diff --git a/.gitignore b/.gitignore
index c71bc5a..cdd2f6f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,5 +2,4 @@
 .DS_Store
 build
 make
-bin
 .gitignore
\ No newline at end of file
diff --git a/bin/hardware_test/README.MD b/bin/hardware_test/README.MD
new file mode 100644
index 0000000..39a3ca4
--- /dev/null
+++ b/bin/hardware_test/README.MD
@@ -0,0 +1,8 @@
+### The firmware is used to test whether the hardware is normal
+
+
+# How to Flash ?
+
+* [Use MAC](https://github.com/Xinyuan-LilyGO/LilyGo-Document/blob/master/MacFlashBin.md)
+* [Use Windows](https://github.com/Xinyuan-LilyGO/LilyGo-Document/blob/master/WinFlashBin.md)
+
diff --git a/bin/hardware_test/hw_test_2019.bin b/bin/hardware_test/hw_test_2019.bin
new file mode 100644
index 0000000..416f59b
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diff --git a/bin/hardware_test/hw_test_v1.bin b/bin/hardware_test/hw_test_v1.bin
new file mode 100644
index 0000000..5fcce81
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diff --git a/bin/hardware_test/hw_test_v2.bin b/bin/hardware_test/hw_test_v2.bin
new file mode 100644
index 0000000..e516280
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diff --git a/bin/hardware_test/hw_test_v3.bin b/bin/hardware_test/hw_test_v3.bin
new file mode 100644
index 0000000..fbd68ad
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