297e 100644
--- a/validation/validation_test.go
+++ b/validation/validation_test.go
@@ -175,10 +175,10 @@ func TestAlphaNumeric(t *testing.T) {
 func TestMatch(t *testing.T) {
 	valid := Validation{}
 
-	if valid.Match("suchuangji@gmail", regexp.MustCompile("^\\w+@\\w+\\.\\w+$"), "match").Ok {
+	if valid.Match("suchuangji@gmail", regexp.MustCompile(`^\w+@\w+\.\w+$`), "match").Ok {
 		t.Error("\"suchuangji@gmail\" match \"^\\w+@\\w+\\.\\w+$\"  should be false")
 	}
-	if !valid.Match("suchuangji@gmail.com", regexp.MustCompile("^\\w+@\\w+\\.\\w+$"), "match").Ok {
+	if !valid.Match("suchuangji@gmail.com", regexp.MustCompile(`^\w+@\w+\.\w+$`), "match").Ok {
 		t.Error("\"suchuangji@gmail\" match \"^\\w+@\\w+\\.\\w+$\"  should be true")
 	}
 }
@@ -186,10 +186,10 @@ func TestMatch(t *testing.T) {
 func TestNoMatch(t *testing.T) {
 	valid := Validation{}
 
-	if valid.NoMatch("123@gmail", regexp.MustCompile("[^\\w\\d]"), "nomatch").Ok {
+	if valid.NoMatch("123@gmail", regexp.MustCompile(`[^\w\d]`), "nomatch").Ok {
 		t.Error("\"123@gmail\" not match \"[^\\w\\d]\"  should be false")
 	}
-	if !valid.NoMatch("123gmail", regexp.MustCompile("[^\\w\\d]"), "match").Ok {
+	if !valid.NoMatch("123gmail", regexp.MustCompile(`[^\w\d]`), "match").Ok {
 		t.Error("\"123@gmail\" not match \"[^\\w\\d@]\"  should be true")
 	}
 }
diff --git a/validation/validators.go b/validation/validators.go
index 01aed443..2b5ae38b 100644
--- a/validation/validators.go
+++ b/validation/validators.go
@@ -145,7 +145,7 @@ func (r Required) IsSatisfied(obj interface{}) bool {
 
 // DefaultMessage return the default error message
 func (r Required) DefaultMessage() string {
-	return fmt.Sprint(MessageTmpls["Required"])
+	return MessageTmpls["Required"]
 }
 
 // GetKey return the r.Key
@@ -364,7 +364,7 @@ func (a Alpha) IsSatisfied(obj interface{}) bool {
 
 // DefaultMessage return the default Length error message
 func (a Alpha) DefaultMessage() string {
-	return fmt.Sprint(MessageTmpls["Alpha"])
+	return MessageTmpls["Alpha"]
 }
 
 // GetKey return the m.Key
@@ -397,7 +397,7 @@ func (n Numeric) IsSatisfied(obj interface{}) bool {
 
 // DefaultMessage return the default Length error message
 func (n Numeric) DefaultMessage() string {
-	return fmt.Sprint(MessageTmpls["Numeric"])
+	return MessageTmpls["Numeric"]
 }
 
 // GetKey return the n.Key
@@ -430,7 +430,7 @@ func (a AlphaNumeric) IsSatisfied(obj interface{}) bool {
 
 // DefaultMessage return the default Length error message
 func (a AlphaNumeric) DefaultMessage() string {
-	return fmt.Sprint(MessageTmpls["AlphaNumeric"])
+	return MessageTmpls["AlphaNumeric"]
 }
 
 // GetKey return the a.Key
@@ -495,7 +495,7 @@ func (n NoMatch) GetLimitValue() interface{} {
 	return n.Regexp.String()
 }
 
-var alphaDashPattern = regexp.MustCompile("[^\\d\\w-_]")
+var alphaDashPattern = regexp.MustCompile(`[^\d\w-_]`)
 
 // AlphaDash check not Alpha
 type AlphaDash struct {
@@ -505,7 +505,7 @@ type AlphaDash struct {
 
 // DefaultMessage return the default AlphaDash error message
 func (a AlphaDash) DefaultMessage() string {
-	return fmt.Sprint(MessageTmpls["AlphaDash"])
+	return MessageTmpls["AlphaDash"]
 }
 
 // GetKey return the n.Key
@@ -518,7 +518,7 @@ func (a AlphaDash) GetLimitValue() interface{} {
 	return nil
 }
 
-var emailPattern = regexp.MustCompile("^[\\w!#$%&'*+/=?^_`{|}~-]+(?:\\.[\\w!#$%&'*+/=?^_`{|}~-]+)*@(?:[\\w](?:[\\w-]*[\\w])?\\.)+[a-zA-Z0-9](?:[\\w-]*[\\w])?$")
+var emailPattern = regexp.MustCompile(`^[\w!#$%&'*+/=?^_` + "`" + `{|}~-]+(?:\.[\w!#$%&'*+/=?^_` + "`" + `{|}~-]+)*@(?:[\w](?:[\w-]*[\w])?\.)+[a-zA-Z0-9](?:[\w-]*[\w])?$`)
 
 // Email check struct
 type Email struct {
@@ -528,7 +528,7 @@ type Email struct {
 
 // DefaultMessage return the default Email error message
 func (e Email) DefaultMessage() string {
-	return fmt.Sprint(MessageTmpls["Email"])
+	return MessageTmpls["Email"]
 }
 
 // GetKey return the n.Key
@@ -541,7 +541,7 @@ func (e Email) GetLimitValue() interface{} {
 	return nil
 }
 
-var ipPattern = regexp.MustCompile("^((2[0-4]\\d|25[0-5]|[01]?\\d\\d?)\\.){3}(2[0-4]\\d|25[0-5]|[01]?\\d\\d?)$")
+var ipPattern = regexp.MustCompile(`^((2[0-4]\d|25[0-5]|[01]?\d\d?)\.){3}(2[0-4]\d|25[0-5]|[01]?\d\d?)$`)
 
 // IP check struct
 type IP struct {
@@ -551,7 +551,7 @@ type IP struct {
 
 // DefaultMessage return the default IP error message
 func (i IP) DefaultMessage() string {
-	return fmt.Sprint(MessageTmpls["IP"])
+	return MessageTmpls["IP"]
 }
 
 // GetKey return the i.Key
@@ -564,7 +564,7 @@ func (i IP) GetLimitValue() interface{} {
 	return nil
 }
 
-var base64Pattern = regexp.MustCompile("^(?:[A-Za-z0-99+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$")
+var base64Pattern = regexp.MustCompile(`^(?:[A-Za-z0-99+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$`)
 
 // Base64 check struct
 type Base64 struct {
@@ -574,7 +574,7 @@ type Base64 struct {
 
 // DefaultMessage return the default Base64 error message
 func (b Base64) DefaultMessage() string {
-	return fmt.Sprint(MessageTmpls["Base64"])
+	return MessageTmpls["Base64"]
 }
 
 // GetKey return the b.Key
@@ -588,7 +588,7 @@ func (b Base64) GetLimitValue() interface{} {
 }
 
 // just for chinese mobile phone number
-var mobilePattern = regexp.MustCompile("^((\\+86)|(86))?(1(([35][0-9])|[8][0-9]|[7][06789]|[4][579]))\\d{8}$")
+var mobilePattern = regexp.MustCompile(`^((\+86)|(86))?(1(([35][0-9])|[8][0-9]|[7][06789]|[4][579]))\d{8}$`)
 
 // Mobile check struct
 type Mobile struct {
@@ -598,7 +598,7 @@ type Mobile struct {
 
 // DefaultMessage return the default Mobile error message
 func (m Mobile) DefaultMessage() string {
-	return fmt.Sprint(MessageTmpls["Mobile"])
+	return MessageTmpls["Mobile"]
 }
 
 // GetKey return the m.Key
@@ -612,7 +612,7 @@ func (m Mobile) GetLimitValue() interface{} {
 }
 
 // just for chinese telephone number
-var telPattern = regexp.MustCompile("^(0\\d{2,3}(\\-)?)?\\d{7,8}$")
+var telPattern = regexp.MustCompile(`^(0\d{2,3}(\-)?)?\d{7,8}$`)
 
 // Tel check telephone struct
 type Tel struct {
@@ -622,7 +622,7 @@ type Tel struct {
 
 // DefaultMessage return the default Tel error message
 func (t Tel) DefaultMessage() string {
-	return fmt.Sprint(MessageTmpls["Tel"])
+	return MessageTmpls["Tel"]
 }
 
 // GetKey return the t.Key
@@ -649,7 +649,7 @@ func (p Phone) IsSatisfied(obj interface{}) bool {
 
 // DefaultMessage return the default Phone error message
 func (p Phone) DefaultMessage() string {
-	return fmt.Sprint(MessageTmpls["Phone"])
+	return MessageTmpls["Phone"]
 }
 
 // GetKey return the p.Key
@@ -663,7 +663,7 @@ func (p Phone) GetLimitValue() interface{} {
 }
 
 // just for chinese zipcode
-var zipCodePattern = regexp.MustCompile("^[1-9]\\d{5}$")
+var zipCodePattern = regexp.MustCompile(`^[1-9]\d{5}$`)
 
 // ZipCode check the zip struct
 type ZipCode struct {
@@ -673,7 +673,7 @@ type ZipCode struct {
 
 // DefaultMessage return the default Zip error message
 func (z ZipCode) DefaultMessage() string {
-	return fmt.Sprint(MessageTmpls["ZipCode"])
+	return MessageTmpls["ZipCode"]
 }
 
 // GetKey return the z.Key