回复问题

app/views/messages/reply.json.jbuilder

@@ -1,7 +1,7 @@
 json.partial! "commons/success"
 json.data do
   json.id  @reply.id
-  json.content content_safe(@reply.content)
+  json.content content_safe(@reply.message_detail&.content)
   json.author do
     json.partial! "users/user_simple", user: @reply.author
   end

app/views/users/reply_message.json.jbuilder

@@ -1,4 +1,4 @@
 json.status 0
 json.message "success"
 json.id @message.id
-json.content content_safe(@message.content)
+json.content content_safe(@message.message_detail&.content)