diff --git a/app/models/hack.rb b/app/models/hack.rb
index 9c8ca44fb..4ae0f4eb5 100644
--- a/app/models/hack.rb
+++ b/app/models/hack.rb
@@ -4,8 +4,8 @@ class Hack < ApplicationRecord
   # 编程题
   validates_length_of :name, maximum: 60, message: "不能超过60个字符"
   validates_length_of :description, maximum: 5000, message: "不能超过5000个字符"
-  validates :description, presence: { message: "描述不能为空" }
-  validates :name, presence: { message: "名称不能为空" }
+  validates_presence_of :description, message: "描述不能为空"
+  validates_presence_of :name,  message: "名称不能为空"
   # 测试集
   has_many :hack_sets, ->{order("position asc")}, :dependent => :destroy
   # 代码
diff --git a/app/models/hack_set.rb b/app/models/hack_set.rb
index 3349b0ae6..a63fc86bd 100644
--- a/app/models/hack_set.rb
+++ b/app/models/hack_set.rb
@@ -3,7 +3,7 @@ class HackSet < ApplicationRecord
   validates_length_of :output, maximum: 1000, message: "不能超过1000个字符"
   #validates :input, presence: { message: "测试集输入不能为空" }
   validates_presence_of :output, message: "不能为空"
-  validates_uniqueness_of :input, scope: [:hack_id, :input], message: "多个测试集的输入不能相同"
+  #validates_uniqueness_of :input, scope: [:hack_id, :input], message: "多个不能相同"
   # 编程题测试集
   belongs_to :hack
 end