Update Chinese translations

app/Locale/zh_CN/translations.php

@@ -1373,8 +1373,8 @@ return array(
     'seconds' => '秒',
     'Assign automatically a color when preset start date is reached' => '当到达预设起始日期时自动指派颜色',
     'Move the task to another column once a predefined start date is reached' => '当到达预定起始日期时移动任务到另一栏目',
-    // 'This task is now linked to the task %s with the relation "%s"' => '',
-    // 'The link with the relation "%s" to the task %s has been removed' => '',
-    // 'Custom Filter:' => '',
-    // 'Unable to find this group.' => '',
+    'This task is now linked to the task %s with the relation "%s"' => '该任务与任务：%s 已建立"%s"关联',
+    'The link with the relation "%s" to the task %s has been removed' => '该任务与任务：%s 已解除"%s"关联',
+    'Custom Filter:' => '自定义过滤器：',
+    'Unable to find this group.' => '无法找到该用户组。',
 );