diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..13ee2b0
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+    "nuxt.isNuxtApp": false
+}
\ No newline at end of file
diff --git a/commonstock/ATR.go b/commonstock/ATR.go
new file mode 100644
index 0000000..69c62a9
--- /dev/null
+++ b/commonstock/ATR.go
@@ -0,0 +1,57 @@
+package commonstock
+
+import (
+	"math"
+	"time"
+
+	"github.com/idoall/TokenExchangeCommon/commonmodels"
+)
+
+// ATR struct
+type ATR struct {
+	Period int //默认计算几天的MA,KDJ一般是9，OBV是10、20、30
+	data   []ATRPoint
+	kline  []*commonmodels.Kline
+}
+
+type ATRPoint struct {
+	Time time.Time
+	TR   float64
+	ATR  float64
+}
+
+// NewATR new Func
+func NewATR(list []*commonmodels.Kline, period int) *ATR {
+	m := &ATR{kline: list, Period: period}
+	return m
+}
+
+// Calculation Func
+func (e *ATR) Calculation() *ATR {
+
+	for i := 0; i < len(e.kline); i++ {
+		klineItem := e.kline[i]
+		var ATRPointStruct ATRPoint
+		ATRPointStruct.TR = math.Max(klineItem.High-klineItem.Low, math.Max(klineItem.High-klineItem.Close, klineItem.Close-klineItem.Low))
+		ATRPointStruct.Time = e.kline[i].KlineTime
+		e.data = append(e.data, ATRPointStruct)
+	}
+
+	var tempKline []*commonmodels.Kline
+	for _, v := range e.data {
+		tempKline = append(tempKline, &commonmodels.Kline{
+			Close: v.TR,
+		})
+	}
+
+	var atr = NewEMA(tempKline, e.Period).Calculation().GetPoints()
+	for i := 0; i < len(atr); i++ {
+		e.data[i].ATR = atr[i].Value
+	}
+	return e
+}
+
+// GetPoints Func
+func (e *ATR) GetPoints() []ATRPoint {
+	return e.data
+}
diff --git a/commonstock/MACD.go b/commonstock/MACD.go
index 82ed83b..d3d40ca 100644
--- a/commonstock/MACD.go
+++ b/commonstock/MACD.go
@@ -35,6 +35,7 @@ type MACDPoint struct {
 	DIF  float64
 	DEA  float64
 	MACD float64
+	Hist float64
 }
 
 // NewMACD new Func
diff --git a/commonutils/checkmail/checkmail_test.go b/commonutils/checkmail/checkmail_test.go
index 8f95ad6..22480dd 100644
--- a/commonutils/checkmail/checkmail_test.go
+++ b/commonutils/checkmail/checkmail_test.go
@@ -33,7 +33,7 @@ func TestValidateHost(t *testing.T) {
 			continue
 		}
 
-		err := checkmail.ValidateHost(s.mail)
+		err := ValidateHost(s.mail)
 		if err != nil && s.account == true {
 			t.Errorf(`"%s" => unexpected error: "%v"`, s.mail, err)
 		}
@@ -45,7 +45,7 @@ func TestValidateHost(t *testing.T) {
 
 func TestValidateFormat(t *testing.T) {
 	for _, s := range samples {
-		err := checkmail.ValidateFormat(s.mail)
+		err := ValidateFormat(s.mail)
 		if err != nil && s.format == true {
 			t.Errorf(`"%s" => unexpected error: "%v"`, s.mail, err)
 		}
diff --git a/go.mod b/go.mod
index 8ffcf1d..1539b39 100644
--- a/go.mod
+++ b/go.mod
@@ -1,13 +1,14 @@
 module github.com/idoall/TokenExchangeCommon
 
+go 1.17
+
 require (
-	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/json-iterator/go v1.1.5
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.1 // indirect
-	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/shopspring/decimal v0.0.0-20180709203117-cd690d0c9e24
-	github.com/stretchr/testify v1.2.2 // indirect
 )
 
-go 1.13
+require (
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.1 // indirect
+	github.com/stretchr/testify v1.8.2 // indirect
+)
diff --git a/go.sum b/go.sum
index 9bb8b0e..8a19d68 100644
--- a/go.sum
+++ b/go.sum
@@ -1,3 +1,4 @@
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/json-iterator/go v1.1.5 h1:gL2yXlmiIo4+t+y32d4WGwOjKGYcGOuyrg46vadswDE=
@@ -10,5 +11,14 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/shopspring/decimal v0.0.0-20180709203117-cd690d0c9e24 h1:pntxY8Ary0t43dCZ5dqY4YTJCObLY1kIXl0uzMv+7DE=
 github.com/shopspring/decimal v0.0.0-20180709203117-cd690d0c9e24/go.mod h1:M+9NzErvs504Cn4c5DxATwIqPbtswREoFCre64PpcG4=
-github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
-github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
+github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
+github.com/stretchr/testify v1.8.2 h1:+h33VjcLVPDHtOdpUCuF+7gSuG3yGIftsP1YvFihtJ8=
+github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=