diff --git a/firmware/README.MD b/firmware/README.MD
index ad7899a..9633bdb 100644
--- a/firmware/README.MD
+++ b/firmware/README.MD
@@ -1 +1,22 @@
-![](SETTING.jpg)
\ No newline at end of file
+
+[Flash_download_tool](https://www.espressif.com.cn/sites/default/files/tools/flash_download_tool_3.9.3_0.zip)
+
+
+![](esp32-1.png)
+![](esp32-2.png)
+
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diff --git a/firmware/SETTING.jpg b/firmware/SETTING.jpg
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diff --git a/firmware/esp32-1.png b/firmware/esp32-1.png
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diff --git a/firmware/esp32-2.png b/firmware/esp32-2.png
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