diff --git a/README_ch.md b/README_ch.md
index 86732b6558d2c789bfa138dbb1371d77cd5d3b50..d3b26ee9d99c839ac9823dd635dabe41f13f5d31 100755
--- a/README_ch.md
+++ b/README_ch.md
@@ -39,8 +39,6 @@ PaddleOCR旨在打造一套丰富、领先、且实用的OCR工具库，助力
 支持多种OCR相关前沿算法，在此基础上打造产业级特色模型[PP-OCR](./doc/doc_ch/ppocr_introduction.md)和[PP-Structure](./ppstructure/README_ch.md)，并打通数据生产、模型训练、压缩、预测部署全流程。
 
 ![](./doc/features.png)
-![](./doc/features.drawio)
-![](./doc/test.svg)
 
 > 上述内容的使用方法建议从文档教程中的快速开始体验
 
diff --git a/Untitled Diagram.drawio b/Untitled Diagram.drawio
deleted file mode 100644
index 2d5691797593ad72d44f647f38807810e9ef3dae..0000000000000000000000000000000000000000
--- a/Untitled Diagram.drawio	
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@@ -1,22 +0,0 @@
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