diff --git a/IMX6ULL/doc_pic/12_USB/04.2_USB协议层数据格式_传输.tif b/IMX6ULL/doc_pic/12_USB/04.2_USB协议层数据格式_传输.tif
index 270a37c..67e41ad 100644
Binary files a/IMX6ULL/doc_pic/12_USB/04.2_USB协议层数据格式_传输.tif and b/IMX6ULL/doc_pic/12_USB/04.2_USB协议层数据格式_传输.tif differ
diff --git a/STM32MP157/doc_pic/12_USB/04.2_USB协议层数据格式_传输.tif b/STM32MP157/doc_pic/12_USB/04.2_USB协议层数据格式_传输.tif
index 270a37c..67e41ad 100644
Binary files a/STM32MP157/doc_pic/12_USB/04.2_USB协议层数据格式_传输.tif and b/STM32MP157/doc_pic/12_USB/04.2_USB协议层数据格式_传输.tif differ