Merge pull request #1289 from icecraft/docs/fix_image_path

docs: fix image path

next_docs/en/user_guide/inference_result.rst

@@ -137,7 +137,7 @@ Inference Result
 some_model.pdf
 ^^^^^^^^^^^^^^^^^^^^
 
-.. figure:: ../_static/image/Inference_result.png
+.. figure:: ../_static/image/inference_result.png