Created by: qingqing01

https://github.com/PaddlePaddle/Paddle/blob/928730beb0e0472eac3c41c382bfcf2e236994d2/paddle/fluid/operators/detection_map_op.h#L282-L294

The line 286 should be:

for (size_t i = 0; i < pos_data_lod[0].size(); ++i) {

not

for (size_t i = 0; i < pos_data_lod.size(); ++i) {