diff --git a/protocol.h b/protocol.h
index ae0f9a0..40dab68 100644
--- a/protocol.h
+++ b/protocol.h
@@ -7,7 +7,7 @@
 extern "C" {
 #endif
 
-#define HAND_ACID_BLE_BASE_SIZE 6
+#define HAND_ACID_BLE_BASE_SIZE 6 // 
 
 #define PACKET_H1               (0xAA)
 #define PACKET_H2               (0xBB)