[Doc] Fix the configuration file and log path of centernet. (#9791)

Author: Ginray

docs/zh_cn/device/npu.md

@@ -27,7 +27,7 @@ python tools/train.py configs/ssd/ssd300_coco.py
 | [retinanet-r50](<>)  |  36.6  |   ---   | [config](https://github.com/open-mmlab/mmdetection/blob/master/configs/retinanet/retinanet_r50_fpn_fp16_1x_coco.py)           | [log](https://download.openmmlab.com/mmdetection/v2.0/npu/retinanet_r50_fpn_1x_coco.log.json)                |
 |   [yolov3-608](<>)   |  34.7  |   ---   | [config](https://github.com/open-mmlab/mmdetection/blob/master/configs/yolo/yolov3_d53_fp16_mstrain-608_273e_coco.py)         | [log](https://download.openmmlab.com/mmdetection/v2.0/npu/yolov3_d53_fp16_mstrain-608_273e_coco.log.json)    |
 |  [yolox-s\*\*](<>)   |  39.9  |   ---   | [config](https://github.com/open-mmlab/mmdetection/blob/master/configs/yolox/yolox_s_8x8_300e_coco.py)                        | [log](https://download.openmmlab.com/mmdetection/v2.0/npu/yolox_s_8x8_300e_coco.log.json)                    |
-| [centernet-r18](<>)  |  26.1  |   ---   | [config](https://github.com/open-mmlab/mmdetection/blob/master/configs/centernet/centernet_resnet18_140e_cocoo.py)            | [log](https://download.openmmlab.com/mmdetection/v2.0/npu/centernet_resnet18_140e_coco.log.jsonn)            |
+| [centernet-r18](<>)  |  26.1  |   ---   | [config](https://github.com/open-mmlab/mmdetection/blob/master/configs/centernet/centernet_resnet18_140e_coco.py)             | [log](https://download.openmmlab.com/mmdetection/v2.0/npu/centernet_resnet18_140e_coco.log.json)             |
 |   [fcos-r50\*](<>)   |  36.1  |   ---   | [config](https://github.com/open-mmlab/mmdetection/blob/master/configs/fcos/fcos_r50_caffe_fpn_gn-head_fp16_1x_bs8x8_coco.py) | [log](https://download.openmmlab.com/mmdetection/v2.0/npu/fcos_r50_caffe_fpn_gn-head_1x_coco_bs8x8.log.json) |
 |   [solov2-r50](<>)   |  ---   |  34.7   | [config](https://github.com/open-mmlab/mmdetection/blob/master/configs/solov2/solov2_r50_fpn_1x_coco.py)                      | [log](https://download.openmmlab.com/mmdetection/v2.0/npu/solov2_r50_fpn_1x_coco.log.json)                   |