diff --git a/cmb.go b/cmb.go
new file mode 100644
index 0000000..27fcaa4
--- /dev/null
+++ b/cmb.go
@@ -0,0 +1,402 @@
+package helper
+
+import (
+    "bytes"
+    "encoding/base64"
+    "encoding/hex"
+    "errors"
+    "git.tetele.net/tgo/crypter"
+    "github.com/ZZMarquis/gm/sm2"
+    "github.com/ZZMarquis/gm/sm3"
+    jsoniter "github.com/json-iterator/go"
+    "io/ioutil"
+    "log"
+    "math/big"
+    "net/http"
+    "reflect"
+    "sort"
+    "strings"
+    "time"
+)
+
+var json = jsoniter.ConfigCompatibleWithStandardLibrary
+
+// 合并map数据
+func MergeMapData(x, y map[string]interface{}) map[string]interface{} {
+
+    n := make(map[string]interface{})
+
+    for i, v := range x {
+        for j, w := range y {
+            if i == j {
+                n[i] = w
+
+            } else {
+                if _, ok := n[i]; !ok {
+                    n[i] = v
+                }
+                if _, ok := n[j]; !ok {
+                    n[j] = w
+                }
+            }
+        }
+    }
+
+    return n
+}
+
+// 针对传参为json或者数组类型的字段，进行字符串排序
+func HttpBuildSort(data map[string]interface{}) string {
+    keySlice := []string{}
+
+    for k, _ := range data {
+        keySlice = append(keySlice, k)
+    }
+    // 排序字符串
+    sort.Strings(keySlice)
+
+    res := make(map[string]interface{}, 0)
+
+    for _, value := range keySlice {
+        data_val := ToStr(data[value])
+
+        if value != "" && data_val != "" {
+            res[value] = data_val
+        }
+    }
+
+    res_byte, _ := json.Marshal(res)
+
+    return string(res_byte)
+}
+
+// body参数处理
+func FormatBodyData(body map[string]interface{}) map[string]interface{} {
+    data := map[string]interface{}{}
+
+    if len(body) > 0 {
+        for k, v := range body {
+            typeOfA := reflect.TypeOf(v)
+
+            if typeOfA.Kind().String() == "map" {
+                build_str_format, _ := InterfaceToMapInterface(v)
+
+                if len(build_str_format) < 1 {
+                    continue
+                }
+                // json键值对处理
+                data[k] = HttpBuildSort(build_str_format)
+                // log.Println("排序后的数据: ", data[k])
+            } else if typeOfA.Kind().String() == "slice" {
+                val_slice := []interface{}{}
+                // json键值对处理
+                for _, val_inter := range v.([]interface{}) {
+                    val_map, _ := InterfaceToMapInterface(val_inter)
+                    each_val := HttpBuildSort(val_map)
+                    val_slice = append(val_slice, each_val)
+                }
+
+                if len(val_slice) < 1 {
+                    continue
+                }
+
+                data[k] = val_slice
+                // log.Println("排序后的数据: ", data[k])
+            } else {
+                data[k] = v
+            }
+        }
+    }
+
+    return data
+}
+
+// 字符串排序拼接
+func CmbHttpBuildQuery(data map[string]interface{}, filter_sign bool) string {
+    keySlice := []string{}
+    // 剔除sign字段
+    for k, _ := range data {
+        if filter_sign && k == "sign" {
+            continue
+        }
+        keySlice = append(keySlice, k)
+    }
+    // 排序字符串
+    sort.Strings(keySlice)
+
+    var query string
+
+    for _, value := range keySlice {
+        if value != "" && data[value] != "" {
+            query += StringJoin(value, "=", ToStr(data[value]), "&")
+        }
+    }
+
+    build_str := strings.Trim(query, "&")
+
+    log.Println("拼接后的数据: ", build_str)
+    return build_str
+}
+
+// 生成签名sign--聚合支付
+func SetSign(data map[string]interface{}, privateKey string) string {
+    log.Println("招行加签start")
+    build_str := CmbHttpBuildQuery(data, true)
+
+    priv := new(sm2.PrivateKey)
+    priv.Curve = sm2.GetSm2P256V1()
+    dBytes, _ := hex.DecodeString(privateKey)
+    priv.D = new(big.Int).SetBytes(dBytes)
+
+    signature, err := sm2.Sign(priv, []byte("1234567812345678"), []byte(build_str))
+
+    if err != nil {
+        log.Println("国密加密异常", err)
+        return ""
+    }
+
+    sign := base64.StdEncoding.EncodeToString(signature)
+
+    log.Println("加密后sign值: ", sign)
+    log.Println("招行加签end")
+    return sign
+}
+
+// 创建请求头信息--聚合支付
+func HeaderInfo(appid, secret, sign string) map[string]string {
+    if appid == "" || secret == "" || sign == "" {
+        return map[string]string{}
+    }
+
+    headerData := map[string]string{}
+
+    headerData["appid"] = appid
+    headerData["sign"] = sign
+    headerData["secret"] = secret
+    headerData["timestamp"] = ToStr(time.Now().Unix())
+
+    build_str := CmbHttpBuildQuery(MapStringToInterface(headerData), false)
+
+    headerData["apisign"] = crypter.Md5Str(build_str)
+
+    delete(headerData, "sign")
+    delete(headerData, "secret")
+
+    log.Println("header信息", headerData)
+
+    return headerData
+}
+
+// 接口验签--各客户端请求我们接口验签
+func CheckSign(appid, app_secret, timeStamp, nonce, sign string, body map[string]interface{}) error {
+    log.Println("请求验签start")
+
+    /*time_now := time.Now().Unix()
+
+      if time_now-ToInt64(timeStamp) > 10 {
+          return errors.New("请求时间超出范围，拒绝访问")
+      }*/
+
+    sign_info := map[string]interface{}{
+        "appid":     appid,
+        "timestamp": timeStamp,
+        "nonce":     nonce,
+    }
+
+    if len(body) > 0 {
+        body_format := FormatBodyDataNoList(body)
+        sign_info = MergeMapData(sign_info, body_format)
+    }
+
+    str := CmbHttpBuildQuery(sign_info, false) + "&" + app_secret
+    log.Println("加密前数据: ", str)
+    sign_str := crypter.Md5Str(str)
+    log.Println("加密后数据: ", sign_str)
+
+    if sign_str != sign {
+        return errors.New("签名不正确")
+    }
+
+    log.Println("请求验签end")
+
+    return nil
+}
+
+// post 请求
+func PostJsonData(url string, param interface{}, headerinfo map[string]string) ([]byte, error) {
+    httpClient := &http.Client{}
+    params, err := json.Marshal(param)
+
+    if err != nil {
+        return []byte(""), err
+    }
+
+    log.Println(bytes.NewBuffer(params))
+
+    req, err := http.NewRequest("POST", url, bytes.NewBuffer(params))
+    if err != nil {
+        return []byte(""), err
+    }
+
+    req.Header.Set("Content-Type", "application/json")
+
+    if len(headerinfo) > 0 {
+        for k, v := range headerinfo {
+            req.Header[k] = []string{v}
+        }
+    }
+
+    resp, err := httpClient.Do(req)
+    if err != nil {
+        return []byte(""), err
+    }
+
+    defer resp.Body.Close()
+    body, err := ioutil.ReadAll(resp.Body)
+    if err != nil {
+        return []byte(""), err
+    }
+
+    return body, nil
+}
+
+func SetSignsm3(data map[string]interface{}) string {
+    build_str := HttpBuildjson(data, false)
+    h := sm3.New()
+    h.Write([]byte(build_str))
+    sum := h.Sum(nil)
+    sign := hex.EncodeToString(sum)
+    return sign
+}
+
+func CashierHeaderInfoCompany(appid, secret, sign, private_key string) map[string]string {
+    if appid == "" || secret == "" || sign == "" || private_key == "" {
+        return map[string]string{}
+    }
+
+    headerData := map[string]string{}
+
+    headerData["appid"] = appid
+    headerData["sign"] = sign
+    headerData["secret"] = secret
+    headerData["timestamp"] = ToStr(time.Now().Unix())
+    headerData["apisign"] = SetSignhex(headerData, private_key)
+    headerData["verify"] = "SM3withSM2"
+    delete(headerData, "secret")
+    return headerData
+}
+
+// 生成签名sign
+func SetSignhex(data map[string]string, privateKey string) string {
+    build_str := CmbHttpBuildQuery(MapStringToInterface(data), false)
+    priv := new(sm2.PrivateKey)
+    priv.Curve = sm2.GetSm2P256V1()
+    dBytes, _ := hex.DecodeString(privateKey)
+    priv.D = new(big.Int).SetBytes(dBytes)
+    sign, _ := sm2.Sign(priv, []byte("1234567812345678"), []byte(build_str))
+    sign = SM2Asn1ToRaw(sign)
+    return hex.EncodeToString(sign)
+}
+func SM2Asn1ToRaw(data []byte) []byte {
+    i := 3
+    ret := []byte{}
+    if data[i] == 32 {
+        i = i + 1
+    } else if data[i] == 33 {
+        i = i + 2
+    }
+    for k := 0; k < 32; k++ {
+        ret = append(ret, data[i+k])
+    }
+    i = i + 32
+    i = i + 1
+    if data[i] == 32 {
+        i = i + 1
+    } else if data[i] == 33 {
+        i = i + 2
+    }
+    for k := 0; k < 32; k++ {
+        ret = append(ret, data[i+k])
+    }
+    return ret
+}
+
+// 字符串排序拼接
+func HttpBuildjson(data map[string]interface{}, filter_sign bool) string {
+    keySlice := []string{}
+    res := map[string]interface{}{}
+    // 剔除sign字段
+    for k, _ := range data {
+        if filter_sign && k == "sign" {
+            continue
+        }
+        keySlice = append(keySlice, k)
+    }
+    // 排序字符串
+    sort.Strings(keySlice)
+    for _, value := range keySlice {
+        if value != "" && data[value] != "" {
+            res[value] = data[value]
+        }
+    }
+    ss, _ := json.Marshal(res)
+    log.Println("拼接后的数据: ", string(ss))
+    return string(ss)
+}
+
+// body参数处理
+func FormatBodyDataNoList(body map[string]interface{}) map[string]interface{} {
+    data := map[string]interface{}{}
+
+    if len(body) > 0 {
+        for k, v := range body {
+            typeOfA := reflect.TypeOf(v)
+
+            if typeOfA.Kind().String() == "map" || typeOfA.Kind().String() == "slice" {
+                continue
+            } else {
+                if typeOfA.Kind().String() == "string" {
+                    if ToStr(v) != "" {
+                        data[k] = v
+                    }
+                }
+            }
+        }
+    }
+
+    return data
+}
+
+// 聚合支付异步回调验签
+func JhNotifyCheckSign(sign, public_key string, data map[string]string) bool {
+    build_sort_str := CmbHttpBuildQuery(MapStringToInterface(data), true)
+    pub_x := ""
+    pub_y := ""
+    // 私钥截取
+    if len(public_key) == 128 {
+        pub_x = public_key[:64]
+        pub_y = public_key[64:]
+    } else if len(public_key) == 130 && (public_key[:2] == "04") {
+        public_key = public_key[2:]
+        pub_x = public_key[:64]
+        pub_y = public_key[64:]
+    } else {
+        log.Println("异步验签公钥出错", public_key)
+        return false
+    }
+
+    sign_b64, _ := base64.StdEncoding.DecodeString(sign)
+    pub := new(sm2.PublicKey)
+    pub.Curve = sm2.GetSm2P256V1()
+    xBytes, _ := hex.DecodeString(pub_x)
+    yBytes, _ := hex.DecodeString(pub_y)
+    pub.X = new(big.Int).SetBytes(xBytes)
+    pub.Y = new(big.Int).SetBytes(yBytes)
+    result := sm2.Verify(pub, []byte("1234567812345678"), []byte(build_sort_str), sign_b64)
+
+    if !result {
+        return false
+    }
+
+    return true
+}
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..b851017
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,28 @@
+git.tetele.net/tgo/crypter v0.2.2 h1:YMQJh2Gj5Po4ZfelJUmXBKi01UbmtiSy3bmqRfnYQMo=
+git.tetele.net/tgo/crypter v0.2.2/go.mod h1:vfvRLZA8+lHNgNXneOcgvVhDyuv25ZRb+C6xHOmXNx0=
+github.com/ZZMarquis/gm v1.3.2 h1:lFtpzg5zeeVMZ/gKi0gtYcKLBEo9XTqsZDHDz6s3Gow=
+github.com/ZZMarquis/gm v1.3.2/go.mod h1:wWbjZYgruQVd7Bb8UkSN8ujU931kx2XUW6nZLCiDE0Q=
+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/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
+github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
+github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
+github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 h1:ZqeYNhU3OHLH3mGKHDcjJRFFRrJa6eAM5H+CtDdOsPc=
+github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
+github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
+github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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