Bond declined

Dissapointed with FNB been banking with fnb 13 years had a bond with them which we settled within 7 years this year i apply4t bond they decline my record is almost perfect never missed any bond or fnb payments but they didnt think twice 2 decline, stand bank not having my histry approved so I guess should i sign offer i need 2 move my account there so std bank get 1st priority on my salary