diff --git a/tools/ModelConverter/README_cn.md b/tools/ModelConverter/README_cn.md
index 45e393ea7c7d974e6c0936b9d3d4efba3b71f148..d4235d992304e4a959739b033df5e7b6334ff8d4 100644
--- a/tools/ModelConverter/README_cn.md
+++ b/tools/ModelConverter/README_cn.md
@@ -37,7 +37,7 @@ python -m pip install paddlepaddle -i https://mirror.baidu.com/pypi/simple
 ```
 - 如果`需要`使用优化模型的能力，执行命令：
 ``` bash
-python -m pip install paddlepaddle paddlelite==2.6.0 -i https://mirror.baidu.com/pypi/simple
+python -m pip install paddlepaddle paddlelite -i https://mirror.baidu.com/pypi/simple
 ```
 
 ### 1.2. 快速上手