diff --git a/README.md b/README.md
index 631dce153..294cc6a2d 100644
--- a/README.md
+++ b/README.md
@@ -71,13 +71,13 @@ paddle2onnx --model_dir saved_inference_model \
 
 ## 4.5 优化ONNX
 
-如你对导出的 ONNX 模型有优化的需求，推荐使用 `onnx-simplifier`，也可使用如下命令对模型进行优化
-
+如你对导出的 ONNX 模型有优化的需求，推荐使用 `onnx-simplifier`，也可使用第三方优化工具[onnxslim](https://github.com/inisis/OnnxSlim)对模型进行优化
 ```
 pip install onnxslim
 onnxslim model.onnx slim.onnx
 ```
 
+
 # 5 代码贡献
 
 繁荣的生态需要大家的携手共建，开发者可以参考 [Paddle2ONNX 贡献指南](./docs/zh/Paddle2ONNX_Development_Guide.md) 来为 Paddle2ONNX 贡献代码。
diff --git a/README_en.md b/README_en.md
index a8e34696e..0e2445f35 100644
--- a/README_en.md
+++ b/README_en.md
@@ -69,8 +69,7 @@ If you need to adjust ONNX models, please refer to [ONNX related tools](./tools/
 
 ## 4.5 Optimize ONNX
 
-If you have optimization needs for the exported ONNX model, we recommend using `onnx-simplifier`. You can also optimize the model using the following command.
-
+If you have optimization needs for the exported ONNX model, we recommend using `onnx-simplifier`. You can also optimize the model using third-party tool [onnxslim](https://github.com/inisis/OnnxSlim).
 ```
 pip install onnxslim
 onnxslim model.onnx slim.onnx