Definitely jumping spider of some kind. I was wondering if anyone had the species? I know the colouration is a bit hard to see
Seen moving briskly on the ground and along walls.
Body length ~ 8 mm.
Ant-like sac spiders from Jinyun Mountain Natural Reserve of Chongqing, China (Araneae: Corinnidae): https://www.researchgate.net/publication/288419993_Ant-like_sac_spiders_from_Jinyun_Mountain_Natural_Reserve_of_Chongqing_China_Araneae_Corinnidae