Go to "Tools>Operation Log" and set filters according to your requirements. User type, Email, user IP, Time range, Object Type, Object ID parameters are available.
The meaning of each fields:
Time: Operation time
UserID:operator's ID. When admin doing something in the system, the UserID is null;
User:user Name;
User type:operator's type;
IP:operator's IP;
Action:operation name;
Object Type:You can chose reports by the operating object type or by the operating module;
Object ID Or Name:By the operating object ID or By the operating object name;
Detail:operation log information.