diff --git a/tutorials/training/source_zh_cn/advanced_use/images/data_conversion_concept.png b/tutorials/training/source_zh_cn/advanced_use/images/data_conversion_concept.png
index 0bd540cac3e3570773171d8c1c336053d5d629d0..cdc88722fcf2a9d0be705534f123b48ece248382 100644
Binary files a/tutorials/training/source_zh_cn/advanced_use/images/data_conversion_concept.png and b/tutorials/training/source_zh_cn/advanced_use/images/data_conversion_concept.png differ