docs: update files

Author: SWHL

docs/install_usage/how_to_use_other_engine.md

@@ -41,43 +41,43 @@ results.vis("layout_res.png")
 
 多卡时可通过 `cuda_ep_cfg.device_id` 指定卡号（与 [engine_cfg.yaml](https://github.com/RapidAI/RapidLayout/blob/main/rapid_layout/configs/engine_cfg.yaml) 中 `cuda_ep_cfg.device_id` 一致）。
 
-## 使用 OpenVINO
+## 使用 NPU (CANN)
 
-```bash
-pip install rapid-layout onnxruntime openvino
-```
+详细配置参数参见：[engine_cfg.yaml](https://github.com/RapidAI/RapidLayout/blob/main/rapid_layout/configs/engine_cfg.yaml)
 
 ```python linenums="1"
-from rapid_layout import EngineType, ModelType, RapidLayout
+from rapid_layout import EngineType, ModelType, RapidLayout, RapidLayoutInput
 
-layout_engine = RapidLayout(
+cfg = RapidLayoutInput(
     model_type=ModelType.PP_LAYOUT_CDLA,
-    engine_type=EngineType.OPENVINO,
+    engine_type=EngineType.ONNXRUNTIME,
+    engine_cfg={"use_cann": True, "cann_ep_cfg": {"device_id": 0}},
 )
+layout_engine = RapidLayout(cfg=cfg)
+
 img_path = "https://raw.githubusercontent.com/RapidAI/RapidLayout/718b60e927ab893c2fad67c98f753b2105a6f421/tests/test_files/layout.jpg"
 results = layout_engine(img_path)
 print(results)
 results.vis("layout_res.png")
 ```
 
-OpenVINO 设备与线程等配置见 [engine_cfg.yaml](https://github.com/RapidAI/RapidLayout/blob/main/rapid_layout/configs/engine_cfg.yaml) 中 `openvino` 段。
-
-## 使用 NPU (CANN)
+## 使用 OpenVINO
 
-详细配置参数参见：[engine_cfg.yaml](https://github.com/RapidAI/RapidLayout/blob/main/rapid_layout/configs/engine_cfg.yaml)
+```bash
+pip install rapid-layout onnxruntime openvino
+```
 
 ```python linenums="1"
-from rapid_layout import EngineType, ModelType, RapidLayout, RapidLayoutInput
+from rapid_layout import EngineType, ModelType, RapidLayout
 
-cfg = RapidLayoutInput(
+layout_engine = RapidLayout(
     model_type=ModelType.PP_LAYOUT_CDLA,
-    engine_type=EngineType.ONNXRUNTIME,
-    engine_cfg={"use_cann": True, "cann_ep_cfg": {"device_id": 0}},
+    engine_type=EngineType.OPENVINO,
 )
-layout_engine = RapidLayout(cfg=cfg)
-
 img_path = "https://raw.githubusercontent.com/RapidAI/RapidLayout/718b60e927ab893c2fad67c98f753b2105a6f421/tests/test_files/layout.jpg"
 results = layout_engine(img_path)
 print(results)
 results.vis("layout_res.png")
 ```
+
+OpenVINO 设备与线程等配置见 [engine_cfg.yaml](https://github.com/RapidAI/RapidLayout/blob/main/rapid_layout/configs/engine_cfg.yaml) 中 `openvino` 段。