diff --git a/PayServer/src/base/platApi/qqApi.go b/PayServer/src/base/platApi/qqApi.go
index 5ed45fe..ca50486 100755
--- a/PayServer/src/base/platApi/qqApi.go
+++ b/PayServer/src/base/platApi/qqApi.go
@@ -70,7 +70,7 @@ func QQPrePay(openid string, appid string, zone string, amt string, goodId strin
 	h.Write([]byte(param))
 	sign := hex.EncodeToString(h.Sum(nil))
 	value.Set("sig", sign)
-	data, _ := json.Marshal(value)
+	data, _ := json.Marshal(util.UrlValuesToMap(value))
 	resp, err := http.Post(u, "application/json;charset=UTF-8", bytes.NewReader(data))
 	if err != nil {
 		log.Error("Post error ", err)
diff --git a/PayServer/src/base/util/strconvUtil.go b/PayServer/src/base/util/strconvUtil.go
index 2451695..ef8062a 100755
--- a/PayServer/src/base/util/strconvUtil.go
+++ b/PayServer/src/base/util/strconvUtil.go
@@ -4,6 +4,7 @@ import (
 	"encoding/binary"
 	"math"
 	"math/rand"
+	"net/url"
 	"strconv"
 	"strings"
 	"time"
@@ -401,3 +402,15 @@ func CombineMapU64U32(m1, m2 map[uint64]uint32) map[uint64]uint32 {
 
 	return m1
 }
+
+func UrlValuesToMap(v url.Values) map[string]string {
+	ret := make(map[string]string)
+	for k := range v {
+		if len(v[k]) > 0 {
+			ret[k] = v[k][0]
+		} else {
+			ret[k] = ""
+		}
+	}
+	return ret
+}