diff --git a/shadowsocks-libev/files/shadowsocks-libev.config b/shadowsocks-libev/files/shadowsocks-libev.config
index 6cc32f466..752d164ca 100644
--- a/shadowsocks-libev/files/shadowsocks-libev.config
+++ b/shadowsocks-libev/files/shadowsocks-libev.config
@@ -35,7 +35,7 @@ config server 'sss0'
 	option server '192.168.1.3'
 	option server_port '65101'
 	option key ''
-	option method 'aes-256-cfb'
+	option method 'chacha20'
 
 config ss_tunnel 'dns'
 	option disabled 1