diff --git a/Ubiquitous/XiZi_IIoT/tool/bootloader/Kconfig b/Ubiquitous/XiZi_IIoT/tool/bootloader/Kconfig
new file mode 100644
index 000000000..e69de29bb
diff --git a/Ubiquitous/XiZi_IIoT/tool/bootloader/Makefile b/Ubiquitous/XiZi_IIoT/tool/bootloader/Makefile
new file mode 100644
index 000000000..e69de29bb
diff --git a/Ubiquitous/XiZi_IIoT/tool/bootloader/flash/Kconfig b/Ubiquitous/XiZi_IIoT/tool/bootloader/flash/Kconfig
new file mode 100644
index 000000000..e69de29bb
diff --git a/Ubiquitous/XiZi_IIoT/tool/bootloader/flash/Makefile b/Ubiquitous/XiZi_IIoT/tool/bootloader/flash/Makefile
new file mode 100644
index 000000000..e69de29bb
diff --git a/Ubiquitous/XiZi_IIoT/tool/bootloader/ota/Kconfig b/Ubiquitous/XiZi_IIoT/tool/bootloader/ota/Kconfig
new file mode 100644
index 000000000..e69de29bb
diff --git a/Ubiquitous/XiZi_IIoT/tool/bootloader/ota/Makefile b/Ubiquitous/XiZi_IIoT/tool/bootloader/ota/Makefile
new file mode 100644
index 000000000..e69de29bb