diff --git a/meituan_cps/api.go b/meituan_cps/api.go
new file mode 100644
index 0000000..a39fbbc
--- /dev/null
+++ b/meituan_cps/api.go
@@ -0,0 +1,60 @@
+package meituan_cps
+
+import (
+	"code.fnuoos.com/go_rely_warehouse/zyos_go_third_party_api.git/comm"
+	zhios_third_party_utils "code.fnuoos.com/go_rely_warehouse/zyos_go_third_party_api.git/utils"
+	"crypto/hmac"
+	"crypto/md5"
+	"crypto/sha256"
+	"encoding/base64"
+	"fmt"
+	"strings"
+	"time"
+)
+
+func Send(method, key, secret string, param map[string]interface{}) {
+	header := map[string]string{
+		"S-Ca-App":       key,
+		"S-Ca-Timestamp": zhios_third_party_utils.Int64ToStr(time.Now().Unix() * 1000),
+	}
+	url := "https://media.meituan.com/cps_open/common/api/v1/"
+	paramStr := comm.GetSortJson(param)
+	paramStr = strings.ReplaceAll(paramStr, "\n", "")
+	header = GetSign(method, secret, paramStr, header)
+	fmt.Println(header)
+	fmt.Println(paramStr)
+
+	post, err := zhios_third_party_utils.CurlPost(url+method, paramStr, header)
+	fmt.Println(string(post))
+	fmt.Println(err)
+}
+
+func GetSign(method, secret string, paramStr string, header map[string]string) map[string]string {
+	headers := comm.KsortToStr(header)
+
+	HTTPMethod := "POST"
+	h1 := md5.New()
+	h1.Write([]byte(paramStr))
+	ContentMd5 := base64.StdEncoding.EncodeToString(h1.Sum(nil))
+	fmt.Println(ContentMd5)
+	headerStr := ""
+	signHeader := ""
+	for _, v := range headers {
+		headerStr += v + ":" + header[v] + "\n"
+		if signHeader == "" {
+			signHeader += v
+		} else {
+			signHeader += "," + v
+		}
+	}
+
+	Url := "/cps_open/common/api/v1/" + method
+	sign := HTTPMethod + "\n" + ContentMd5 + "\n" + headerStr + Url
+	h := hmac.New(sha256.New, []byte(secret))
+	_, _ = h.Write([]byte(sign))
+	header["S-Ca-Signature"] = base64.StdEncoding.EncodeToString(h.Sum(nil))
+	header["Content-MD5"] = ContentMd5
+	header["S-Ca-Signature-Headers"] = signHeader
+	header["Content-Type"] = "application/json; charset=utf-8"
+	return header
+}