I updated datatables.lua spell 71 points from 0.3 to 1, which make Night Fae heal corrected.
[71] = {
[1] = {
['Effect'] = 2,
['EffectIndex'] = 0,
['Flags'] = 1,
['ID'] = 99,
['Period'] = 0,
['Points'] = 0.3, ----------------change it to 1.
['SpellID'] = 71,
['TargetType'] = 2
}