On Feb. 07th, ROTSE supernova search program picked out a new transient candidate (ROTSE J130546.4+301835), which is also a Quasar candidate in simbad catalog. The coordinat for this object is RA: 13:05:46.42 (196.44342), Dec: +30:18:34.85 (30.30968) J2000. After doing photometry to the arcive data, we identified a period of 1.5239 days to this Quasar candidate.