调整

app/views/memos/_memo.json.jbuilder

@@ -9,6 +9,6 @@ json.memo do
   json.tag memo.tag_repertoires.map(&:name)
   json.time memo.created_at
   json.replies_count memo.all_replies_count
-  json.user_praise memo.praise_treads.user_liker(@user.try(:id)).count > 1 ? true : false
+  json.user_praise memo.praise_treads.user_liker(@user.try(:id)).count > 0 ? true : false
   json.memo_praise_count memo.praise_treads.liker.count
 end