diff --git a/app/controllers/admins/project_licenses_controller.rb b/app/controllers/admins/project_licenses_controller.rb
index 5c16a884b..44ae75118 100644
--- a/app/controllers/admins/project_licenses_controller.rb
+++ b/app/controllers/admins/project_licenses_controller.rb
@@ -1,6 +1,6 @@
 class Admins::ProjectLicensesController < Admins::BaseController 
   before_action :set_license, only: [:edit,:update, :destroy,:show]
-  before_action :validate_params, only: [:create, :update]
+  # before_action :validate_params, only: [:create, :update]
 
   def index
     sort_by = License.column_names.include?(params[:sort_by]) ? params[:sort_by] : 'created_at'
@@ -30,13 +30,12 @@ class Admins::ProjectLicensesController < Admins::BaseController
     #   position: max_position
     # }
     @project_license = License.new(license_params)
-
-    if @project_license.save!
+    if @project_license.save
       redirect_to admins_project_licenses_path 
       flash[:success] = "创建成功"
     else
-      render :new
-      flash[:danger] = "创建失败"
+      redirect_to admins_project_licenses_path 
+      flash[:danger] = @project_license.errors.full_messages.join(",")
     end
   end
 
@@ -54,12 +53,13 @@ class Admins::ProjectLicensesController < Admins::BaseController
     #   permissions: permissions.to_s,
     #   limitations: limitations.to_s
     # }
-    if @project_license.update_attributes(license_params)
+    @project_license.attributes = license_params
+    if @project_license.save
       redirect_to admins_project_licenses_path 
       flash[:success] = "更新成功"
     else
-      render :edit
-      flash[:danger] = "更新失败"
+      render admins_project_licenses_path 
+      flash[:danger] = @project_license.errors.full_messages.join(",")
     end
   end
 
@@ -98,23 +98,23 @@ class Admins::ProjectLicensesController < Admins::BaseController
     params.require(:license).permit(:name,:content)
   end
 
-  def validate_params
-    name = params[:license][:name]
-    if name.blank? 
-      flash[:danger] = "名称不允许为空"
-      redirect_to admins_project_licenses_path
-    elsif check_license_present?(name) && @project_license.blank?
-      flash[:danger] = "创建失败:名称已存在"
-      redirect_to admins_project_licenses_path
-    end
-  end
+  # def validate_params
+  #   name = params[:license][:name]
+  #   if name.blank? 
+  #     flash[:danger] = "名称不允许为空"
+  #     redirect_to admins_project_licenses_path
+  #   elsif check_license_present?(name) && @project_license.blank?
+  #     flash[:danger] = "创建失败:名称已存在"
+  #     redirect_to admins_project_licenses_path
+  #   end
+  # end
 
-  def check_license_present?(name)
-    return true if name.blank?
-    name_downcase = name.downcase
-    name_upcase = name.upcase
-    name_first_big = name.capitalize
-    License.exists?(name: name_downcase) || License.exists?(name: name_upcase) || License.exists?(name: name_first_big)
-  end
+  # def check_license_present?(name)
+  #   return true if name.blank?
+  #   name_downcase = name.downcase
+  #   name_upcase = name.upcase
+  #   name_first_big = name.capitalize
+  #   License.exists?(name: name_downcase) || License.exists?(name: name_upcase) || License.exists?(name: name_first_big)
+  # end
 
 end
diff --git a/app/models/license.rb b/app/models/license.rb
index 0a14fb85e..676254717 100644
--- a/app/models/license.rb
+++ b/app/models/license.rb
@@ -11,4 +11,8 @@
 
 class License < ApplicationRecord
   include Projectable
+
+  validates :content, presence: true
+  validates :name, uniqueness: true, presence: true
+
 end
diff --git a/config/locales/zh-CN.yml b/config/locales/zh-CN.yml
index 62ea16966..95b7c429b 100644
--- a/config/locales/zh-CN.yml
+++ b/config/locales/zh-CN.yml
@@ -223,6 +223,9 @@ zh-CN:
         platform: '直播平台'
         live_time: '开播时间'
         duration: '直播时长'
+      license: 
+        name: '许可证名称'
+        content: '许可证内容'
     close_pr: 合并请求
   roles: 
     Developer: 开发者