diff --git a/api/controllers/wxapp/licheb/Customers.php b/api/controllers/wxapp/licheb/Customers.php
index deba20d5..fa801dd9 100644
--- a/api/controllers/wxapp/licheb/Customers.php
+++ b/api/controllers/wxapp/licheb/Customers.php
@@ -423,12 +423,12 @@ class Customers extends Wxapp
                     throw new Exception("请选择标签[{$val['name']}]！", ERR_PARAMS_ERROR);
                 }*/
                 $tag_arr_all = array_merge($tag_arr_all, $tag_arr);
-                $tag_str .= $val['name'].': '.implode(', ', $tag_arr).'; ';
+                $tag_arr && $tag_str .= $val['name'].': '.implode(', ', $tag_arr).'; ';
             }
             if (!$tag_checked){
                 throw new Exception("请选择至少一个标签！", ERR_PARAMS_ERROR);
             }
-            $tag_str = implode(', ', $tag_arr_all);
+            #$tag_str = implode(', ', $tag_arr_all);
             $jsondata = $row['jsondata'] ? json_decode($row['jsondata'], true) : array();
             $jsondata['defeat']['time'] = date("Y-m-d H:i:s");
             $jsondata['defeat']['reason'] = $defeat_reason."({$tag_str})";