update 供应商相关接口

application/services/goods/OtaService.php

@@ -58,17 +58,19 @@ class OtaService
         }
 
         //检查打印机是否已存在 -- 打印机已被（商家名称）绑定
-        $printer = self::list('',$params['printer_sn']);
-
-        if ($printer['total'] > 0) {
-            throw new GoodsException(
-                ['cus' => GoodsException::PRINTER_ALREADY_EXIST,'data'=>[$printer['list'][0]['ota_name']]]
-            );
+        if(isset($params['printer_sn']) && $params['printer_sn']) {
+            $printer = self::list('',$params['printer_sn']);
+
+            if ($printer['total'] > 0) {
+                throw new GoodsException(
+                    ['cus' => GoodsException::PRINTER_ALREADY_EXIST,'data'=>[$printer['list'][0]['ota_name']]]
+                );
+            }
         }
 
         $data['ota_name'] = $params['ota_name'];
-        $data['printer_sn'] = $params['printer_sn'];
-        $data['printer_key'] = $params['printer_key'];
+        $data['printer_sn'] = $params['printer_sn'] ?? '';
+        $data['printer_key'] = $params['printer_key'] ?? '';
 
         return Ota::insert($data);
     }