Finally, my wallet has been synced with the network. Thanks XVS and Vsync team for all your efforts to build up and release version 3.6.6 for Vsync community.
This is what I got after syncing my wallet.
{
"chain" : "main",
"blocks" : 300703,
"headers" : 300703,
"bestblockhash" : "79d842e27a8e45c625160f7234f859009eefdb07aab886724fbd09a600bbaeef",
"difficulty" : 190117.68167736,
"verificationprogress" : 0.99998551,
"chainwork" : "0000000000000000000000000000000000000000000000019fefe61aeab1fbe9"
}
Edited: Green staking icon appeared. My wallet has been staked again. It's great!

How you did it ?
Can anyone upload the new chain ot Mega ?