@ -33,7 +33,7 @@ class WxMicroPay extends WxPayCommon
throw new Exception("缺少必填参数total_fee!");
} elseif (!$this->parameters["auth_code"]) {
throw new Exception("缺少必填参数auth_code!");
} elseif (strlen($this->parameters["auth_code"]) != 18) {
} elseif (strlen((string)$this->parameters["auth_code"]) != 18) {
throw new Exception("支付码不正确!");
}