need help with first layer after raft

i need to use the raft for printing this little part, the first layer of the part look under-extruded, with gap
Attachment 12935

https://drive.google.com/file/d/1MFp...ew?usp=sharingThen I tried to increase the bottom layers for 2 to 5, same identical result
Attachment 12936

https://drive.google.com/file/d/1wU5...ew?usp=sharingAlso tried to increase "above raft speed" from 50 to 100%
Attachment 12937

https://drive.google.com/file/d/174j...ew?usp=sharingWith no raft the part is obviously good
Attachment 12938

https://drive.google.com/file/d/1M0E...ew?usp=sharingI am using S3D 4.1.1