Please add some nodes to your .conf file and restart the wallet.

addnode=192.99.71.160:13546
addnode=216.144.230.95:13546
addnode=80.143.195.91:13546
addnode=91.244.38.43:13546
addnode=217.182.166.152:13546
addnode=64.150.189.104:49226
addnode=223.207.182.75:62862
addnode=98.160.154.5:51121
addnode=124.84.233.207:49569
addnode=121.111.191.185:64820
addnode=99.3.105.189:61886
addnode=103.78.157.8:51276
addnode=180.183.133.74:55444

More nodes:  http://era.cryptonode.online/network