diff --git a/shadowsocks-all-mihomo.sh b/shadowsocks-all-mihomo.sh
index 3c4a0e7..bde7d8d 100644
--- a/shadowsocks-all-mihomo.sh
+++ b/shadowsocks-all-mihomo.sh
@@ -228,22 +228,12 @@ install_select(){
 
 install_prepare_password(){
     if is_2022_cipher "${shadowsockscipher}"; then
-        local key_size default_key
+        local key_size
         key_size=$(get_2022_key_size "${shadowsockscipher}")
-        default_key=$(generate_2022_key "${key_size}")
-        while true
-        do
-        echo "Please enter base64 key for ${shadowsockscipher}"
-        read -r -p "(Default key: ${default_key}):" shadowsockspwd
-        [ -z "${shadowsockspwd}" ] && shadowsockspwd="${default_key}"
-        if is_valid_2022_key "${shadowsockspwd}" "${key_size}"; then
-            echo
-            echo "password = ${shadowsockspwd}"
-            echo
-            break
-        fi
-        echo -e "[${red}Error${plain}] ${shadowsockscipher} requires a base64 key decoded to ${key_size} bytes"
-        done
+        shadowsockspwd=$(generate_2022_key "${key_size}")
+        echo
+        echo "password = ${shadowsockspwd}"
+        echo
         return 0
     fi