消息跳转bug修复

pages/tabbar/message/details.js

@@ -48,7 +48,7 @@ Page({
 										break; */
 				default:
 					let arr = item.path.split("/");
-					arr[arr.length - 1] = 'detail';
+					arr[arr.length - 1] = ["sys_attachment"].includes(item.objectname) ? 'index' : 'detail';
 					item.path = arr.join("/");
 					break;
 			}