diff --git a/callback.go b/callback.go
index 2d8fbd7..d9c40d8 100644
--- a/callback.go
+++ b/callback.go
@@ -4,6 +4,7 @@ import (
 	"encoding/xml"
 	"errors"
 	"fmt"
+	"github.com/fishedee/encoding"
 	"io/ioutil"
 	"net/http"
 	"sort"
@@ -91,7 +92,7 @@ func AliAppCallback(w http.ResponseWriter, r *http.Request) (*common.AliWebPayRe
 }
 
 // WeChatCallback 微信支付
-func WeChatWebCallback(w http.ResponseWriter, r *http.Request) (*common.WeChatPayResult, error) {
+func WeChatCallback(w http.ResponseWriter, r *http.Request) (*common.WeChatPayResult, error) {
 	var returnCode = "FAIL"
 	var returnMsg = ""
 	defer func() {
@@ -101,24 +102,20 @@ func WeChatWebCallback(w http.ResponseWriter, r *http.Request) (*common.WeChatPa
 		w.Write([]byte(returnBody))
 	}()
 	var reXML common.WeChatPayResult
-	//body := cb.Ctx.Input.RequestBody
 	body, err := ioutil.ReadAll(r.Body)
 	if err != nil {
-		//log.Error(string(body))
 		returnCode = "FAIL"
 		returnMsg = "Bodyerror"
-		panic(err)
+		return &reXML, errors.New(returnCode + ":" + returnMsg)
 	}
 	err = xml.Unmarshal(body, &reXML)
 	if err != nil {
-		//log.Error(err, string(body))
-		returnMsg = "参数错误"
 		returnCode = "FAIL"
-		panic(err)
+		returnMsg = "参数错误"
+		return &reXML, errors.New(returnCode + ":" + returnMsg)
 	}
 
 	if reXML.ReturnCode != "SUCCESS" {
-		//log.Error(reXML)
 		returnCode = "FAIL"
 		return &reXML, errors.New(reXML.ReturnCode)
 	}
@@ -147,58 +144,10 @@ func WeChatWebCallback(w http.ResponseWriter, r *http.Request) (*common.WeChatPa
 	return &reXML, nil
 }
 
-func WeChatAppCallback(w http.ResponseWriter, r *http.Request) (*common.WeChatPayResult, error) {
-	var returnCode = "FAIL"
-	var returnMsg = ""
-	defer func() {
-		formatStr := `<xml><return_code><![CDATA[%s]]></return_code>
-                  <return_msg>![CDATA[%s]]</return_msg></xml>`
-		returnBody := fmt.Sprintf(formatStr, returnCode, returnMsg)
-		w.Write([]byte(returnBody))
-	}()
-	var reXML common.WeChatPayResult
-	//body := cb.Ctx.Input.RequestBody
-	body, err := ioutil.ReadAll(r.Body)
-	if err != nil {
-		//log.Error(string(body))
-		returnCode = "FAIL"
-		returnMsg = "Bodyerror"
-		panic(err)
-	}
-	err = xml.Unmarshal(body, &reXML)
-	if err != nil {
-		//log.Error(err, string(body))
-		returnMsg = "参数错误"
-		returnCode = "FAIL"
-		panic(err)
-	}
-
-	if reXML.ReturnCode != "SUCCESS" {
-		//log.Error(reXML)
-		returnCode = "FAIL"
-		return &reXML, errors.New(reXML.ReturnCode)
-	}
-	m := util.XmlToMap(body)
-
-	var signData []string
-	for k, v := range m {
-		if k == "sign" {
-			continue
-		}
-		signData = append(signData, fmt.Sprintf("%v=%v", k, v))
-	}
-
-	key := client.DefaultWechatAppClient().Key
-
-	mySign, err := client.WechatGenSign(key, m)
-	if err != nil {
-		return &reXML, err
-	}
-
-	if mySign != m["sign"] {
-		panic(errors.New("签名交易错误"))
-	}
+func WeChatWebCallback(w http.ResponseWriter, r *http.Request) (*common.WeChatPayResult, error) {
+	return WeChatCallback(w, r)
+}
 
-	returnCode = "SUCCESS"
-	return &reXML, nil
+func WeChatAppCallback(w http.ResponseWriter, r *http.Request) (*common.WeChatPayResult, error) {
+	return WeChatCallback(w, r)
 }
diff --git a/client/alipayApp.go b/client/alipayApp.go
index 11bdd43..b8fa3e1 100644
--- a/client/alipayApp.go
+++ b/client/alipayApp.go
@@ -61,6 +61,10 @@ func (this *AliAppClient) Pay(charge *common.Charge) (map[string]string, error)
 	return map[string]string{"orderString": this.ToURL(m)}, nil
 }
 
+func (this *AliAppClient) CloseOrder(charge *common.Charge) (map[string]string, error) {
+	return map[string]string{}, errors.New("暂未开发该功能")
+}
+
 func (this *AliAppClient) PayToClient(charge *common.Charge) (map[string]string, error) {
 	return map[string]string{}, errors.New("暂未开发该功能")
 }
diff --git a/client/alipayWeb.go b/client/alipayWeb.go
index d6f6063..d1856ee 100644
--- a/client/alipayWeb.go
+++ b/client/alipayWeb.go
@@ -55,6 +55,10 @@ func (this *AliWebClient) Pay(charge *common.Charge) (map[string]string, error)
 	return map[string]string{"url": ToURL("https://mapi.alipay.com/gateway.do", m)}, nil
 }
 
+func (this *AliWebClient) CloseOrder(charge *common.Charge) (map[string]string, error) {
+	return map[string]string{}, errors.New("暂未开发该功能")
+}
+
 func (this *AliWebClient) PayToClient(charge *common.Charge) (map[string]string, error) {
 	return map[string]string{}, errors.New("暂未开发该功能")
 }
diff --git a/client/common.go b/client/common.go
index 3bbc315..2daa5cf 100644
--- a/client/common.go
+++ b/client/common.go
@@ -49,6 +49,48 @@ func WachatCompanyChange(mchAppid, mchid, key string, conn *HTTPSClient, charge
 	return struct2Map(result)
 }
 
+// 微信关闭订单
+func WachatCloseOrder(appid, mchid, key string, outTradeNo string) (common.WeChatQueryResult, error) {
+	var m = make(map[string]string)
+	m["appid"] = appid
+	m["mch_id"] = mchid
+	m["nonce_str"] = util.RandomStr()
+	m["out_trade_no"] = outTradeNo
+	m["sign_type"] = "MD5"
+
+	sign, err := WechatGenSign(key, m)
+	if err != nil {
+		return common.WeChatQueryResult{}, err
+	}
+	m["sign"] = sign
+
+	// 转出xml结构
+	result, err := PostWechat("https://api.mch.weixin.qq.com/pay/closeorder", m, nil)
+	if err != nil {
+		return common.WeChatQueryResult{}, err
+	}
+
+	return result, err
+}
+
+// 微信订单查询
+func WachatQueryOrder(appID, mchID, key, tradeNum string) (common.WeChatQueryResult, error) {
+	var m = make(map[string]string)
+	m["appid"] = appID
+	m["mch_id"] = mchID
+	m["out_trade_no"] = tradeNum
+	m["nonce_str"] = util.RandomStr()
+
+	sign, err := WechatGenSign(key, m)
+	if err != nil {
+		return common.WeChatQueryResult{}, err
+	}
+
+	m["sign"] = sign
+
+	return PostWechat("https://api.mch.weixin.qq.com/pay/orderquery", m, nil)
+}
+
 func WechatGenSign(key string, m map[string]string) (string, error) {
 	var signData []string
 	for k, v := range m {
diff --git a/client/wechatApp.go b/client/wechatApp.go
index 110f158..1cc565a 100644
--- a/client/wechatApp.go
+++ b/client/wechatApp.go
@@ -73,6 +73,11 @@ func (this *WechatAppClient) Pay(charge *common.Charge) (map[string]string, erro
 	return c, nil
 }
 
+// 关闭订单
+func (this *WechatAppClient) CloseOrder(outTradeNo string) (common.WeChatQueryResult, error) {
+	return WachatCloseOrder(this.AppID, this.MchID, this.Key, outTradeNo)
+}
+
 // 支付到用户的微信账号
 func (this *WechatAppClient) PayToClient(charge *common.Charge) (map[string]string, error) {
 	return WachatCompanyChange(this.AppID, this.MchID, this.Key, this.httpsClient, charge)
@@ -80,18 +85,5 @@ func (this *WechatAppClient) PayToClient(charge *common.Charge) (map[string]stri
 
 // QueryOrder 查询订单
 func (this *WechatAppClient) QueryOrder(tradeNum string) (common.WeChatQueryResult, error) {
-	var m = make(map[string]string)
-	m["appid"] = this.AppID
-	m["mch_id"] = this.MchID
-	m["out_trade_no"] = tradeNum
-	m["nonce_str"] = util.RandomStr()
-
-	sign, err := WechatGenSign(this.Key, m)
-	if err != nil {
-		return common.WeChatQueryResult{}, err
-	}
-
-	m["sign"] = sign
-
-	return PostWechat("https://api.mch.weixin.qq.com/pay/orderquery", m, nil)
+	return WachatQueryOrder(this.AppID, this.MchID, this.Key, tradeNum)
 }
diff --git a/client/wechatMiniProgram.go b/client/wechatMiniProgram.go
index ffbfaf2..1f822ca 100644
--- a/client/wechatMiniProgram.go
+++ b/client/wechatMiniProgram.go
@@ -35,7 +35,11 @@ type WechatMiniProgramClient struct {
 // Pay 支付
 func (this *WechatMiniProgramClient) Pay(charge *common.Charge) (map[string]string, error) {
 	var m = make(map[string]string)
-	m["appid"] = this.AppID
+	appId := this.AppID
+	if charge.APPID != "" {
+		appId = charge.APPID
+	}
+	m["appid"] = appId
 	m["mch_id"] = this.MchID
 	m["nonce_str"] = util.RandomStr()
 	m["body"] = TruncatedText(charge.Describe, 32)
@@ -60,7 +64,7 @@ func (this *WechatMiniProgramClient) Pay(charge *common.Charge) (map[string]stri
 	}
 
 	var c = make(map[string]string)
-	c["appId"] = this.AppID
+	c["appId"] = appId
 	c["timeStamp"] = fmt.Sprintf("%d", time.Now().Unix())
 	c["nonceStr"] = util.RandomStr()
 	c["package"] = fmt.Sprintf("prepay_id=%s", xmlRe.PrepayID)
@@ -74,6 +78,11 @@ func (this *WechatMiniProgramClient) Pay(charge *common.Charge) (map[string]stri
 	return c, nil
 }
 
+// 关闭订单
+func (this *WechatMiniProgramClient) CloseOrder(outTradeNo string) (common.WeChatQueryResult, error) {
+	return WachatCloseOrder(this.AppID, this.MchID, this.Key, outTradeNo)
+}
+
 // 支付到用户的微信账号
 func (this *WechatMiniProgramClient) PayToClient(charge *common.Charge) (map[string]string, error) {
 	return WachatCompanyChange(this.AppID, this.MchID, this.Key, this.httpsClient, charge)
@@ -81,18 +90,5 @@ func (this *WechatMiniProgramClient) PayToClient(charge *common.Charge) (map[str
 
 // QueryOrder 查询订单
 func (this *WechatMiniProgramClient) QueryOrder(tradeNum string) (common.WeChatQueryResult, error) {
-	var m = make(map[string]string)
-	m["appid"] = this.AppID
-	m["mch_id"] = this.MchID
-	m["out_trade_no"] = tradeNum
-	m["nonce_str"] = util.RandomStr()
-
-	sign, err := WechatGenSign(this.Key, m)
-	if err != nil {
-		return common.WeChatQueryResult{}, err
-	}
-
-	m["sign"] = sign
-
-	return PostWechat("https://api.mch.weixin.qq.com/pay/orderquery", m, nil)
+	return WachatQueryOrder(this.AppID, this.MchID, this.Key, tradeNum)
 }
diff --git a/client/wechatWeb.go b/client/wechatWeb.go
index bcb31f6..31c94d6 100644
--- a/client/wechatWeb.go
+++ b/client/wechatWeb.go
@@ -3,8 +3,8 @@ package client
 import (
 	"errors"
 	"fmt"
-	"github.com/milkbobo/gopay/common"
-	"github.com/milkbobo/gopay/util"
+	"github.com/fishedee/sdk/pay/common"
+	"github.com/fishedee/sdk/pay/util"
 	"time"
 )
 
@@ -70,6 +70,11 @@ func (this *WechatWebClient) Pay(charge *common.Charge) (map[string]string, erro
 	return c, nil
 }
 
+// 关闭订单
+func (this *WechatWebClient) CloseOrder(outTradeNo string) (common.WeChatQueryResult, error) {
+	return WachatCloseOrder(this.AppID, this.MchID, this.Key, outTradeNo)
+}
+
 // 支付到用户的微信账号
 func (this *WechatWebClient) PayToClient(charge *common.Charge) (map[string]string, error) {
 	return WachatCompanyChange(this.AppID, this.MchID, this.Key, this.httpsClient, charge)
@@ -77,18 +82,5 @@ func (this *WechatWebClient) PayToClient(charge *common.Charge) (map[string]stri
 
 // QueryOrder 查询订单
 func (this *WechatWebClient) QueryOrder(tradeNum string) (common.WeChatQueryResult, error) {
-	var m = make(map[string]string)
-	m["appid"] = this.AppID
-	m["mch_id"] = this.MchID
-	m["out_trade_no"] = tradeNum
-	m["nonce_str"] = util.RandomStr()
-
-	sign, err := WechatGenSign(this.Key, m)
-	if err != nil {
-		return common.WeChatQueryResult{}, err
-	}
-
-	m["sign"] = sign
-
-	return PostWechat("https://api.mch.weixin.qq.com/pay/orderquery", m, nil)
+	return WachatQueryOrder(this.AppID, this.MchID, this.Key, tradeNum)
 }
diff --git a/common/common.go b/common/common.go
index 438ae91..792b4a4 100644
--- a/common/common.go
+++ b/common/common.go
@@ -12,6 +12,7 @@ type PayClient interface {
 
 // Charge 支付参数
 type Charge struct {
+	APPID       string  `json:"-"`
 	TradeNum    string  `json:"tradeNum,omitempty"`
 	Origin      string  `json:"origin,omitempty"`
 	UserID      string  `json:"userId,omitempty"`
diff --git a/constant/pay.go b/constant/pay.go
index ad4c3a1..d14b027 100644
--- a/constant/pay.go
+++ b/constant/pay.go
@@ -1,9 +1,9 @@
 package constant
 
 const (
-	ALI_WEB               = iota + 1 // 支付宝网页
-	ALI_APP                          // 支付宝App
-	WECHAT_WEB                       // 微信网页
-	WECHAT_APP                       // 微信App
-	WECHAT_MINI_PROGRAM              // 微信小程序
+	ALI_WEB             = iota + 1 // 支付宝网页
+	ALI_APP                        // 支付宝App
+	WECHAT_WEB                     // 微信网页
+	WECHAT_APP                     // 微信App
+	WECHAT_MINI_PROGRAM            // 微信小程序
 )