Yes, your externalip is wrong, correct one is 146.60.250.143
And you don't even need to set that argument, it's usually auto-detected. But when you set it, it has to be correct.
also my config must be looking so
Yes, it looks ok.
ok it not work mn connection lost ...
under Option Masternode Network by "Active (sec)" everytime 00:00
i make a new mn with ip adress 146.60.250.1 , will see what happend
address Rank Active (secs) Last seen pubkey
146.60.250.1:9999 2 00m:00s 2015-06-12 21:46:13 UTC

That is normal, it doesn't update frequently.