Hanjie Tan (Astronomical Institute of Charles University), Mi Zhang, Guoyou Sun, Jingyuan Zhao (Xingming Observatory), Quanzhi Ye , Xing Gao (Xingming Observatory), report the discovery of a possible cataclysmic variables at 13.55 Gmag on several 120-s survey image (limit mag about 19.0) taken by Xing Gao at Xingming Observatory “#”3 (N88) around Oct.15.80976 UTC using unfiltered CCD and PAT telescope (0.3-m f/3.6 reflector). The transient approximately located at RA= 01h26m51.62s,DEC = +50d12m58.6s. Discovery images can be found at: http://xjltp.china-vo.org/xm78ht.html