PPTP Client fails

I checked that the address of pptp server can be ping, and Windows under the same network can connect normally


Log:

10:35:06 pptp,ppp,info jiangsu-ct: terminating... - disconnected 
10:35:06 pptp,ppp,info jiangsu-ct: disconnected 
10:35:16 pptp,ppp,info jiangsu-ct: initializing... 
10:35:16 pptp,ppp,info jiangsu-ct: connecting... 
10:35:46 pptp,ppp,info jiangsu-ct: terminating... - disconnected 
10:35:46 pptp,ppp,info jiangsu-ct: disconnected 
10:35:56 pptp,ppp,info jiangsu-ct: initializing... 
10:35:56 pptp,ppp,info jiangsu-ct: connecting... 
10:36:26 pptp,ppp,info jiangsu-ct: terminating... - disconnected 
10:36:26 pptp,ppp,info jiangsu-ct: disconnected 
10:36:36 pptp,ppp,info jiangsu-ct: initializing... 
10:36:36 pptp,ppp,info jiangsu-ct: connecting... 
10:37:06 pptp,ppp,info jiangsu-ct: terminating... - disconnected 
10:37:06 pptp,ppp,info jiangsu-ct: disconnected 
10:37:16 pptp,ppp,info jiangsu-ct: initializing... 
10:37:16 pptp,ppp,info jiangsu-ct: connecting... 
10:37:47 pptp,ppp,info jiangsu-ct: terminating... - disconnected 
10:37:47 pptp,ppp,info jiangsu-ct: disconnected 
10:37:57 pptp,ppp,info jiangsu-ct: initializing... 
10:37:57 pptp,ppp,info jiangsu-ct: connecting...

PPTP Client:

[admin@MikroTik] /log> /interface pptp-client print 
Flags: X - disabled, R - running 
 0    name="jiangsu-ct" max-mtu=1450 max-mru=1450 mrru=disabled 
      connect-to=1.2.3.4 user="example" password="example" 
      profile=default-encryption keepalive-timeout=60 use-peer-dns=no 
      add-default-route=no dial-on-demand=no allow=pap,chap,mschap1,mschap2

Route:



[admin@MikroTik] /log> /ip route print 
Flags: X - disabled, A - active, D - dynamic, 
C - connect, S - static, r - rip, b - bgp, o - ospf, m - mme, 
B - blackhole, U - unreachable, P - prohibit 
 #      DST-ADDRESS        PREF-SRC        GATEWAY            DISTANCE
 0   S  ;;;                 
        0.0.0.0/0                          jiangsu-ct                1
 1 ADS  0.0.0.0/0                          192.168.68.1              1
 2 ADC  10.10.10.0/24      10.10.10.1      ether2                    0
 3 ADC  192.168.68.0/24    192.168.68.80   ether1                    0

NAT:

[admin@MikroTik] /log> /ip firewall nat print 
Flags: X - disabled, I - invalid, D - dynamic 
 0 I  ;;; jiangsu-ct not ready
      chain=srcnat action=masquerade out-interface=jiangsu-ct log=no 
      log-prefix="" 

 1    chain=srcnat action=masquerade out-interface=all-ppp log=no log-prefix="" 

 2    chain=srcnat action=masquerade out-interface=all-ethernet log=no 
      log-prefix="" 

 3    chain=srcnat action=masquerade out-interface=all-vlan log=no log-prefix=""