diff --git a/node/node.go b/node/node.go
index 8c5d058..1af2a81 100644
--- a/node/node.go
+++ b/node/node.go
@@ -54,7 +54,12 @@ func usage(val interface{}) error{
 		return nil
 	}
 
-	fmt.Fprintf(os.Stderr, "Welcome to Origin(build time: %s)\nUsage: originserver [-help] [-start node=1] [-stop] [-config path] [-pprof 0.0.0.0:6060]...\n",buildtime.GetBuildDateTime())
+	if len(buildtime.GetBuildDateTime())>0 {
+		fmt.Fprintf(os.Stderr, "Welcome to Origin(build info: %s)\nUsage: originserver [-help] [-start node=1] [-stop] [-config path] [-pprof 0.0.0.0:6060]...\n",buildtime.GetBuildDateTime())
+	}else{
+		fmt.Fprintf(os.Stderr, "Welcome to Origin\nUsage: originserver [-help] [-start node=1] [-stop] [-config path] [-pprof 0.0.0.0:6060]...\n")
+	}
+
 	console.PrintDefaults()
 	return nil
 }
diff --git a/util/buildtime/build.go b/util/buildtime/build.go
index 6b7dc4c..9af843d 100644
--- a/util/buildtime/build.go
+++ b/util/buildtime/build.go
@@ -1,45 +1,8 @@
 package buildtime
 
-/*
-#include <stdio.h>
+var BuildTime string
 
-#define OS_YEAR     ((((__DATE__ [7] - '0') * 10 + (__DATE__ [8] - '0')) * 10 \
-                                    + (__DATE__ [9] - '0')) * 10 + (__DATE__ [10] - '0'))
-
-// Retrieve month info
-#define OS_MONTH    (__DATE__ [2] == 'n' ? (__DATE__ [1] == 'a' ? 1 : 6) \
-                                : __DATE__ [2] == 'b' ? 2 \
-                                : __DATE__ [2] == 'r' ? (__DATE__ [0] == 'M' ? 3 : 4) \
-                                : __DATE__ [2] == 'y' ? 5 \
-                                : __DATE__ [2] == 'l' ? 7 \
-                                : __DATE__ [2] == 'g' ? 8 \
-                                : __DATE__ [2] == 'p' ? 9 \
-                                : __DATE__ [2] == 't' ? 10 \
-                                : __DATE__ [2] == 'v' ? 11 : 12)
-
-// Retrieve day info
-#define OS_DAY      ((__DATE__ [4] == ' ' ? 0 : __DATE__ [4] - '0') * 10 \
-                                + (__DATE__ [5] - '0'))
-
-// Retrieve hour info
-#define OS_HOUR     ((__TIME__ [0] - '0') * 10 + (__TIME__ [1] - '0'))
-
-// Retrieve minute info
-#define OS_MINUTE   ((__TIME__ [3] - '0') * 10 + (__TIME__ [4] - '0'))
-
-// Retrieve second info
-#define OS_SECOND   ((__TIME__ [6] - '0') * 10 + (__TIME__ [7] - '0'))
-
-
-char* GetBuildTime()
-{
-    static char buffer[16] = {0};
-	snprintf(buffer, 16,"%04d%02d%02d%02d%02d%02d", OS_YEAR, OS_MONTH, OS_DAY, OS_HOUR, OS_MINUTE, OS_SECOND);
-    return buffer;
-}
-*/
-import "C"
 
 func GetBuildDateTime() string {
-	return C.GoString(C.GetBuildTime())
+	return BuildTime
 }