diff --git a/wwwroot/api/contract_attach.ui b/wwwroot/api/contract_attach.ui
index e8c5cbb..9a8bb28 100644
--- a/wwwroot/api/contract_attach.ui
+++ b/wwwroot/api/contract_attach.ui
@@ -37,7 +37,7 @@
                 "wid": "self",
                 "event": "changed",
                 "actiontype": "script",
-                "script": "var files=this.get_files();if(!files||!files.length)return;var fd=new FormData();fd.append('folderid','{{folder}}');fd.append('fiid','{{fiid}}');for(var i=0;i<files.length;i++)fd.append('upfile',files[i]);fetch('{{upload_url}}',{method:'POST',body:fd}).then(function(r){if(r.ok){var tbl=bricks.app.getWidgetById('attach_tbl');if(tbl)tbl.render({});}else{r.text().then(function(t){bricks.app.show_error('上传失败',t)})}}).catch(function(e){bricks.app.show_error('上传失败',e.message)})"
+                "script": "var files=this.value;if(!files||!files.length)return;var fd=new FormData();fd.append('folderid','{{folder}}');fd.append('fiid','{{fiid}}');for(var i=0;i<files.length;i++)fd.append('upfile',files[i]);fetch('{{upload_url}}',{method:'POST',body:fd}).then(function(r){if(r.ok){var tbl=bricks.app.getWidgetById('attach_tbl');if(tbl)tbl.render({});}else{r.text().then(function(t){bricks.app.show_error('上传失败',t)})}}).catch(function(e){bricks.app.show_error('上传失败',e.message)})"
             }]
         },
         {