Run example cv.sh get tr_logloss 0 and va_logloss -nan

[luolaihu]

when i run example cv.sh get output num_classes:2 model initiated, m=19, n=9953 iter tr_logloss va_logloss va_apk Time 1 0.00000 0.28375 0.33333 0.0s 2 0.00000 2.04918 0.33333 0.0s 3 0.00000 14.71864 0.33333 0.0s 4 0.00000 inf 0.33333 0.0s 5 0.00000 inf 0.33333 0.0s 6 nan -nan 0.33333 0.0s 7 0.00000 -nan 0.33333 0.0s 8 nan -nan 0.33333 0.0s 9 0.00000 -nan 0.33333 0.0s 10 0.00000 -nan 0.33333 0.0s

is there some paramter config error