diff --git a/CMakeLists.txt b/CMakeLists.txt
index 15bad08..bef24da 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,6 +4,9 @@ project(interface_test VERSION 1.0.0 LANGUAGES C CXX)
 
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
+site_name(BUILD_HOSTNAME)
+add_definitions(-DRD_HOSTNAME="${BUILD_HOSTNAME}")
+
 set(GENERATED_COMMON_DIR "${CMAKE_BINARY_DIR}/library/common")
 file(MAKE_DIRECTORY "${GENERATED_COMMON_DIR}")
 set(COMMON_CFG_IN "${CMAKE_CURRENT_SOURCE_DIR}/library/common/common_cfg.h.in")
diff --git a/library/common/common.c b/library/common/common.c
index 03072eb..af02486 100644
--- a/library/common/common.c
+++ b/library/common/common.c
@@ -4,7 +4,7 @@
 #include "common.h"
 #include <stdarg.h>  // 必须包含此头文件以使用变参宏
 
-static char g_sBuildTime[64] = {0};
+static char g_sBuildTime[128] = {0};
 
 WEAK void elog_output(uint8_t level, const char *tag, const char *file, const char *func, long line, const char *format, ...)
 {    
@@ -97,6 +97,10 @@ int Rd_RegularFileExists(const char *_psPath)
 
 char *Rd_GetBuildTime(void)
 {
-    snprintf(g_sBuildTime, sizeof(g_sBuildTime), "%s %s", __DATE__, __TIME__);
+#ifdef RD_HOSTNAME
+    snprintf(g_sBuildTime, sizeof(g_sBuildTime), "%s build [%s %s] by %s", RD_VERSION, __DATE__, __TIME__, RD_HOSTNAME);
+#else
+    snprintf(g_sBuildTime, sizeof(g_sBuildTime), "%s build [%s %s]", RD_VERSION, __DATE__, __TIME__);
+#endif
     return g_sBuildTime;
 }
\ No newline at end of file
diff --git a/library/common/common_cfg.h.in b/library/common/common_cfg.h.in
index 5408426..63bd9d7 100644
--- a/library/common/common_cfg.h.in
+++ b/library/common/common_cfg.h.in
@@ -12,6 +12,7 @@ extern "C"{
 
 #cmakedefine MEM_POOL_TOTAL_SIZE @MEM_POOL_TOTAL_SIZE@
 #cmakedefine CONFIG_CAN_NEW_VERSION @CONFIG_CAN_NEW_VERSION@
+#cmakedefine RD_VERSION "@RD_VERSION@"
 
 #cmakedefine IOC_100PIN 
 #cmakedefine USE_TALNET
diff --git a/library/common/include/common.h b/library/common/include/common.h
index ab36fbc..41a96bf 100644
--- a/library/common/include/common.h
+++ b/library/common/include/common.h
@@ -11,6 +11,10 @@
 #define RD_NULL    -2 //对象为空
 #define RD_INVALUE -3 //非法参数
 
+#ifndef RD_VERSION
+#define RD_VERSION "N/A"
+#endif
+
 /* 原子操作跨平台要兼容 */
 #if defined(__GNUC__) || defined(__clang__)
     #define ATOMIC_LOAD(ptr, type, order)   __atomic_load_n((ptr), (order))
diff --git a/lua/lua.c b/lua/lua.c
index dc5c0a9..f74dfeb 100644
--- a/lua/lua.c
+++ b/lua/lua.c
@@ -397,6 +397,19 @@ static char *readline(const char *_pcPrompt, char *_pcBuffer, int _iSize, int _i
 
 extern int luaopen_stm32(lua_State *L);
 
+static int l_name(lua_State *L)
+{
+    lua_print("%s\n", Rd_GetBuildTime());
+    return 0;    
+}
+
+static int luaopen_default(lua_State *L)
+{
+    lua_pushcfunction(L, l_name);
+    lua_setglobal(L, "name"); // name = l_name
+    return 0;
+}
+
 int lua_init(lua_output _lua_print)
 {
     if (NULL == _lua_print) return -1;
@@ -443,6 +456,7 @@ int lua_init(lua_output _lua_print)
 #ifdef USE_LUA_ST
     luaopen_stm32(L);
 #endif
+    luaopen_default(L);
     lua_print("Lua REPL V5.4\nType 'exit' or Ctrl+D to quit.\n\n");
     lua_print("%s", incomplete ? CONT_PROMPT : PROMPT);
     return 0;