diff --git a/zk/base.py b/zk/base.py
index 113b497..9ab7a01 100644
--- a/zk/base.py
+++ b/zk/base.py
@@ -533,8 +533,10 @@ class ZK(object):
             return True
         else:
             raise ZKErrorResponse("Cant set user")
+
     def save_user_template(self, user, fingers=[]):
         """ save user and template """
+        #TODO: grabado global
         # armar paquete de huellas
         if isinstance(fingers, Finger):
             fingers =[Finger]
@@ -544,9 +546,8 @@ class ZK(object):
         tstart = 0
         for finger in fingers:
             tfp = finger.repack_only()
-            table += pack("<bHbI", 2, user.uid, fnum, tstart)
+            table += pack("<bHbI", 2, user.uid, fnum + finger.fid, tstart)
             tstart += len(tfp)
-            fnum += 1 # hack 
             fpack += tfp
         upack = user.repack29()
         head = pack("III", len(upack), len(table), len(fpack))
@@ -868,12 +869,14 @@ class ZK(object):
             print "enroll ok", size, pos
             return True
 
-    def clear_data(self):
+    def clear_data(self, clear_type=5): # FCT_USER
         '''
         clear all data (include: user, attendance report, finger database )
+        2 = FCT_FINGERTMP
         '''
         command = const.CMD_CLEAR_DATA
-        cmd_response = self.__send_command(command)
+        command_string = pack("B", clear_type)
+        cmd_response = self.__send_command(command, command_string)
         if cmd_response.get('status'):
             return True
         else:
diff --git a/zk/user.py b/zk/user.py
index 9c00348..50926e9 100644
--- a/zk/user.py
+++ b/zk/user.py
@@ -4,9 +4,9 @@ class User(object):
 
     def __init__(self, uid, name, privilege, password='', group_id='', user_id='', card=0):
         self.uid = uid
-        self.name = name
+        self.name = str(name)
         self.privilege = privilege
-        self.password = password
+        self.password = str(password)
         self.group_id = group_id
         self.user_id = user_id
         self.card = card # 64 int to 40 bit int
@@ -14,7 +14,7 @@ class User(object):
         return pack("<BHB5s8s5sBhI", 2, self.uid, self.privilege, self.password, self.name, pack("Q", self.card), int(self.group_id), 0, int(self.user_id))
 
     def __str__(self):
-        return '<User>: {}'.format(self.name)
+        return '<User>: [uid:{}, name:{} user_id:{}]'.format(self.uid, self.name, self.user_id)
 
     def __repr__(self):
         return '<User>: {}'.format(self.name)