diff --git a/_book/index.html b/_book/index.html
index 47e15c383d902b8becbbe86cd05fc884f9d95bd1..92bc79368691f83fa20a5c97e4824ef6cbe46bba 100644
--- a/_book/index.html
+++ b/_book/index.html
@@ -1258,7 +1258,7 @@
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-			gitbook.page.hasChanged({"page":{"title":"首页","level":"1.1","depth":1,"next":{"title":"概览","level":"1.2","depth":1,"path":"docs/overview.md","ref":"docs/overview.md","articles":[]},"dir":"ltr"},"config":{"plugins":["favicon","back-to-top-button","popup","theme-fexa","-sharing","sharing-plus","tbfed-pagefooter","chapter-fold","-lunr","-search","search-pro","livereload"],"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"tbfed-pagefooter":{"copyright":"Copyright &copy CODECHINA 2020","modify_label":"该文件修订时间：","modify_format":"YYYY-MM-DD HH:mm:ss"},"chapter-fold":{},"livereload":{},"search-pro":{},"sharing-plus":{"qq":false,"all":["facebook","google","twitter","instapaper","linkedin","pocket","stumbleupon"],"douban":false,"facebook":true,"weibo":false,"instapaper":false,"whatsapp":false,"hatenaBookmark":false,"twitter":true,"messenger":false,"line":false,"vk":false,"pocket":true,"google":false,"viber":false,"stumbleupon":false,"qzone":false,"linkedin":false},"popup":{},"theme-fexa":{"search-placeholder":"输入关键字搜索","logo":"/docs/img/logo.png","favicon":"","url":"/"},"fontsettings":{"theme":"white","family":"sans","size":2},"highlight":{},"favicon":{"shortcut":"/docs/img/logo-s.png","bookmark":"/docs/img/logo-s.png","appleTouch":"/docs/img/logo-s.png","appleTouchMore":{"120x120":"","180x180":"/docs/img/logo-s.png"}},"back-to-top-button":{},"sharing":{"douban":true,"facebook":false,"google":false,"qq":true,"qzone":true,"twitter":false,"weibo":true,"all":["douban","facebook","google","instapaper","linkedin","twitter","weibo","messenger","qq","qzone","viber","whatsapp"]},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false}},"theme":"default","author":"Miykael","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{"themeFexa":{"nav":[{"url":"/","target":"_blank","name":"开始使用"}]}},"title":"CODEChina帮助文档","language":"zh-hans","links":{"sidebar":{}},"gitbook":"*","description":"CODEChina开源社区用户使用及帮助文档"},"file":{"path":"README.md","mtime":"2020-09-01T02:50:43.664Z","type":"markdown"},"gitbook":{"version":"3.2.2","time":"2020-09-04T09:55:19.962Z"},"basePath":".","book":{"language":""}});
+			gitbook.page.hasChanged({"page":{"title":"首页","level":"1.1","depth":1,"next":{"title":"概览","level":"1.2","depth":1,"path":"docs/overview.md","ref":"docs/overview.md","articles":[]},"dir":"ltr"},"config":{"plugins":["favicon","back-to-top-button","popup","theme-fexa","-sharing","sharing-plus","tbfed-pagefooter","chapter-fold","-lunr","-search","search-pro","livereload"],"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"tbfed-pagefooter":{"copyright":"Copyright &copy CODECHINA 2020","modify_label":"该文件修订时间：","modify_format":"YYYY-MM-DD HH:mm:ss"},"chapter-fold":{},"livereload":{},"search-pro":{},"sharing-plus":{"qq":false,"all":["facebook","google","twitter","instapaper","linkedin","pocket","stumbleupon"],"douban":false,"facebook":true,"weibo":false,"instapaper":false,"whatsapp":false,"hatenaBookmark":false,"twitter":true,"messenger":false,"line":false,"vk":false,"pocket":true,"google":false,"viber":false,"stumbleupon":false,"qzone":false,"linkedin":false},"popup":{},"theme-fexa":{"search-placeholder":"输入关键字搜索","logo":"/docs/img/logo.png","favicon":"","url":"/"},"fontsettings":{"theme":"white","family":"sans","size":2},"highlight":{},"favicon":{"shortcut":"/docs/img/logo-s.png","bookmark":"/docs/img/logo-s.png","appleTouch":"/docs/img/logo-s.png","appleTouchMore":{"120x120":"","180x180":"/docs/img/logo-s.png"}},"back-to-top-button":{},"sharing":{"douban":true,"facebook":false,"google":false,"qq":true,"qzone":true,"twitter":false,"weibo":true,"all":["douban","facebook","google","instapaper","linkedin","twitter","weibo","messenger","qq","qzone","viber","whatsapp"]},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false}},"theme":"default","author":"Miykael","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{"themeFexa":{"nav":[{"url":"/","target":"_blank","name":"开始使用"}]}},"title":"CODEChina帮助文档","language":"zh-hans","links":{"sidebar":{}},"gitbook":"*","description":"CODEChina开源社区用户使用及帮助文档"},"file":{"path":"README.md","mtime":"2020-09-01T02:50:43.664Z","type":"markdown"},"gitbook":{"version":"3.2.2","time":"2020-09-05T04:03:13.931Z"},"basePath":".","book":{"language":""}});
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diff --git a/docs/user/project/issues/due-date.md b/docs/user/project/issues/due-date.md
index e5640e01e186870924d5a717721397ce6ef4e293..650957af1f1d67e03b8d56e49b799d211ad1922b 100644
--- a/docs/user/project/issues/due-date.md
+++ b/docs/user/project/issues/due-date.md
@@ -1,40 +1,27 @@
-# 截止日期[](#截止日期 "Permalink")
+# 截止日期[](#due-date "Permalink")
 
-在 GitLab 8.7 中[引入](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/3614) .
+截止日期在 Issue 中可用于跟踪 deadlines 以确保功能的按期交付。您至少需要 Reporter 权限才可以编辑截止日期，但任何具有 Issue 查看权限的用户都可以看到截止日期。
 
-请通读[GitLab 问题文档](index.html)以获取有关 GitLab 问题的概述.
+## 设置截止日期[](#setting-a-due-date "Permalink")
 
-Due dates can be used in issues to keep track of deadlines and make sure features are shipped on time. Users must have at least [Reporter permissions](../../permissions.html) to be able to edit them, but they can be seen by everybody with permission to view the issue.
+创建或编辑 Issue 时，您可以点击**截止日期**字段，然后出现一个日历来帮助您选择所需的日期。要删除日期，请选择日期文本并将其删除即可。该日期的时区与服务器的时区有关，与用户的时区无关。
 
-## Setting a due date[](#setting-a-due-date "Permalink")
+您还可以通过 Issue 侧边栏设置截止日期。在 Issue 详情页的右侧找到**截止日期**，然后单击**编辑**以选择截止日期或删除现有的日期，您所作的更改将立即保存。
 
-创建或编辑问题时，您可以单击**截止日期**字段，然后出现一个日历来帮助您选择所需的日期. 要删除日期，请选择日期文本并将其删除. 该日期与服务器的时区有关，而不与设置到期日期的用户的时区有关.
+设置截止日期的最后一种方法是直接在 Issue 的描述或评论中使用[快速操作](../quick_actions.html) ：
 
-[![Create a due date](img/36abd47af07b3b82f814e74be4619b4d.png)](img/due_dates_create.png)
+*   `/due <date>` ：设置到期日， 有效的`<date>`示例包括`in 2 days` 、`this Friday`和`December 31st` 
+*   `/remove_due_date` ：删除到期日
 
-您还可以通过问题侧边栏设置截止日期. 展开边栏，然后单击" **编辑"**以选择截止日期或删除现有的日期. 更改将立即保存.
+## 利用好截止日期[](#making-use-of-due-dates "Permalink")
 
-[![Edit a due date via the sidebar](img/2dde5152cc249727c2d1016051d52131.png)](img/due_dates_edit_sidebar.png)
-
-设置截止日期的最后一种方法是直接在问题的描述或注释中使用[快速操作](../quick_actions.html) ：
-
-*   `/due <date>` ：设置到期日. 有效的`<date>`示例包括`in 2 days` （ `this Friday`和`December 31st` .
-*   `/remove_due_date` ：删除到期日.
-
-## Making use of due dates[](#making-use-of-due-dates "Permalink")
-
-具有到期日期的问题可以在问题跟踪器中轻松查看，并在它们旁边显示一个日期. 日期过期的问题将图标和日期标记为红色. 您可以从右侧的下拉菜单中按`Due soon` `Due later`或`Due later` `Due soon`问题对问题进行排序.
-
-[![Issues with due dates in the issues index page](img/371d1ca1640afbd824acc19b18bc40c9.png)](img/due_dates_issues_index_page.png)
+设置了截止日期的 Issue 可以在 Issue 跟踪器中轻松查看到，并在它们旁边显示了截止日期，日期过期的 Issue 会将图标和日期显示为红色。您可以从右侧的下拉菜单中按截止日期倒叙/顺序对 Issue 进行排序。
 
 截止日期也会出现在您的[待办事项清单中](../../todos.html) .
 
-[![Issues with due dates in the todos](img/9d0b2e21b9be06d263674db132420176.png)](img/due_dates_todos.png)
-
-未解决问题的前一天，将向该问题的所有参与者发送电子邮件. 与截止日期一样，"截止日期之前的一天"由服务器的时区确定.
+未解决 Issue 在截止日期的前一天，系统将向该 Issue 的所有参与者发送电子邮件，与截止日期一样，"截止日期前的一天"由服务器的时区来确定。
 
-截止日期的问题也可以导出为 iCalendar 供稿. 提要的 URL 可以添加到日历应用程序中. 通过单击以下页面上的**订阅日历**按钮可以访问该提要：
+截止日期的问题也可以导出为 iCalendar，可以将 URL 添加到日历应用 app 中。通过单击以下页面上的**订阅日历**按钮可以访问该 URL：
 
-*   在**分配的问题**页面上，该页面链接在 GitLab 标头的右侧
-*   在" **项目问题"**页面上
-*   在**组问题**页面上
\ No newline at end of file
+*   在**分配的 Issue **页面上，链接在该页面的右上方
+*   在**项目 Issue **页面上