Hi Nurul,
1st:
According to your issue please check,
Show power inline
command on your switches and check your switches produced proper power or not if the power is there and those AP's are connected and getting power according to access point requirement and your cable length should be less then 70 meters then do 2nd activity.
2nd :
this version have a bug that's why you faced this issue please downgrade your version with the CISCO suggested version 8.0.133