diff --git a/module/extension/lang/en.php b/module/extension/lang/en.php
index 4bbb8e76b5..d6b2c7f510 100644
--- a/module/extension/lang/en.php
+++ b/module/extension/lang/en.php
@@ -46,7 +46,7 @@ $lang->extension->compatible  = 'Compatible';
 $lang->extension->publicList[0] = 'Manually';
 $lang->extension->publicList[1] = 'Auto';
 
-$lang->extension->compatibleList[0] = 'Incompatible';
+$lang->extension->compatibleList[0] = 'Unknow';
 $lang->extension->compatibleList[1] = 'Compatible';
 
 $lang->extension->byDownloads   = 'Downloads';
diff --git a/module/extension/lang/zh-cn.php b/module/extension/lang/zh-cn.php
index 1a61180587..8cddbfa8a2 100644
--- a/module/extension/lang/zh-cn.php
+++ b/module/extension/lang/zh-cn.php
@@ -46,7 +46,7 @@ $lang->extension->compatible  = '兼容性';
 $lang->extension->publicList[0] = '手工下载';
 $lang->extension->publicList[1] = '直接下载';
 
-$lang->extension->compatibleList[0] = '不兼容';
+$lang->extension->compatibleList[0] = '未知';
 $lang->extension->compatibleList[1] = '兼容';
 
 $lang->extension->byDownloads   = '最多下载';