training issue: AP is 0

[Finniu]

HI, thanks for your work, but when i training focs, I followed your training instructions, and deleted solvers as well, however after training done, the AP of my dataset is 0, I have checked my data format, which should be ok. I want to know why image: loading annotations into memory... Done (t=0.01s) creating index... index created! loading annotations into memory... Done (t=0.00s) creating index... index created! 2019-11-07 15:19:38,202 fcos_core.trainer INFO: Start training [[[ 10 10 10] [ 7 7 7] [ 6 6 6] ... [ 43 55 49] [ 40 47 42] [ 29 30 26]]

[[ 9 9 9] [ 6 6 6] [ 6 6 6] ... [ 50 64 58] [ 19 29 23] [ 32 38 33]]

[[ 8 8 8]

annotations:

boxes [[150, 53, 563, 495]] classes [1] masks [[[361, 486, 346, 493, 331, 510, 310, 523, 298, 533, 279, 538, 264, 546, 238, 548, 223, 545, 202, 534, 181, 525, 173, 510, 172, 492, 180, 481, 170, 471, 158, 460, 151, 442, 150, 423, 160, 402, 181, 333, 179, 318, 195, 285, 215, 227, 218, 209, 221, 184, 231, 169, 255, 157, 266, 147, 277, 151, 310, 148, 325, 145, 384, 144, 397, 144, 402, 133, 417, 133, 432, 165, 450, 181, 471, 220, 492, 257, 497, 235, 490, 206, 492, 177, 493, 149, 497, 115, 496, 100, 503, 87, 496, 76, 623, 53, 639, 59, 661, 71, 671, 92, 666, 112, 662, 150, 655, 207, 659, 258, 670, 272, 667, 317, 664, 360, 636, 369, 631, 379, 656, 370, 680, 363, 700, 373, 713, 398, 708, 415, 683, 438, 667, 441, 647, 451, 622, 459, 601, 456, 590, 453, 587, 468, 577, 476, 553, 475, 393, 431, 393, 414, 393, 397, 412, 399, 421, 399, 436, 385, 446, 371, 462, 366, 483, 360, 473, 335, 458, 315, 433, 270, 413, 237, 401, 231, 391, 221, 384, 213, 318, 229, 291, 233, 283, 250, 271, 290, 251, 352, 242, 389, 233, 418, 229, 442, 234, 464, 254, 469, 273, 456, 297, 452, 315, 457, 336, 465]]]

I printed these when i was training

[chenzhaojun1996]

all the ap =-1 why？