diff --git a/src/klotski_core/CMakeLists.txt b/src/klotski_core/CMakeLists.txt
index 5ead486..628f908 100644
--- a/src/klotski_core/CMakeLists.txt
+++ b/src/klotski_core/CMakeLists.txt
@@ -6,6 +6,30 @@ project(klotski-core VERSION 0.1.2 LANGUAGES CXX)
 
 ################################################################################
 
+macro(git_tag _tag)
+    find_package(Git QUIET)
+    if (GIT_FOUND)
+        execute_process(
+            COMMAND ${GIT_EXECUTABLE} describe --tags
+                OUTPUT_VARIABLE ${_tag}
+                OUTPUT_STRIP_TRAILING_WHITESPACE
+                ERROR_QUIET
+        )
+    endif()
+endmacro()
+
+macro(git_branch _branch)
+    find_package(Git QUIET)
+    if (GIT_FOUND)
+        execute_process(
+            COMMAND ${GIT_EXECUTABLE} symbolic-ref --short -q HEAD
+                OUTPUT_VARIABLE ${_branch}
+                OUTPUT_STRIP_TRAILING_WHITESPACE
+                ERROR_QUIET
+        )
+    endif()
+endmacro()
+
 macro(git_commit_id _hash)
     find_package(Git QUIET)
     if (GIT_FOUND)
@@ -18,7 +42,14 @@ macro(git_commit_id _hash)
     endif()
 endmacro()
 
+################################################################################
+
+set(GIT_BRANCH "")
+set(GIT_TAG_LONG "")
 set(GIT_COMMIT_LONG "")
+
+git_tag(GIT_TAG_LONG)
+git_branch(GIT_BRANCH)
 git_commit_id(GIT_COMMIT_LONG)
 
 set(PLAT "${CMAKE_SYSTEM_NAME}")
@@ -28,7 +59,7 @@ set(VERSION_MAJOR ${klotski-core_VERSION_MAJOR})
 set(VERSION_MINOR ${klotski-core_VERSION_MINOR})
 set(VERSION_ALTER ${klotski-core_VERSION_PATCH})
 
-string(TIMESTAMP BUILD_TIME "%Y-%m-%d %H:%M:%S")
+string(TIMESTAMP VERSION_BUILD "%Y-%m-%d %H:%M:%S")
 
 set(COMPILER "${CMAKE_CXX_COMPILER_ID} ${CMAKE_CXX_COMPILER_VERSION}")
 
diff --git a/src/klotski_core/ffi/metadata.cc b/src/klotski_core/ffi/metadata.cc
index 4268550..0bf2937 100644
--- a/src/klotski_core/ffi/metadata.cc
+++ b/src/klotski_core/ffi/metadata.cc
@@ -17,6 +17,10 @@ const char* get_author() {
     return AUTHOR;
 }
 
+const char* get_git_tag() {
+    return GIT_TAG_ID;
+}
+
 const char* get_version() {
     return VERSION_STR;
 }
@@ -29,8 +33,12 @@ const char* get_build_time() {
     return BUILD_TIME;
 }
 
+const char* get_git_branch() {
+    return GIT_BRANCH;
+}
+
 const char* get_project_url() {
-    return PROJECT_URL;
+    return GIT_PROJECT;
 }
 
 const char* get_system_info() {
diff --git a/src/klotski_core/klotski.h b/src/klotski_core/klotski.h
index 9d72867..5ba9a8b 100644
--- a/src/klotski_core/klotski.h
+++ b/src/klotski_core/klotski.h
@@ -28,9 +28,11 @@ extern "C" {
     extern int get_version_patch();
 
     extern const char* get_author();
+    extern const char* get_git_tag();
     extern const char* get_version();
     extern const char* get_commit_id();
     extern const char* get_build_time();
+    extern const char* get_git_branch();
     extern const char* get_project_url();
     extern const char* get_system_info();
     extern const char* get_compiler_info();
diff --git a/src/klotski_core/utils/metadata.h.in b/src/klotski_core/utils/metadata.h.in
index 91fa9bd..130ee7f 100644
--- a/src/klotski_core/utils/metadata.h.in
+++ b/src/klotski_core/utils/metadata.h.in
@@ -8,6 +8,9 @@
 #define AUTHOR          "dnomd343"
 #define SYSTEM          "@PLAT@ @ARCH@"
 #define COMPILER        "@COMPILER@"
-#define BUILD_TIME      "@BUILD_TIME@"
-#define PROJECT_URL     "https://github.com/dnomd343/klotski.git"
+#define BUILD_TIME      "@VERSION_BUILD@"
+
+#define GIT_BRANCH      "@GIT_BRANCH@"
+#define GIT_TAG_ID      "@GIT_TAG_LONG@"
+#define GIT_PROJECT     "https://github.com/dnomd343/klotski.git"
 #define GIT_COMMIT_ID   "@GIT_COMMIT_LONG@"
diff --git a/src/klotski_core/xmake.lua b/src/klotski_core/xmake.lua
index c7246ba..819969f 100644
--- a/src/klotski_core/xmake.lua
+++ b/src/klotski_core/xmake.lua
@@ -3,10 +3,20 @@
 set_xmakever("2.5.3")
 
 set_project("klotski-core")
-set_version("0.1.2")
+set_version("0.1.2", {build = "%Y-%m-%d %H:%M:%S"})
 set_languages("cxx14")
 
-set_optimize("fastest")
+if is_mode("debug") then
+    set_symbols("debug")
+    set_optimize("none")
+end
+
+if is_mode("release") then
+    set_strip("all")
+    set_symbols("hidden")
+    set_optimize("fastest")
+end
+
 set_warnings("everything")
 
 ----------------------------------------------------------------
@@ -29,39 +39,48 @@ add_includedirs("benchmark")
 target("utils")
     set_kind("object")
     add_files("utils/*.cc")
+target_end()
 
 target("all_cases")
     set_kind("object")
     add_files("all_cases/*.cc")
+target_end()
 
 target("raw_code")
     set_kind("object")
     add_files("raw_code/*.cc")
+target_end()
 
 target("short_code")
     set_kind("object")
     add_includedirs("short_code/offset")
     add_files("short_code/*.cc")
+target_end()
 
 target("common_code")
     set_kind("object")
     add_files("common_code/*.cc")
+target_end()
 
 target("core")
     set_kind("object")
     add_files("core/*.cc")
+target_end()
 
 target("fast_cal")
     set_kind("object")
     add_files("fast_cal/*.cc")
+target_end()
 
 target("analyse")
     set_kind("object")
     add_files("analyse/*.cc")
+target_end()
 
 target("benchmark")
     set_kind("object")
     add_files("benchmark/*.cc")
+target_end()
 
 ----------------------------------------------------------------
 
@@ -70,30 +89,51 @@ target("klotski-ffi")
     add_includedirs(".")
     add_files("ffi/*.cc")
 
-    set_configvar("COMPILER", "GCC ...")
-    set_configvar("BUILD_TIME", "...time...")
+    -- TODO: get compiler name and version
+    set_configvar("COMPILER", "XMake")
 
     set_configdir("$(projectdir)/utils")
     add_configfiles("utils/metadata.h.in", {
         filename = "metadata.h", pattern = "@(.-)@"
     })
+target_end()
 
 ----------------------------------------------------------------
 
 target("klotski")
     set_kind("static")
-
     add_deps("klotski-ffi")
     add_deps("utils", "all_cases")
     add_deps("raw_code", "short_code", "common_code")
     add_deps("core", "fast_cal", "analyse")
     add_deps("benchmark")
-
     set_policy("build.merge_archive", true)
-    set_targetdir("$(projectdir)/../../bin/")
 
     after_build(function (target)
-        os.cp("$(projectdir)/klotski.h", "$(projectdir)/../../bin/")
+        import("core.project.config")
+
+--         local target_file = target:targetfile()
+
+        os.cp(target:targetfile(), "$(projectdir)/bin/")
+        os.cp("$(scriptdir)/klotski.h", "$(projectdir)/bin/")
+
     end)
 
+--     before_build(function(target)
+--         print("23333 -> $(scriptdir)")
+--         os.cp("$(scriptdir)/xxx.h", "$(buildir)/inc")
+
+--         set_targetdir("$(scriptdir)/../../bin/")
+
+--     end)
+
+--     print("23333 -> $(scriptdir)")
+
+--     set_targetdir("$(scriptdir)/../../bin/")
+
+--     after_build(function (target)
+--         os.cp("$(projectdir)/klotski.h", "$(projectdir)/../../bin/")
+--     end)
+target_end()
+
 ----------------------------------------------------------------
diff --git a/xmake.lua b/xmake.lua
new file mode 100644
index 0000000..8594f20
--- /dev/null
+++ b/xmake.lua
@@ -0,0 +1,5 @@
+set_xmakever("2.5.3")
+
+BUILD_DN = "2333"
+
+add_subdirs("src/klotski_core")