relink kie link to inference

ppstructure/docs/quickstart.md

@@ -214,7 +214,7 @@ for line in result:
 <a name="225"></a>
 #### 2.2.5 关键信息抽取
 
-关键信息抽取暂不支持通过whl包调用，详细使用教程请参考：[关键信息抽取教程](../kie/README_ch.md)。
+关键信息抽取暂不支持通过whl包调用，详细使用教程请参考：[inference文档](./inference.md)。
 
 <a name="226"></a>
 

ppstructure/docs/quickstart_en.md

@@ -94,7 +94,7 @@ paddleocr --image_dir=ppstructure/docs/table/table.jpg --type=structure --layout
 
 #### 2.1.5 Key Information Extraction
 
-Key information extraction does not currently support use by the whl package. For detailed usage tutorials, please refer to: [Key Information Extraction](../kie/README.md).
+Key information extraction does not currently support use by the whl package. For detailed usage tutorials, please refer to: [inference document](./inference_en.md).
 
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 #### 2.1.6 layout recovery