diff --git a/app/models/journals_for_message.rb b/app/models/journals_for_message.rb
index ec59c6dca..35a58ec4c 100644
--- a/app/models/journals_for_message.rb
+++ b/app/models/journals_for_message.rb
@@ -26,7 +26,7 @@ class JournalsForMessage < ApplicationRecord
   # "is_comprehensive_evaluation",  # 1 教师评论、2 匿评、3 留言
   # "hidden", 隐藏、
 
-  validates :notes, length: { maximum: 1000, message: "内容不能超过1000个字符" }
+  validates_length_of :notes, maximum: 1000, message: "内容不能超过1000个字符"
 
   after_create :send_tiding