fix bug

showPhotos/js/page/signup.js

@@ -19,6 +19,7 @@ $(function () {
     removeAttr();
     btnBindClick();// 绑定点击事件
     $('#act11739232574395').attr({ 'readonly': 'readonly' });
+    $("#uploadImage").attr("multiple","multiple");
     getOrgNameFn(function(data){
         $('#act11739232574395').val(data.records.orgName)
     });