merge from develop

app/models/issue_tag.rb

@@ -28,6 +28,8 @@ class IssueTag < ApplicationRecord
   belongs_to :project, optional: true, counter_cache: true
   belongs_to :user, optional: true
 
+  validates :name, uniqueness: { message: "已存在" }
+
   def self.init_data(project_id)
     data = [
       ["缺陷", "表示存在意外问题或错误", "#d92d4c"],

config/locales/zh-CN.yml

@@ -234,6 +234,8 @@ zh-CN:
         content: 'git忽略文件内容'
       feedback_message_history: 
         title: ''
+      issue_tag: 
+        name: '项目标记'
     close_pr: 合并请求
   roles: 
     Developer: 开发者