优惠券返券活动--处理获取ssdb失败

app/Admin/Forms/CouponTieForm.php

@@ -44,7 +44,13 @@ class CouponTieForm extends Form
     {
         $this->ssdb = new SsdbClient();
         $coupon = $this->ssdb->client()->hgetall('coupon_rebate_activity');
-
+        if(empty($coupon)){
+            $coupon = [
+                'activity'=> 0,
+                'forward'=> '',
+                'repay' => ''
+            ];
+        }
         $this->text('activity')->required()->value($coupon['activity']);
         $this->text('forward')->required()->value($coupon['forward']);
         $this->text('repay')->required()->value($coupon['repay']);