Update serving_en.md

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@ -121,7 +121,7 @@ python tools/test_hubserving.py server_url image_path
Two parameters need to be passed to the script:
- **server_url**service addressformat of which is
`http://[ip_address]:[port]/predict/[module_name]`
For example, if the detection, recognition and 2-stage serial services are started with provided configuration files, the respective `server_url` would be:
For example, if the detection, recognition and 2-stage serial services are started with provided configuration files, the respective `server_url` would be:
`http://127.0.0.1:8866/predict/ocr_det`
`http://127.0.0.1:8867/predict/ocr_rec`
`http://127.0.0.1:8868/predict/ocr_system`
@ -154,7 +154,7 @@ The fields returned by different modules are different. For example, the results
## User defined service module modification
If you need to modify the service logic, the following steps are generally required (take the modification of `ocr_system` for example):
- 1. Stop service
- 1. Stop service
```shell
hub serving stop --port/-p XXXX
```
@ -162,17 +162,17 @@ hub serving stop --port/-p XXXX
- 2. Modify the code in the corresponding files, like `module.py` and `params.py`, according to the actual needs.
For example, if you need to replace the model used by the deployed service, you need to modify model path parameters `det_model_dir` and `rec_model_dir` in `params.py`. Of course, other related parameters may need to be modified at the same time. Please modify and debug according to the actual situation. It is suggested to run `module.py` directly for debugging after modification before starting the service test.
- 3. Uninstall old service module
- 3. Uninstall old service module
```shell
hub uninstall ocr_system
```
- 4. Install modified service module
- 4. Install modified service module
```shell
hub install deploy/hubserving/ocr_system/
```
- 5. Restart service
- 5. Restart service
```shell
hub serving start -m ocr_system
```