diff --git a/cattools.sh b/cattools.sh
index 8f04833..2aab210 100644
--- a/cattools.sh
+++ b/cattools.sh
@@ -31,24 +31,6 @@ else
   exit 1
 fi
 
-update(){
-    if ! curl -fsSL https://service.miaoer.xyz/cattools/cattools.sh -o $(readlink -f "$0"); then
-        echo "无法连接更新站点"
-        
-        if ! curl -fsSL https://fastly.jsdelivr.net/gh/miaoermua/cattools@main/repo/mt798x/cattools.sh -o $(readlink -f "$0"); then
-            echo "无法连接更新仓库" 
-
-           if ! curl -fsSL https://raw.githubusercontent.com/miaoermua/service/main/cattools/cattools.sh -o $(readlink -f "$0"); then
-               echo "无法连接更新仓库" 
-               echo "无法连接互联网,请联系作者."
-               return 
-           fi
-        
-    fi
-    
-    exec $(readlink -f "$0")
-}
-
 setip(){
     read -p "请输入 IP(默认为 $default_ip): " input_ip
     if [ -z $input_ip ]; then