采购员重复问题

app/Http/Services/SupplierContactService.php

@@ -65,7 +65,12 @@ class SupplierContactService
         }
         //找出所有的联系人对应的采购id,更新主表
         $canCheckUids = $model->where('supplier_id', $supplierId)->pluck('can_check_uids');
-        $canCheckUids = !empty($canCheckUids) ? implode(',', $canCheckUids->toArray()) : '';
+        if (!empty($canCheckUids)) {
+            $canCheckUids = array_unique($canCheckUids->toArray());
+            $canCheckUids = implode(',', $canCheckUids);
+        }else{
+            $canCheckUids = '';
+        }
         //不存在则写入
 //        if (!in_array($contact['can_check_uids'], $channelUid)) {
 //            $channelUid[] = $contact['can_check_uids'];