diff --git a/global.go b/global.go
index a2198ad..4dc5e71 100644
--- a/global.go
+++ b/global.go
@@ -143,11 +143,7 @@ var imageType = map[string]struct{}{
 	"jpg":  {},
 }
 
-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"
+const videoType = "mp4"
 
 // FileHelper 文件传输助手
 const FileHelper = "filehelper"