diff --git a/tools/bflb_flash_tool/bflb_iot_tool b/tools/bflb_flash_tool/bflb_iot_tool
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diff --git a/tools/bflb_flash_tool/bflb_mcu_tool b/tools/bflb_flash_tool/bflb_mcu_tool
old mode 100644
new mode 100755