diff --git a/platformapi/recharge_phone_bill/recharge_api.go b/platformapi/recharge_phone_bill/recharge_api.go
index e9f2ab31..c72dd9f1 100644
--- a/platformapi/recharge_phone_bill/recharge_api.go
+++ b/platformapi/recharge_phone_bill/recharge_api.go
@@ -41,8 +41,9 @@ func (a *API) signParam(params map[string]interface{}) (sig string) {
 	if params["mobile"] != "" && params["flowCode"] != "" && params["orderNumber"] != "" && params["mobile"] != nil && params["flowCode"] != nil && params["orderNumber"] != nil {
 		paramsSign = params["mobile"].(string) + params["flowCode"].(string) + params["orderNumber"].(string)
 	}
-	md5Password := fmt.Sprintf("%X", fmt.Sprintf("%X", md5.Sum([]byte(a.password)))+paramsSign+a.secret)
-	return md5Password
+	oneMd5 := fmt.Sprintf("%x", md5.Sum([]byte(a.password))) + paramsSign + a.secret
+	//twoMd5 := strings.ToUpper(fmt.Sprintf("%X", md5.Sum([]byte(oneMd5))))
+	return strings.ToUpper(fmt.Sprintf("%x", md5.Sum([]byte(oneMd5))))
 }
 
 func (a *API) AccessAPI(baseUrl, actionApi, method string, bizParams map[string]interface{}) (retVal map[string]interface{}, err error) {
diff --git a/platformapi/recharge_phone_bill/recharge_test.go b/platformapi/recharge_phone_bill/recharge_test.go
new file mode 100644
index 00000000..86becabc
--- /dev/null
+++ b/platformapi/recharge_phone_bill/recharge_test.go
@@ -0,0 +1,11 @@
+package recharge_phone_bill
+
+import "testing"
+
+//AccountNo = "cdrxqgmc"
+//PasswordNo = "cdrxqgmc1234"
+//PhoneScenery  = "cdrxqgmc123456"
+func TestQueryAccountBill(t *testing.T) {
+	a := New("cdrxqgmc1234", "cdrxqgmc", "cdrxqgmc123456")
+	a.QueryAccountBill()
+}