CSTAR (Chinese Small Telescope Array) was installed in Dome A in 2008 and moved back to China in 2012. In order to fully use wide-field and multi-band features of CSTAR, the CSTAR telescope was updated with it is installed on an equatorial. The updated CSTAR telescope is named by CSTAR2 telescope. The servo system and solutions for harsh environment are presented in this paper to make sure the whole telescope work smoothly at Dome A. Meanwhile, the pointing and tracking results obtained during the commissioning test are described.