after i change pool from pool 199.16.31.96:3355 to 172.105.216.53:3355, my coin lost. 
here is log:

xdag> balance
Balance: 0.487108616 XDAG

xdag> account
j0PiAmLZnL9wCSK7hiO7ey9aNrJ1htxi          0.487108616  key 0


i lost 309.000000000 coins.

but i can see my lost coins at :
http://52.5.32.68:13656/cgi-bin/balance.cgi?a=j0PiAmLZnL9wCSK7hiO7ey9aNrJ1htxi