diff --git a/include/common.h b/include/common.h
index e691b0b..a23ae2b 100644
--- a/include/common.h
+++ b/include/common.h
@@ -1,7 +1,7 @@
 #ifndef _COMMON_H_
 #define _COMMON_H_
 
-#define VERSION "0.9.5"
+#define VERSION "1.0.0-beta"
 
 #define RANDOM_PORT_START 41952
 #define RANDOM_PORT_END   65535
diff --git a/src/common.c b/src/common.c
index 35640a4..41bcb09 100644
--- a/src/common.c
+++ b/src/common.c
@@ -64,7 +64,7 @@ char* read_file(char *file_name) { // read file content
 
 void init(int argc, char **argv, char *help_msg) {
     if (argc <= 1) { // with only one argument
-        printf("%s", help_msg);
+        printf(help_msg, VERSION);
         exit(0);
     }
     for (int i = 0; i < argc; ++i) {
@@ -72,7 +72,7 @@ void init(int argc, char **argv, char *help_msg) {
             LOG_LEVEL = LOG_DEBUG;
         }
         if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help")) { // include `-h` or `--help`
-            printf("%s", help_msg);
+            printf(help_msg, VERSION);
             exit(0);
         }
     }
diff --git a/src/local.c b/src/local.c
index 22ae724..b8f5db1 100644
--- a/src/local.c
+++ b/src/local.c
@@ -4,7 +4,7 @@
 #include "process.h"
 
 char *help_msg = "\n\
-ss-bootstrap-local\n\
+ss-bootstrap-local (%s)\n\
 \n\
     A simple program to make the original shadowsocks support SIP003 plugins.\n\
 \n\
diff --git a/src/server.c b/src/server.c
index cd0289e..1a79a97 100644
--- a/src/server.c
+++ b/src/server.c
@@ -4,7 +4,7 @@
 #include "process.h"
 
 char *help_msg = "\n\
-ss-bootstrap-server\n\
+ss-bootstrap-server (%s)\n\
 \n\
     A simple program to make the original shadowsocks support SIP003 plugins.\n\
 \n\