diff --git a/docs/en/unit/M5-bit.md b/docs/en/unit/M5-bit.md
index b9d8f93b..d512c5a7 100644
--- a/docs/en/unit/M5-bit.md
+++ b/docs/en/unit/M5-bit.md
@@ -25,12 +25,4 @@ The other IO interfaces are extended and exported, used the DuPont line can be u
 
 ## Include
 
--  1x M5:bit
-
-
-
-It is an M5Core-Microbit serial communication adapter board.
-
-The adapter board connects the Microbit serial port pin to the GROVE interface for serial communication with the M5Core or other applications.
-
-The other IO interfaces are extended and exported, used the DuPont line can be used to connect with various hardware.
\ No newline at end of file
+-  1x M5:bit
\ No newline at end of file