Geth start no peer

i start the etc with:
./geth --oppose-dao-fork --datadir=/opt/ --cache=3086 --port=30306 --rpc --rpcaddr=127.0.0.1 --rpcport=1234
but ,
2019-08-23 11:05:56 Discover 0/25 peers
2019-08-23 11:06:56 Discover 0/25 peers
2019-08-23 11:07:56 Discover 0/25 peers
2019-08-23 11:08:56 Discover 0/25 peers
2019-08-23 11:09:56 Discover 0/25 peers
2019-08-23 11:10:56 Discover 0/25 peers
2019-08-23 11:11:56 Discover 0/25 peers
2019-08-23 11:12:56 Discover 0/25 peers
2019-08-23 11:13:56 Discover 0/25 peers
2019-08-23 11:14:56 Discover 0/25 peers

Can you tell me what should I do?

I am also the same problem

The official said to update to 6.09, but I have not found the link address of 6.0.9