difficulty are difference,need help

[helloword2013]

I have fork a altcoin
But I don't understand why the difficulty of "getinfo" is different from "getmininginfo",need some help and can somebody explain???thank you

Code:

22:43:58
getinfo
22:43:58
{
"version" : 1000000,
"protocolversion" : 70001,
"walletversion" : 60000,
"balance" : 2500.00000000,
"blocks" : 1943,
"timeoffset" : -4,
"connections" : 9,
"proxy" : "",
"difficulty" : 0.00000381,
"testnet" : false,
"keypoololdest" : 1437731877,
"keypoolsize" : 101,
"paytxfee" : 0.00000000,
"errors" : ""
}
22:44:13
getmininginfo
22:44:13
{
"blocks" : 1943,
"currentblocksize" : 0,
"currentblocktx" : 0,
"difficulty" : 0.00024414,
"errors" : "",
"generate" : false,
"genproclimit" : -1,
"collisionspersec" : "No information yet. Wait at least 4 minutes after starting mining for estimate.",
"pooledtx" : 0,
"testnet" : false
}

[tspacepilot]

You might get better replies if you say which coin you forked.  POS coins are very different from POW coins and this difference is related to how they are mined.