diff --git a/doc/doc_ch/pgnet.md b/doc/doc_ch/pgnet.md
index 89f758b2ed9d4c9168acc88aeb742fa920789f71..8502408413901f2723b1aac985361335770c4f20 100644
--- a/doc/doc_ch/pgnet.md
+++ b/doc/doc_ch/pgnet.md
@@ -26,7 +26,9 @@ PGNet算法细节详见[论文](https://www.aaai.org/AAAI21Papers/AAAI-2885.Wang
 ![](../imgs_results/e2e_res_img293_pgnet.png)
 ![](../imgs_results/e2e_res_img295_pgnet.png)
 ### 性能指标
+
 测试集：Total-Text
+
 测试环境: NVIDIA Tesla V100-SXM2-16GB
 |PGNetA|det_precision|det_recall|det_f_score|e2e_precision|e2e_recall|e2e_f_score|FPS|下载|
 | --- | --- | --- | --- | --- | --- | --- | --- | --- |