diff --git a/config.json b/config.json
index 199b111..92faf5a 100644
--- a/config.json
+++ b/config.json
@@ -7,7 +7,7 @@
     "password": "m",
     "timeout": 120,
     "udp_timeout": 60,
-    "method": "aes-256-cfb",
+    "method": "aes-128-ctr",
     "protocol": "auth_aes128_md5",
     "protocol_param": "",
     "obfs": "tls1.2_ticket_auth_compatible",
diff --git a/mujson_mgr.py b/mujson_mgr.py
index 23338ef..46ab3e1 100644
--- a/mujson_mgr.py
+++ b/mujson_mgr.py
@@ -104,8 +104,8 @@ class MuMgr(object):
 		return ''.join([random.choice('''ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789~-_=+(){}[]^&%$@''') for i in range(8)])
 
 	def add(self, user):
-		up = {'enable': 1, 'u': 0, 'd': 0, 'method': "aes-128-cfb",
-		'protocol': "auth_sha1_v4",
+		up = {'enable': 1, 'u': 0, 'd': 0, 'method': "aes-128-ctr",
+		'protocol': "auth_aes128_md5",
 		'obfs': "tls1.2_ticket_auth_compatible",
 		'transfer_enable': 1125899906842624}
 		up['passwd'] = self.rand_pass()