SAN FRANCISCO (KGO) -- San Francisco police have made an arrest in an assault that left an Alameda man with a traumatic brain injury.Jiacheng Fang, 25, was arrested last week in San Jose. He's facing two felony charges.Christopher Matthews was waiting for a rideshare service when he approached the car he thought was his. A man, police say is Fang, got out of the car and punched Matthews in the face causing him to fall to the ground.According to a GoFundMe page set up for the family, Matthews was moved to the Centre for Neuro Skills in Southern California earlier this month, to continue receiving treatment.