更改：反馈意见编辑器隐藏上传按钮

app/views/admins/feedbacks/new_history.js.erb

@@ -1,3 +1,3 @@
 $("#feedback-modals").html("<%= j render(partial: 'admins/feedbacks/history_form_modal', locals: {type: 'new_history'}) %>")
 $(".feedback-history-change-modal").modal('show');
-createMDEditor('feedback-history-email-editor', {width: 750, height: 300, placeholder: '请输入邮件正文',watch: false });
+createMDEditor('feedback-history-email-editor', {width: 750, height: 300, placeholder: '请输入邮件正文',watch: false, imageUpload: false });