Replace last occurences of "private" with "personal"

app/Locale/zh_CN/translations.php

@@ -373,7 +373,7 @@ return array(
     'Webhook settings' => 'Webhook 设置',
     'Reset token' => '重置令牌',
     'API endpoint:' => 'API 端点：',
-    'Refresh interval for private board' => '私人看板的刷新时间',
+    'Refresh interval for personal board' => '私人看板的刷新时间',
     'Refresh interval for public board' => '公共看板的刷新时间',
     'Task highlight period' => '任务高亮时间',
     'Period (in second) to consider a task was modified recently (0 to disable, 2 days by default)' => '多久内的任务视作刚刚修改(单位：秒,设置为0停用，默认是2天',
@@ -1280,7 +1280,7 @@ return array(
     'Project ID' => '项目ID',
     'Project name' => '项目名',
     'Public' => '公开',
-    'Private' => '私有',
+    'Personal' => '私有',
     '%d tasks' => '%d 任务',
     '%d task' => '%d 任务',
     'Task ID' => '任务ID',