diff --git a/app/controller/CustomerController.php b/app/controller/CustomerController.php
index 1763baa..5d6fc82 100644
--- a/app/controller/CustomerController.php
+++ b/app/controller/CustomerController.php
@@ -200,6 +200,7 @@ class CustomerController
 //            });
 
             //查询有$tagId 里所有标签的客户
+            $tagId = explode(',', $tagId);
             foreach ($tagId as $id) {
                 $query->whereHas('tags', function($query) use ($id){
                     $query->where('tag.id', $id);