diff --git a/modules/api/models/SigningForm.php b/modules/api/models/SigningForm.php
index 9f8de5f..b4a845c 100644
--- a/modules/api/models/SigningForm.php
+++ b/modules/api/models/SigningForm.php
@@ -67,9 +67,9 @@ class SigningForm extends ApiModel
             $signing->update_time = time();
         } else {
             $signing = new Signing();
-            $signing->order_no = $this->orderNo();
             $signing->create_time = time();
         }
+        $signing->order_no = $this->orderNo();
         $signing->user_id = $this->user_id;
         $signing->goods_id = $goods->id;
         $signing->moy = $goodsAttr->price * $this->number;