diff --git a/update_note.txt b/update_note.txt
index c00f111d..002b0deb 100644
--- a/update_note.txt
+++ b/update_note.txt
@@ -10,4 +10,8 @@
 
 4. Change the name of USB_UART device to OTGToUart Serial (OTG to serial port)
 
-5. Delete Signature File Configuration
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+5. Delete Signature File Configuration
+
+6.Add signature configuration input windows.
+
+7.fixed signature configuration input.
\ No newline at end of file