diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6b00f8b8..0e955d52 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
-## v1.0.36 / 2021-12-27
+## v1.0.37 / 2021-12-27
 
+- update kashangwl service
 - update pinduoduo service
 
 ## v1.0.35 / 2021-12-25
diff --git a/library.go b/library.go
index b6d89646..71bcabb5 100644
--- a/library.go
+++ b/library.go
@@ -1,5 +1,5 @@
 package go_library
 
 func Version() string {
-	return "v1.0.36"
+	return "v1.0.37"
 }
diff --git a/service/kashangwl/api.buy.go b/service/kashangwl/api.buy.go
new file mode 100644
index 00000000..a5663bd8
--- /dev/null
+++ b/service/kashangwl/api.buy.go
@@ -0,0 +1,31 @@
+package kashangwl
+
+// ApiBuyResult 返回参数
+type ApiBuyResult struct {
+	Code    string `json:"code"`
+	Message string `json:"message"`
+	Data    struct {
+		OrderID      int64  `json:"order_id"`      // 订单号
+		ProductPrice string `json:"product_price"` // 商品价格
+		TotalPrice   string `json:"total_price"`   // 总支付价格
+		RechargeUrl  string `json:"recharge_url"`  // 卡密充值网址
+		State        int    `json:"state"`         // 订单状态（100：等待发货，101：正在充值，200：交易成功，500：交易失败，501：未知状态）
+		Cards        []struct {
+			CardNo       string `json:"card_no"`
+			CardPassword string `json:"card_password"`
+		} `json:"cards,omitempty"` // 	卡密（仅当订单成功并且商品类型为卡密时返回此数据）
+		Tickets []struct {
+			No     string `json:"no"`
+			Ticket string `json:"ticket"`
+		} `json:"tickets,omitempty"` // 	卡券（仅当订单成功并且商品类型为卡券时返回此数据）
+	} `json:"data"`
+}
+
+// ApiBuy 购买商品 http://doc.cqmeihu.cn/sales/BuyProduct.html
+func (app *App) ApiBuy(notMustParams ...Params) (body []byte, err error) {
+	// 参数
+	params := app.NewParamsWith(notMustParams...)
+	// 请求
+	body, err = app.request("http://www.kashangwl.com/api/buy", params)
+	return body, err
+}
diff --git a/service/kashangwl/api.order.go b/service/kashangwl/api.order.go
new file mode 100644
index 00000000..f8287d92
--- /dev/null
+++ b/service/kashangwl/api.order.go
@@ -0,0 +1,55 @@
+package kashangwl
+
+import (
+	"strconv"
+)
+
+// ApiOrderResult 返回参数
+type ApiOrderResult struct {
+	Code    string `json:"code"`
+	Message string `json:"message"`
+	Data    struct {
+		ID                 int64   `json:"id"`                   // 订单号
+		ProductID          int     `json:"product_id"`           // 商品编号
+		ProductName        string  `json:"product_name"`         // 商品名称
+		ProductType        int     `json:"product_type"`         // 商品类型（1：充值，2：卡密，3：卡券，4：人工）
+		ProductPrice       string  `json:"product_price"`        // 售价
+		Quantity           int     `json:"quantity"`             // 购买数量
+		TotalPrice         string  `json:"total_price"`          // 总支付价格
+		RefundedAmount     float64 `json:"refunded_amount"`      // 已退款金额
+		BuyerCustomerID    int     `json:"buyer_customer_id"`    // 买家编号
+		BuyerCustomerName  string  `json:"buyer_customer_name"`  // 买家名称
+		SellerCustomerID   int     `json:"seller_customer_id"`   // 卖家编号
+		SellerCustomerName string  `json:"seller_customer_name"` // 卖家名称
+		State              int     `json:"state"`                // 订单状态（100：等待发货，101：正在充值，200：交易成功，500：交易失败，501：未知状态）
+		CreatedAt          string  `json:"created_at"`           // 下单时间
+		RechargeAccount    string  `json:"recharge_account"`     // 充值账号
+		ProgressInit       int     `json:"progress_init"`        // 充值进度：初始值
+		ProgressNow        int     `json:"progress_now"`         // 充值进度：现在值
+		ProgressTarget     int     `json:"progress_target"`      // 充值进度：目标值
+		RechargeInfo       string  `json:"recharge_info"`        // 返回信息
+		RechargeUrl        string  `json:"recharge_url"`         // 卡密充值网址
+		Cards              []struct {
+			No       string `json:"no"`
+			Password string `json:"password"`
+		} `json:"cards"` //【卡密类订单】卡密
+		RechargeParams string `json:"recharge_params"`          //【充值类订单】
+		OuterOrderID   string `json:"outer_order_id,omitempty"` // 外部订单号
+	} `json:"data"`
+}
+
+// ApiOrder 获取单个订单信息 http://doc.cqmeihu.cn/sales/OrderInfo.html
+func (app *App) ApiOrder(orderId int64) (body []byte, err error) {
+	// 参数
+	params := NewParams()
+	params.Set("order_id", orderId)
+	// 请求
+	body, err = app.request("http://www.kashangwl.com/api/order", params)
+	return body, err
+}
+
+// ApiOrderToPrice 价格单位转换
+func (app *App) ApiOrderToPrice(price string) (priceFloat64 float64) {
+	priceFloat64, _ = strconv.ParseFloat(price, 64)
+	return priceFloat64
+}
diff --git a/service/kashangwl/app.go b/service/kashangwl/app.go
new file mode 100644
index 00000000..f8f35a44
--- /dev/null
+++ b/service/kashangwl/app.go
@@ -0,0 +1,26 @@
+package kashangwl
+
+import (
+	"encoding/json"
+	"github.com/dtapps/go-library/utils/gohttp"
+	"time"
+)
+
+// App 卡商网服务
+type App struct {
+	CustomerId  int    // 商家编号
+	CustomerKey string // 商家密钥
+}
+
+func (app *App) request(url string, params map[string]interface{}) ([]byte, error) {
+	// 公共参数
+	params["timestamp"] = time.Now().UnixNano() / 1e6
+	params["customer_id"] = app.CustomerId
+	// 签名参数
+	params["sign"] = app.getSign(app.CustomerKey, params)
+	// 请求参数
+	paramsStr, err := json.Marshal(params)
+	// 请求
+	postJson, err := gohttp.PostJson(url, paramsStr)
+	return postJson.Body, err
+}
diff --git a/service/kashangwl/kashangwl.go b/service/kashangwl/kashangwl.go
deleted file mode 100644
index 1295f529..00000000
--- a/service/kashangwl/kashangwl.go
+++ /dev/null
@@ -1,85 +0,0 @@
-package kashangwl
-
-import (
-	"bytes"
-	"crypto/md5"
-	"encoding/hex"
-	"encoding/json"
-	"github.com/bitly/go-simplejson"
-	"github.com/dtapps/go-library/utils/goparams"
-	"io"
-	"io/ioutil"
-	"net/http"
-	"sort"
-	"strings"
-	"time"
-)
-
-const api = "http://www.kashangwl.com/api/"
-
-// Parameter 参数
-type Parameter map[string]interface{}
-
-// ParameterEncode 参数
-type ParameterEncode []string
-
-// KaShangWl 每次请求需传入以下参数
-type KaShangWl struct {
-	CustomerId  int    // 商家编号
-	CustomerKey string // 商家密钥
-}
-
-// Send 发送 http://cha.kashangwl.com/api-doc/
-func (w *KaShangWl) Send(url string, param Parameter) (*simplejson.Json, error) {
-	// 处理数据
-	param.setRequestData(w)
-	// 请求
-	resp, e := http.Post(api+url, "application/json", strings.NewReader(param.getRequestData()))
-	if e != nil {
-		return nil, e
-	}
-	defer resp.Body.Close()
-	// 返回结果
-	body, _ := ioutil.ReadAll(resp.Body)
-	respJson, err := simplejson.NewJson(body)
-	if err != nil {
-		return nil, err
-	}
-	return respJson, nil
-}
-
-// md5(key + 参数1名称 + 参数1值 + 参数2名称 + 参数2值...) 加密源串应为{key}customer_id1192442order_id827669582783timestamp1626845767
-func sign(params Parameter, customerKey string) string {
-	// 参数按照参数名的字典升序排列
-	var keys []string
-	for k := range params {
-		keys = append(keys, k)
-	}
-	sort.Strings(keys)
-	// 拼接
-	query := bytes.NewBufferString(customerKey)
-	for _, k := range keys {
-		query.WriteString(k)
-		query.WriteString(goparams.GetParamsString(params[k]))
-	}
-	// MD5加密
-	h := md5.New()
-	io.Copy(h, query)
-	return strings.ToLower(hex.EncodeToString(h.Sum(nil)))
-}
-
-// 设置请求数据
-func (p Parameter) setRequestData(w *KaShangWl) {
-	// 	当前时间戳（单位：秒）
-	timestamp := time.Now().UnixNano() / 1e6
-	p["timestamp"] = timestamp
-	p["customer_id"] = w.CustomerId
-	// 设置签名
-	p["sign"] = sign(p, w.CustomerKey)
-}
-
-// 获取请求数据
-func (p Parameter) getRequestData() string {
-	j, _ := json.Marshal(p)
-	return string(j)
-}
diff --git a/service/kashangwl/kashangwl_test.go b/service/kashangwl/kashangwl_test.go
deleted file mode 100644
index 6a1ab1a9..00000000
--- a/service/kashangwl/kashangwl_test.go
+++ /dev/null
@@ -1,24 +0,0 @@
-package kashangwl
-
-import (
-	"fmt"
-	_url "github.com/dtapps/go-library/service/kashangwl/url"
-	"testing"
-)
-
-func TestName(t *testing.T) {
-	wl := KaShangWl{
-		CustomerId:  0,
-		CustomerKey: "",
-	}
-
-	param := Parameter{
-		"order_id": 827669582783,
-	}
-	send, err := wl.Send(_url.Order, param)
-	fmt.Printf("send：%s\n", send)
-	if err != nil {
-		t.Errorf("err：%v\n", err)
-		return
-	}
-}
diff --git a/service/kashangwl/order.go b/service/kashangwl/order.go
new file mode 100644
index 00000000..36e37021
--- /dev/null
+++ b/service/kashangwl/order.go
@@ -0,0 +1,43 @@
+package kashangwl
+
+// OrderResult 返回参数
+type OrderResult struct {
+	Code    string `json:"code"`
+	Message string `json:"message"`
+	Data    struct {
+		Id                int64  `json:"id"`
+		ProductId         int    `json:"product_id"`
+		ProductName       string `json:"product_name"`
+		ProductType       int    `json:"product_type"`
+		ProductPrice      string `json:"product_price"`
+		Quantity          int    `json:"quantity"`
+		TotalPrice        string `json:"total_price"`
+		RefundedAmount    string `json:"refunded_amount"`
+		BuyerCustomerId   int    `json:"buyer_customer_id"`
+		BuyerCustomerName string `json:"buyer_customer_name"`
+		State             int    `json:"state"`
+		CreatedAt         string `json:"created_at"`
+		OuterOrderId      string `json:"outer_order_id"`
+		RechargeAccount   string `json:"recharge_account"`
+		RechargeParams    string `json:"recharge_params"`
+		RechargeInfo      string `json:"recharge_info"`
+		RechargeUrl       string `json:"recharge_url"`
+		Cards             []struct {
+			No       string `json:"no"`
+			Password string `json:"password"`
+		} `json:"cards"`
+	} `json:"data"`
+}
+
+// Order 获取单个订单信息。
+// 仅能获取自己购买的订单。
+// http://doc.cqmeihu.cn/sales/OrderInfo.html
+func (app App) Order(orderId string) (body []byte, err error) {
+	// 参数
+	param := NewParams()
+	param.Set("order_id", orderId)
+	params := app.NewParamsWith(param)
+	// 请求
+	body, err = app.request("http://www.kashangwl.com/api/order", params)
+	return body, err
+}
diff --git a/service/kashangwl/params.go b/service/kashangwl/params.go
new file mode 100644
index 00000000..13b54712
--- /dev/null
+++ b/service/kashangwl/params.go
@@ -0,0 +1,27 @@
+package kashangwl
+
+// Params 请求参数
+type Params map[string]interface{}
+
+func NewParams() Params {
+	p := make(Params)
+	return p
+}
+
+func (app *App) NewParamsWith(params ...Params) Params {
+	p := make(Params)
+	for _, v := range params {
+		p.SetParams(v)
+	}
+	return p
+}
+
+func (p Params) Set(key string, value interface{}) {
+	p[key] = value
+}
+
+func (p Params) SetParams(params Params) {
+	for key, value := range params {
+		p[key] = value
+	}
+}
diff --git a/service/kashangwl/product.go b/service/kashangwl/product.go
new file mode 100644
index 00000000..2e506f1f
--- /dev/null
+++ b/service/kashangwl/product.go
@@ -0,0 +1,56 @@
+package kashangwl
+
+// ProductResult 返回参数
+type ProductResult struct {
+	Code    string `json:"code"`
+	Message string `json:"message"`
+	Data    struct {
+		Id                      int64   `json:"id"`
+		ProductName             string  `json:"product_name,omitempty"`
+		Name                    string  `json:"name"`
+		Price                   float64 `json:"price"`
+		ValidPurchasingQuantity string  `json:"valid_purchasing_quantity"`
+		SuperiorCommissionsRate int     `json:"superior_commissions_rate"`
+		Type                    int     `json:"type"`
+		SupplyState             int     `json:"supply_state"`
+		StockState              int     `json:"stock_state"`
+		BanStartAt              string  `json:"ban_start_at,omitempty"`
+		BanEndAt                string  `json:"ban_end_at,omitempty"`
+	} `json:"data"`
+}
+
+// Product 获取单个商品信息
+// http://doc.cqmeihu.cn/sales/product-info.html
+func (app App) Product(productId int64) (body []byte, err error) {
+	// 参数
+	params := NewParams()
+	params.Set("product_id", productId)
+	// 请求
+	body, err = app.request("http://www.kashangwl.com/api/product", params)
+	return body, err
+}
+
+// ProductRechargeParamsResult 返回参数
+type ProductRechargeParamsResult struct {
+	Code    string `json:"code"`
+	Message string `json:"message"`
+	Data    struct {
+		RechargeAccountLabel string `json:"recharge_account_label"`
+		RechargeParams       []struct {
+			Name    string `json:"name"`
+			Type    string `json:"type"`
+			Options string `json:"options"`
+		} `json:"recharge_params"`
+	} `json:"data"`
+}
+
+// ProductRechargeParams 接口说明
+// 获取商品的充值参数（仅支持充值类商品）
+// http://doc.cqmeihu.cn/sales/ProductParams.html
+func (app App) ProductRechargeParams(notMustParams ...Params) (body []byte, err error) {
+	// 参数
+	params := app.NewParamsWith(notMustParams...)
+	// 请求
+	body, err = app.request("http://www.kashangwl.com/api/product/recharge-params", params)
+	return body, err
+}
diff --git a/service/kashangwl/sign.go b/service/kashangwl/sign.go
new file mode 100644
index 00000000..f2fbe561
--- /dev/null
+++ b/service/kashangwl/sign.go
@@ -0,0 +1,59 @@
+package kashangwl
+
+import (
+	"bytes"
+	"crypto/md5"
+	"encoding/hex"
+	"encoding/json"
+	"github.com/dtapps/go-library/utils/goparams"
+	"io"
+	"net/url"
+	"sort"
+	"strconv"
+	"strings"
+)
+
+// md5(key + 参数1名称 + 参数1值 + 参数2名称 + 参数2值...) 加密源串应为{key}customer_id1192442order_id827669582783timestamp1626845767
+func (app *App) getSign(customerKey string, params map[string]interface{}) string {
+	// 参数按照参数名的字典升序排列
+	var keys []string
+	for k := range params {
+		keys = append(keys, k)
+	}
+	sort.Strings(keys)
+	// 拼接
+	query := bytes.NewBufferString(customerKey)
+	for _, k := range keys {
+		query.WriteString(k)
+		query.WriteString(goparams.GetParamsString(params[k]))
+	}
+	// MD5加密
+	h := md5.New()
+	io.Copy(h, query)
+	return strings.ToLower(hex.EncodeToString(h.Sum(nil)))
+}
+
+// 获取请求数据
+func (app *App) getRequestData(params map[string]interface{}) string {
+	// 公共参数
+	args := url.Values{}
+	// 请求参数
+	for key, val := range params {
+		args.Set(key, app.getString(val))
+	}
+	return args.Encode()
+}
+
+func (app *App) getString(i interface{}) string {
+	switch v := i.(type) {
+	case string:
+		return v
+	case int:
+		return strconv.Itoa(v)
+	case bool:
+		return strconv.FormatBool(v)
+	default:
+		marshal, _ := json.Marshal(v)
+		return string(marshal)
+	}
+}
diff --git a/service/kashangwl/url/url.go b/service/kashangwl/url/url.go
deleted file mode 100644
index a5fa1d0a..00000000
--- a/service/kashangwl/url/url.go
+++ /dev/null
@@ -1,9 +0,0 @@
-package _url
-
-const (
-	Product               = "product"                 // 获取单个商品信息 http://cha.kashangwl.com/api-doc/basic/product.html
-	ProductRechargeParams = "product/recharge-params" // 获取商品的充值参数 http://cha.kashangwl.com/api-doc/basic/product-recharge-params.html
-	Buy                   = "buy"                     // 购买商品（不支持购买选号类型的商品） http://cha.kashangwl.com/api-doc/basic/buy.html
-	Order                 = "order"                   // 获取单个订单信息 http://cha.kashangwl.com/api-doc/basic/order.html
-	Customer              = "customer"                // 获取商家信息 http://cha.kashangwl.com/api-doc/basic/customer.html
-)