Furuta, F. Eichhorn, R.G. Ge, G.M. Gonnella, D. Hartill, D.L. Hoffstaetter, G.H. Kaufman, J.J. Liepe, M. Smith, E.N. JACoW Geneva, Switzerland 978-3-95450-178-6 10.18429/JACoW-SRF2015-TUPB081 English 783-787 TUPB081 cavity SRF monitoring controls cryogenics Contribution to a conference proceedings 2015 2015-12 http://dx.doi.org/10.18429/JACoW-SRF2015-TUPB081 http://srf2015.vrws.de/papers/tupb081.pdf Multi-cell temperature mapping (T-map) system has been developed and applied on SRF Nb cavities vertical tests (VT) at Cornell. It has nearly two thousand thermometers and achieved a 1mK resolution of niobium surface temperature rinsing in superfluid helium . We have upgraded the system to be capable of monitoring the temperature profiles of quench spot on cavity. The recent results of T-map during cavity tests and details will be reported.