diff --git a/application/api/controller/Payment.php b/application/api/controller/Payment.php
index b5728d5..f6a82a5 100644
--- a/application/api/controller/Payment.php
+++ b/application/api/controller/Payment.php
@@ -37,7 +37,7 @@ class Payment extends Controller
             return V(0, '请选择正确的充值金额',  null);
         }
         $user_code = db::name('user')->where(["id" => $user_id])->value('user_code');
-        $title = "APP充值到用户 " . ($user_code ?? "") . " 余额！";
+        $title = "APP充值到用户". ($user_code ?? "") ."余额！";
 
         $order_number = $this->createOrderSn();
         $data['order_sn'] = $order_number;