回复

app/decorators/tiding_decorator.rb

@@ -206,7 +206,7 @@ module TidingDecorator
         format_str % [parent_container.shixun.name, parent_container.position]
       end
     when 'Memo', 'Message' then
-      message = parent_container.parent_id.present? ? message_content_helper(parent_container.content) : parent_container.subject
+      message = parent_container.main_subject
       I18n.t(locale_format(parent_container_type, parent_container.parent_id.present?)) % message
     when 'HomeworkCommon' then
       I18n.t(locale_format(parent_container_type)) % parent_container.name

app/models/memo.rb

@@ -39,6 +39,11 @@ class Memo < ApplicationRecord
     Memo.where(parent_id: id).includes(:author).reorder("created_at asc")
   end
 
+  # 主贴的名称
+  def main_subject
+    parent.present? ? parent.subject : subject
+  end
+
   private
 
   def send_tiding

app/models/message.rb

@@ -39,6 +39,11 @@ class Message < ApplicationRecord
     message_detail.update_attributes(content: content)
   end
 
+  # 主贴的名称
+  def main_subject
+    parent.present? ? parent.subject : subject
+  end
+
   def copy_attachments_to_new_message(new_message, user)
     attachments.each do |attach|
       new_message.attachments << Attachment.new(attach.attributes.except("id").merge(