diff --git a/language/zh_CN/admin.lang.php b/language/zh_CN/admin.lang.php
index afb40bd09..23dcdbb9f 100644
--- a/language/zh_CN/admin.lang.php
+++ b/language/zh_CN/admin.lang.php
@@ -379,7 +379,7 @@ $lang['An information email was sent to group "%s"'] = '已向 "%s" 组的成员
 $lang['Send an information email to group members'] = '向组成员发送一份信息邮件';
 $lang['Group'] = '组';
 $lang['[%s] Visit album %s'] = '[%s] 访问相册 %s';
-$lang['Hello,'] = '您好，';
+$lang['Hello,'] = '您好：';
 $lang['See you soon.'] = '回见。';
 $lang['Discover album:'] = '探索相册：';
 $lang['Mail content'] = '邮件内容';
@@ -654,7 +654,7 @@ $lang['Batch Manager'] = '批量管理';
 $lang['Choose an action'] = '选择一项操作';
 $lang['Delete orphan tags'] = '删除未关联任何图片的标签';
 $lang['delete photo'] = '删除图片';
-$lang['Duplicates'] = '副本';
+$lang['Duplicates'] = '重复项';
 $lang['include child albums'] = '包含子相册';
 $lang['manual order'] = '手动排序';
 $lang['No photo in the current set.'] = '当前集合没有图片。';
@@ -899,10 +899,10 @@ $lang['%d week'] = '%d周';
 $lang['Edit photo'] = '编辑图片';
 $lang['create a new site'] = '创建一个新站点';
 $lang['No order field selected'] = '未选择排序字段';
-$lang['Duplicate selected tags'] = '复制选中的标签';
-$lang['Name of the duplicate'] = '副本的名称';
+$lang['Duplicate selected tags'] = '标记选中的重复项';
+$lang['Name of the duplicate'] = '重复项名称';
 $lang['Source tag'] = '源标签';
-$lang['Tag "%s" is now a duplicate of "%s"'] = '标签 "%s" 已是标签 "%s" 的一个副本';
+$lang['Tag "%s" is now a duplicate of "%s"'] = '标签"%s"现已标记为"%s"的重复项';
 $lang['Landscape'] = '风景(宽＞高)';
 $lang['Manage photos'] = '管理图片';
 $lang['Minimum height'] = '最小高度';
@@ -921,7 +921,7 @@ $lang['No members to manage'] = '没有可管理的用户';
 $lang['Please select at least two groups'] = '请至少选择两个组';
 $lang['Rename'] = '重命名';
 $lang['Type here the name of the new group'] = '在此输入新组的名称';
-$lang['Duplicate'] = '复制';
+$lang['Duplicate'] = '重复项';
 $lang['Manage the members'] = '管理用户';
 $lang['Merge selected groups'] = '合并所选组';
 $lang['No groups selected, no actions possible.'] = '没有组被选中，不能执行任何操作。';
@@ -978,16 +978,16 @@ $lang['Delete %d orphan photos'] = '删除 %d 没有任何关联的图片';
 $lang['Orphans'] = '没有任何关联';
 $lang['delete album and all %d photos, even the %d associated to other albums'] = '删除相册以及全部 %d 张图片，包括 %d 张已关联到其他相册的图片';
 $lang['checksum'] = '校验码';
-$lang['Time has come to update your Piwigo with version %s, go to %s'] = '将您的 Piwigo 升级到 %s 的时候到了，前往 %s';
+$lang['Time has come to update your Piwigo with version %s, go to %s'] = '现可将您的 Piwigo 升级至 %s 版本，请访问地址：%s';
 $lang['Storage used'] = '已使用的储存空间';
 $lang['Share / Send your photos directly from your Mac Os X (10.10 and following) to Piwigo'] = '将您的图片从您的 macOS (10.10及以上版本) 直接分享 / 发送到 Piwigo';
 $lang['Select tags'] = '选择标签';
-$lang['Running on an up-to-date Piwigo is important for security.'] = '使用最新版的 Piwigo 对于安全是很重要的。';
+$lang['Running on an up-to-date Piwigo is important for security.'] = '保持 Piwigo 版本为最新，对系统安全至关重要。';
 $lang['Piwigo Remote Sync is able to upload a whole folder hierarchy. If you run it again, only new photos will be uploaded.'] = 'Piwigo 远程同步能够上传整个目录层级。如果您再次运行，只有新的图片会被上传。';
-$lang['Piwigo %s is available, please update'] = 'Piwigo %s 已准备就绪，请升级';
+$lang['Piwigo %s is available, please update'] = 'Piwigo %s 版本已发布，敬请更新';
 $lang['No tags selected, no actions possible.'] = '未选择标签，无法执行操作。';
 $lang['No filter on album. Select one or type to search'] = '相册未设置筛选条件，请选择筛选项或输入关键词搜索';
-$lang['It only takes a few clicks.'] = '这仅需数次点击。';
+$lang['It only takes a few clicks.'] = '仅需几步点击，即可完成升级。';
 $lang['Display form'] = '显示表单';
 $lang['Delete album "%s".'] = '删除相册 "%s"。';
 $lang['Delete album "%s" and its %d sub-albums.'] = '删除相册 "%s" 及其 %d 个子相册。';
@@ -1408,7 +1408,7 @@ $lang['An activation link valid for %s was created but could not be sent. You ca
 $lang['This link is valid for %s. After this time, you will need to request a new link.'] = '此链接有效期为 %s。过了这个时间，您需要请求一个新链接。';
 $lang['To set your password, visit the following address:'] = '要设置您的密码，请访问以下地址：';
 $lang['Welcome to %s'] = '欢迎访问%s';
-$lang['We have found %d duplicate paths. Details provided by plugin Check Uploads'] = '我们发现存在 %d 个重复路径，详情由 Check Uploads 插件提供。';
+$lang['We have found %d duplicate paths. Details provided by plugin Check Uploads'] = '检测到 %d 个重复路径，详情由 Check Uploads 插件提供';
 $lang['%d photos were moved from the upload lounge to their albums'] = '%d张照片已从上传暂存区移至其相册';
 $lang['Are you sure you want to delete "%d" comments?'] = '你确定要删除"%d"条评论吗？';
 $lang['Are you sure you want to delete comment #%s?'] = '你确定要删除评论#%s吗？';