diff --git a/global.go b/global.go
index 625eaae..e3f321d 100644
--- a/global.go
+++ b/global.go
@@ -86,3 +86,7 @@ var imageType = map[string]bool{
 }
 
 var videoType = "mp4"
+
+// ZombieText 检测僵尸好友字符串
+// 发送该字符给好友，能正常发送不报错的为正常好友，否则为僵尸好友
+const ZombieText = "وُحfخe ̷̴̐nخg ̷̴̐cخh ̷̴̐aخo امارتيخ ̷̴̐خ\n"