diff --git a/test1/api.md b/test1/api.md
index 92be9455ec18582a9d09f1c5d8ce78110892ec6f..17877666289f72bd30b54f990a2cd4ebedd5ec53 100644
--- a/test1/api.md
+++ b/test1/api.md
@@ -30,11 +30,19 @@ Types 1-4 follow the traditional OCR process, and 5 follow the Table OCR process
 
 [doc](table/README.md)
 
-## 4. PaddleStructure whl package introduction
+## 4. Predictive by inference engine
 
-### 4.1 Use
+Use the following commands to complete the inference
+```python
+python3 table/predict_system.py --det_model_dir=path/to/det_model_dir --rec_model_dir=path/to/rec_model_dir --table_model_dir=path/to/table_model_dir --image_dir=../doc/table/1.png --rec_char_dict_path=../ppocr/utils/dict/table_dict.txt --table_char_dict_path=../ppocr/utils/dict/table_structure_dict.txt --rec_char_type=EN --det_limit_side_len=736 --det_limit_type=min --output ../output/table
+```
+After running, each image will have a directory with the same name under the directory specified in the output field. Each table in the picture will be stored as an excel, and the excel file name will be the coordinates of the table in the image.
+
+## 5. PaddleStructure whl package introduction
+
+### 5.1 Use
 
-4.1.1 Use by code
+5.1.1 Use by code
 ```python
 import os
 import cv2
@@ -60,7 +68,7 @@ im_show = Image.fromarray(im_show)
 im_show.save('result.jpg')
 ```
 
-4.1.2 Use by command line
+5.1.2 Use by command line
 ```bash
 paddlestructure --image_dir=../doc/table/1.png
 ```
diff --git a/test1/api_ch.md b/test1/api_ch.md
index 53b28f28474f278d03d5b93f1095e5eb8e8fd31a..0f0772b0ea5849bb088776ed4e34c8aec8302607 100644
--- a/test1/api_ch.md
+++ b/test1/api_ch.md
@@ -30,11 +30,19 @@ PaddleStructure 是一个用于复杂板式文字OCR的工具包，流程如下
 
 [文档](table/README_ch.md)
 
-## 4. PaddleStructure whl包介绍
+## 4. 预测引擎推理
 
-### 4.1 使用
+使用如下命令即可完成预测引擎的推理
+```python
+python3 table/predict_system.py --det_model_dir=path/to/det_model_dir --rec_model_dir=path/to/rec_model_dir --table_model_dir=path/to/table_model_dir --image_dir=../doc/table/1.png --rec_char_dict_path=../ppocr/utils/dict/table_dict.txt --table_char_dict_path=../ppocr/utils/dict/table_structure_dict.txt --rec_char_type=EN --det_limit_side_len=736 --det_limit_type=min --output ../output/table
+```
+运行完成后，每张图片会output字段指定的目录下有一个同名目录，图片里的每个表格会存储为一个excel，excel文件名为表格在图片里的坐标。
+
+## 5. PaddleStructure whl包介绍
+
+### 5.1 使用
 
-4.1.1 代码使用
+5.1.1 代码使用
 ```python
 import os
 import cv2
@@ -60,7 +68,7 @@ im_show = Image.fromarray(im_show)
 im_show.save('result.jpg')
 ```
 
-4.1.2 命令行使用
+5.1.2 命令行使用
 ```bash
 paddlestructure --image_dir=../doc/table/1.png
 ```
diff --git a/test1/table/README.md b/test1/table/README.md
index 33090e644bf661805500b9e560569569cc6820f6..1fb00f011137df1e31ccaea44e8a2a98a98bb252 100644
--- a/test1/table/README.md
+++ b/test1/table/README.md
@@ -46,4 +46,4 @@ First cd to the PaddleOCR/ppstructure directory
 ```python
 python3 table/predict_table.py --det_model_dir=path/to/det_model_dir --rec_model_dir=path/to/rec_model_dir --table_model_dir=path/to/table_model_dir --image_dir=../doc/table/1.png --rec_char_dict_path=../ppocr/utils/dict/table_dict.txt --table_char_dict_path=../ppocr/utils/dict/table_structure_dict.txt --rec_char_type=EN --det_limit_side_len=736 --det_limit_type=min --output ../output/table
 ```
-After running, the excel sheet of each picture will be saved in the directory specified by the table_output field
\ No newline at end of file
+After running, the excel sheet of each picture will be saved in the directory specified by the output field
\ No newline at end of file
diff --git a/test1/table/README_ch.md b/test1/table/README_ch.md
index 718810718156933fc834e717f821a6b63074ba2f..03f002f98b3f37a251638d1b1e11812ef703f5fc 100644
--- a/test1/table/README_ch.md
+++ b/test1/table/README_ch.md
@@ -46,4 +46,4 @@ python3 table/eval_table.py --det_model_dir=path/to/det_model_dir --rec_model_di
 ```python
 python3 table/predict_table.py --det_model_dir=path/to/det_model_dir --rec_model_dir=path/to/rec_model_dir --table_model_dir=path/to/table_model_dir --image_dir=../doc/table/1.png --rec_char_dict_path=../ppocr/utils/dict/table_dict.txt --table_char_dict_path=../ppocr/utils/dict/table_structure_dict.txt --rec_char_type=EN --det_limit_side_len=736 --det_limit_type=min --output ../output/table
 ```
-运行完成后，每张图片的excel表格会保存到table_output字段指定的目录下
+运行完成后，每张图片的excel表格会保存到output字段指定的目录下