fixed a bug which caused payload-type 0x0000 to be handled as payload-type 0x0005
fixed a bug which caused payload-type 0x0000 to be handled as payload-type 0x0005

AMOS-ss16-proj3/amos-ss16-proj3,AMOS-ss16-proj3/amos-ss16-proj3,AMOS-ss16-proj3/amos-ss16-proj3,AMOS-ss16-proj3/amos-ss16-proj3,AMOS-ss16-proj3/amos-ss16-proj3