diff --git a/mcp_can_dfs.h b/mcp_can_dfs.h
index da18982..6bcb441 100644
--- a/mcp_can_dfs.h
+++ b/mcp_can_dfs.h
@@ -37,7 +37,7 @@
 #endif
 
 // if print debug information
-#define DEBUG_MODE 1
+#define DEBUG_MODE 0
 
 /*
  *   Begin mt