Vlan VTP Client doesn't updated

Let's back to classic mode :d learning and exploring about Cisco again. In a few months ago I'm on next mode (*red. exploring about new stuff/things).

I ever happen vlan in VTP client doesn't updated, I have 3 switch for example. SW1, SW2, SW3, SW1 mode server, SW2 and SW3 mode client. SW1 and SW2 have trunk, SW1 and SW3 have trunk too. VTP configuration set domain TEST, no password. Vlan in SW2 has beed updated same with SW1 but SW3 doesn't updated, there are some procedure I do :

- re-check trunk configuration, re-config if need
- re-check vtp configuration, re-config if need
- make sure MD5 digest same on SW1 and SW3, if different try to set password first in SW3 'vtp password TEST' and then disable 'no vtp password'. if still different, try to set / disable password in SW1, SW3 and don't forget set / disable password too in all vtp client switch SW2.

SW1(config)#do sh vtp stat
VTP Version : 2
Configuration Revision : 2
Maximum VLANs supported locally : 1005
Number of existing VLANs : 12
VTP Operating Mode : Server
VTP Domain Name : TEST
VTP Pruning Mode : Disabled
VTP V2 Mode : Disabled
VTP Traps Generation : Disabled
MD5 digest : 0xBE 0xE2 0xB5 0xC3 0x82 0x11 0xFA 0x9C

SW3(config)#do sh vtp stat
VTP Version : 2
Configuration Revision : 0
Maximum VLANs supported locally : 1005
Number of existing VLANs : 5
VTP Operating Mode : Client
VTP Domain Name : TEST
VTP Pruning Mode : Disabled
VTP V2 Mode : Disabled
VTP Traps Generation : Disabled
MD5 digest : 0xF6 0xA0 0x56 0x82 0x84 0xD4 0xBF 0xF6

SW3(config)#vtp pass test
Setting device VLAN database password to test
SW3(config)#no vtp pass
Clearing device VLAN database password.

SW3(config)#do sh vtp stat
VTP Version : 2
Configuration Revision : 2
Maximum VLANs supported locally : 1005
Number of existing VLANs : 12
VTP Operating Mode : Client
VTP Domain Name : TEST
VTP Pruning Mode : Disabled
VTP V2 Mode : Disabled
VTP Traps Generation : Disabled
MD5 digest : 0xBE 0xE2 0xB5 0xC3 0x82 0x11 0xFA 0x9C