update: end()函数报错问题

application/services/goods/ElasticGoodService.php

@@ -159,7 +159,7 @@ class ElasticGoodService
                 $result["list"][$key]["life_account_id"] = $source["_source"]["life_account_id"];
                 $result["list"][$key]["life_account_name"] = $source["_source"]["life_account_name"];
                 $result["list"][$key]["life_account_icon"] = $source["_source"]["life_account_icon"];
-                $result["list"][$key]["distance"] = empty(end($source["sort"])) ? "" : round(end($source["sort"]), 2) . "km";
+                $result["list"][$key]["distance"] = empty($source["sort"]) ? "" : round(end($source["sort"]), 2) . "km";
                 $result["list"][$key]["update_time"] = $source["_source"]["update_time"];
             }
         }