Update readme.md
fix wrong link of Model inference
@@ -158,7 +158,7 @@ build/paddle_inference_install_dir/
<a name="21"></a>
### 2.1 Export the inference model
-* You can refer to [Model inference](../../doc/doc_ch/inference.md) and export the inference model. After the model is exported, assuming it is placed in the `inference` directory, the directory structure is as follows.
+* You can refer to [Model inference](../../doc/doc_en/inference_en.md) and export the inference model. After the model is exported, assuming it is placed in the `inference` directory, the directory structure is as follows.
```
inference/
