- mtps cancel_reason_id is not mandatory,

- fix check mandatory bug.

utils/utils.go

@@ -116,10 +116,10 @@ func Bool2String(value bool) string {
 	return "false"
 }
 
-func Str2Int(str string) int {
-	retVal, err := strconv.Atoi(str)
+func Str2Int64WithDefault(str string, defValue int64) int64 {
+	retVal, err := strconv.ParseInt(str, 10, 64)
 	if err != nil {
-		baseapi.SugarLogger.Errorf("error when convert %s to int", str)
+		return defValue
 	}
 	return retVal
 }