diff --git a/hwinfo-21.47-vs-21.70.yaml b/hwinfo-21.47-vs-21.70.yaml
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+name: hwinfo
+old_version: 21.47
+new_version: 21.70
+interface_differences:
+- type: 'feature'
+  item: RISC-V
+  diff: src/hd/cpu.c添加了RISC-V支持
+  influence: 功能增强
+- type: 'feature'
+  item: 支持SMBIOS 3.0规范
+  diff: src/hd/bios.c允许DMI记录任意64位地址
+  influence: 功能增强
+- type: 'feature'
+  item: 新增src/ids/update_pci_usb脚本
+  diff: 更新pci和usb的ID
+  influence:功能增强
+- type: 'feature'
+  item: mdio上添加网络接口
+  diff: src/hd/pci.c在mdio上添加网络接口，从Sysfs获取Mdio数据
+  influence:功能增强
+- type: 'ABI'
+  item: 新增hd_read_visorbus
+  diff: 从新路径读取硬件信息/sys/bus/visorbus/devices
+  influence:功能增强
+- type: 'ABI'
+  item: pif_usb_e新增一个常量
+  diff: 添加xhci接口常量pif_usb_xhci = 0x30
+  influence:功能增强
+remark: '仅有新增功能，对原有使用者无影响'
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