diff --git a/nemu/include/debug.h b/nemu/include/debug.h
index 835f8dc..7a2cd8a 100644
--- a/nemu/include/debug.h
+++ b/nemu/include/debug.h
@@ -21,15 +21,15 @@
 #include <utils.h>
 
 #define Log(format, ...) \
-    _Log(ANSI_FMT("[INFO] %s:%d %s" format, ANSI_FG_BLUE) "\n", \
+    _Log(ANSI_FMT("[INFO] %s:%d %s " format, ANSI_FG_BLUE) "\n", \
         __FILE__, __LINE__, __func__, ## __VA_ARGS__)
 
 #define Warning(format, ...) \
-    _Log(ANSI_FMT("[WARNING] %s:%d %s" format, ANSI_FG_YELLOW) "\n", \
+    _Log(ANSI_FMT("[WARNING] %s:%d %s " format, ANSI_FG_YELLOW) "\n", \
         __FILE__, __LINE__, __func__, ## __VA_ARGS__)
 
 #define Error(format, ...) \
-    _Log(ANSI_FMT("[ERROR] %s:%d %s" format, ANSI_FG_RED) "\n", \
+    _Log(ANSI_FMT("[ERROR] %s:%d %s " format, ANSI_FG_RED) "\n", \
         __FILE__, __LINE__, __func__, ## __VA_ARGS__)
 
 #define Assert(cond, format, ...) \