diff --git a/.gitignore b/.gitignore
index 197f167..9b5a342 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,5 @@
 /.idea/
 /cmake-build-debug/
 /cmake-build-release/
+/src/rust_ffi/target/
 /src/klotski/utils/version.h
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 1155cad..1803e53 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -7,4 +7,4 @@ include_directories(klotski/ffi)
 add_subdirectory(klotski)
 
 add_executable(cli main.c)
-target_link_libraries(cli PUBLIC klotski)
+target_link_libraries(cli PRIVATE klotski)
diff --git a/src/klotski/CMakeLists.txt b/src/klotski/CMakeLists.txt
index 9b3ba76..41456c6 100644
--- a/src/klotski/CMakeLists.txt
+++ b/src/klotski/CMakeLists.txt
@@ -2,7 +2,10 @@ cmake_minimum_required(VERSION 3.0)
 
 project(klotski-core VERSION 0.0.1 LANGUAGES CXX)
 
-configure_file(utils/version.h.in ${PROJECT_SOURCE_DIR}/utils/version.h)
+configure_file(
+    utils/version.h.in
+    ${PROJECT_SOURCE_DIR}/utils/version.h
+)
 
 set(CMAKE_CXX_STANDARD 14)
 
@@ -42,26 +45,28 @@ set(FFI_SRC codec.cc tmain.cc version.cc)
 list(TRANSFORM FFI_SRC PREPEND "ffi/")
 add_library(klotski-ffi OBJECT ${FFI_SRC})
 
-option(SHARED_LIB "build static library" ON)
-if (SHARED_LIB)
-    add_library(klotski SHARED $<TARGET_OBJECTS:klotski-ffi>)
-else()
-    add_library(klotski STATIC $<TARGET_OBJECTS:klotski-ffi>)
-endif()
+set(OBJS $<TARGET_OBJECTS:klotski-ffi>)
 
-################################################################
+list(APPEND OBJS $<TARGET_OBJECTS:utils>)
+list(APPEND OBJS $<TARGET_OBJECTS:all_cases>)
 
-target_link_libraries(klotski PRIVATE utils)
-target_link_libraries(klotski PRIVATE all_cases)
+list(APPEND OBJS $<TARGET_OBJECTS:raw_code>)
+list(APPEND OBJS $<TARGET_OBJECTS:short_code>)
+list(APPEND OBJS $<TARGET_OBJECTS:common_code>)
 
-target_link_libraries(klotski PRIVATE raw_code)
-target_link_libraries(klotski PRIVATE short_code)
-target_link_libraries(klotski PRIVATE common_code)
+list(APPEND OBJS $<TARGET_OBJECTS:core>)
+list(APPEND OBJS $<TARGET_OBJECTS:analyse>)
+list(APPEND OBJS $<TARGET_OBJECTS:fast_cal>)
 
-target_link_libraries(klotski PRIVATE core)
-target_link_libraries(klotski PRIVATE analyse)
-target_link_libraries(klotski PRIVATE fast_cal)
+list(APPEND OBJS $<TARGET_OBJECTS:benchmark>)
 
-target_link_libraries(klotski PRIVATE benchmark)
+################################################################
+
+option(STATIC_LIB "build static library" ON)
+if (STATIC_LIB)
+    add_library(klotski STATIC ${OBJS})
+else()
+    add_library(klotski SHARED ${OBJS})
+endif()
 
 ################################################################
diff --git a/src/klotski/all_cases/CMakeLists.txt b/src/klotski/all_cases/CMakeLists.txt
index 3fcf4da..275a4e0 100644
--- a/src/klotski/all_cases/CMakeLists.txt
+++ b/src/klotski/all_cases/CMakeLists.txt
@@ -1,4 +1,4 @@
 cmake_minimum_required(VERSION 3.0)
 
-add_library(all_cases STATIC all_cases.cc basic_ranges.cc)
-target_link_libraries(all_cases PUBLIC utils)
+add_library(all_cases OBJECT all_cases.cc basic_ranges.cc)
+#target_link_libraries(all_cases PUBLIC utils)
diff --git a/src/klotski/analyse/CMakeLists.txt b/src/klotski/analyse/CMakeLists.txt
index 839307f..6fd693c 100644
--- a/src/klotski/analyse/CMakeLists.txt
+++ b/src/klotski/analyse/CMakeLists.txt
@@ -1,4 +1,4 @@
 cmake_minimum_required(VERSION 3.0)
 
-add_library(analyse STATIC analyse.cc backtrack.cc)
-target_link_libraries(analyse PUBLIC core)
+add_library(analyse OBJECT analyse.cc backtrack.cc)
+#target_link_libraries(analyse PUBLIC core)
diff --git a/src/klotski/benchmark/CMakeLists.txt b/src/klotski/benchmark/CMakeLists.txt
index b7e7f2a..77b5045 100644
--- a/src/klotski/benchmark/CMakeLists.txt
+++ b/src/klotski/benchmark/CMakeLists.txt
@@ -1,4 +1,4 @@
 cmake_minimum_required(VERSION 3.0)
 
-add_library(benchmark STATIC chore.cc benchmark.cc)
-target_link_libraries(benchmark PUBLIC all_cases)
+add_library(benchmark OBJECT chore.cc benchmark.cc)
+#target_link_libraries(benchmark PUBLIC all_cases)
diff --git a/src/klotski/common_code/CMakeLists.txt b/src/klotski/common_code/CMakeLists.txt
index dd52c5f..8fd9876 100644
--- a/src/klotski/common_code/CMakeLists.txt
+++ b/src/klotski/common_code/CMakeLists.txt
@@ -1,4 +1,4 @@
 cmake_minimum_required(VERSION 3.0)
 
-add_library(common_code STATIC convert.cc serialize.cc common_code.cc)
-target_link_libraries(common_code PUBLIC utils)
+add_library(common_code OBJECT convert.cc serialize.cc common_code.cc)
+#target_link_libraries(common_code PUBLIC utils)
diff --git a/src/klotski/core/CMakeLists.txt b/src/klotski/core/CMakeLists.txt
index 71314f0..9d6bf25 100644
--- a/src/klotski/core/CMakeLists.txt
+++ b/src/klotski/core/CMakeLists.txt
@@ -1,3 +1,3 @@
 cmake_minimum_required(VERSION 3.0)
 
-add_library(core STATIC core.cc)
+add_library(core OBJECT core.cc)
diff --git a/src/klotski/fast_cal/CMakeLists.txt b/src/klotski/fast_cal/CMakeLists.txt
index a2da0e3..5f154ef 100644
--- a/src/klotski/fast_cal/CMakeLists.txt
+++ b/src/klotski/fast_cal/CMakeLists.txt
@@ -1,4 +1,4 @@
 cmake_minimum_required(VERSION 3.0)
 
-add_library(fast_cal STATIC cal_core.cc fast_cal.cc)
-target_link_libraries(fast_cal PUBLIC core)
+add_library(fast_cal OBJECT cal_core.cc fast_cal.cc)
+#target_link_libraries(fast_cal PUBLIC core)
diff --git a/src/klotski/ffi/tmain.cc b/src/klotski/ffi/tmain.cc
index ea2c7fb..a6848b7 100644
--- a/src/klotski/ffi/tmain.cc
+++ b/src/klotski/ffi/tmain.cc
@@ -1,12 +1,11 @@
 #include <cstdio>
-#include <cstdint>
 
-#include <iostream>
+//#include <iostream>
 
 #include "klotski.h"
 //#include "core.h"
 
-#include "common.h"
+//#include "common.h"
 #include "benchmark.h"
 
 #include "all_cases.h"
@@ -16,13 +15,16 @@ using namespace klotski;
 void tmain() {
     printf("tmain start\n");
 
-    std::cout << ALL_CASES_SIZE_SUM << std::endl;
+    printf("%d\n", ALL_CASES_SIZE_SUM);
+//    std::cout << ALL_CASES_SIZE_SUM << std::endl;
 
 //    uint64_t common_code = 0x1A9BC0C00;
 //    klotski::Common::range_reverse(common_code);
 
-    std::cout << Benchmark::basic_ranges(Benchmark::MS) << std::endl;
-    std::cout << Benchmark::all_cases(Benchmark::MS) << std::endl;
+    printf("%f\n", Benchmark::basic_ranges(Benchmark::MS));
+    printf("%f\n", Benchmark::all_cases(Benchmark::MS));
+//    std::cout << Benchmark::basic_ranges(Benchmark::MS) << std::endl;
+//    std::cout << Benchmark::all_cases(Benchmark::MS) << std::endl;
 
     printf("tmain exit\n");
 }
diff --git a/src/klotski/raw_code/CMakeLists.txt b/src/klotski/raw_code/CMakeLists.txt
index c850338..fac385f 100644
--- a/src/klotski/raw_code/CMakeLists.txt
+++ b/src/klotski/raw_code/CMakeLists.txt
@@ -1,4 +1,4 @@
 cmake_minimum_required(VERSION 3.0)
 
-add_library(raw_code STATIC convert.cc raw_code.cc)
-target_link_libraries(raw_code PUBLIC utils)
+add_library(raw_code OBJECT convert.cc raw_code.cc)
+#target_link_libraries(raw_code PUBLIC utils)
diff --git a/src/klotski/short_code/CMakeLists.txt b/src/klotski/short_code/CMakeLists.txt
index ad24a2d..42eb33f 100644
--- a/src/klotski/short_code/CMakeLists.txt
+++ b/src/klotski/short_code/CMakeLists.txt
@@ -2,5 +2,5 @@ cmake_minimum_required(VERSION 3.0)
 
 include_directories(offset)
 
-add_library(short_code STATIC convert.cc serialize.cc short_code.cc)
-target_link_libraries(short_code PUBLIC utils all_cases)
+add_library(short_code OBJECT convert.cc serialize.cc short_code.cc)
+#target_link_libraries(short_code PUBLIC utils all_cases)
diff --git a/src/klotski/utils/CMakeLists.txt b/src/klotski/utils/CMakeLists.txt
index da9333e..af19f11 100644
--- a/src/klotski/utils/CMakeLists.txt
+++ b/src/klotski/utils/CMakeLists.txt
@@ -1,3 +1,3 @@
 cmake_minimum_required(VERSION 3.0)
 
-add_library(utils STATIC common.cc)
+add_library(utils OBJECT common.cc)
diff --git a/src/main.c b/src/main.c
index 5cb3987..8b3f9be 100644
--- a/src/main.c
+++ b/src/main.c
@@ -4,7 +4,8 @@
 int main() {
 //    printf("cli boot\n");
 
-//    tmain();
+    tmain();
+    return 0;
 
 //    bool ret = common_code_check(0x1A9BF0C00);
 //    printf("result -> %d\n", ret);
diff --git a/src/rust_ffi/Cargo.lock b/src/rust_ffi/Cargo.lock
new file mode 100644
index 0000000..2c36b2c
--- /dev/null
+++ b/src/rust_ffi/Cargo.lock
@@ -0,0 +1,242 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "bindgen"
+version = "0.63.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "36d860121800b2a9a94f9b5604b332d5cffb234ce17609ea479d723dbc9d3885"
+dependencies = [
+ "bitflags",
+ "cexpr",
+ "clang-sys",
+ "lazy_static",
+ "lazycell",
+ "log",
+ "peeking_take_while",
+ "proc-macro2",
+ "quote",
+ "regex",
+ "rustc-hash",
+ "shlex",
+ "syn",
+ "which",
+]
+
+[[package]]
+name = "bitflags"
+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
+
+[[package]]
+name = "cexpr"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"
+dependencies = [
+ "nom",
+]
+
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
+name = "clang-sys"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa2e27ae6ab525c3d369ded447057bca5438d86dc3a68f6faafb8269ba82ebf3"
+dependencies = [
+ "glob",
+ "libc",
+ "libloading",
+]
+
+[[package]]
+name = "either"
+version = "1.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fcaabb2fef8c910e7f4c7ce9f67a1283a1715879a7c230ca9d6d1ae31f16d91"
+
+[[package]]
+name = "glob"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
+
+[[package]]
+name = "klotski_ffi"
+version = "0.1.0"
+dependencies = [
+ "bindgen",
+]
+
+[[package]]
+name = "lazy_static"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+
+[[package]]
+name = "lazycell"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
+
+[[package]]
+name = "libc"
+version = "0.2.139"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "201de327520df007757c1f0adce6e827fe8562fbc28bfd9c15571c66ca1f5f79"
+
+[[package]]
+name = "libloading"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b67380fd3b2fbe7527a606e18729d21c6f3951633d0500574c4dc22d2d638b9f"
+dependencies = [
+ "cfg-if",
+ "winapi",
+]
+
+[[package]]
+name = "log"
+version = "0.4.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "abb12e687cfb44aa40f41fc3978ef76448f9b6038cad6aef4259d3c095a2382e"
+dependencies = [
+ "cfg-if",
+]
+
+[[package]]
+name = "memchr"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
+
+[[package]]
+name = "minimal-lexical"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
+
+[[package]]
+name = "nom"
+version = "7.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
+dependencies = [
+ "memchr",
+ "minimal-lexical",
+]
+
+[[package]]
+name = "once_cell"
+version = "1.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f61fba1741ea2b3d6a1e3178721804bb716a68a6aeba1149b5d52e3d464ea66"
+
+[[package]]
+name = "peeking_take_while"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.50"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ef7d57beacfaf2d8aee5937dab7b7f28de3cb8b1828479bb5de2a7106f2bae2"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8856d8364d252a14d474036ea1358d63c9e6965c8e5c1885c18f73d70bff9c7b"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "regex"
+version = "1.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48aaa5748ba571fb95cd2c85c09f629215d3a6ece942baa100950af03a34f733"
+dependencies = [
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.6.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "456c603be3e8d448b072f410900c09faf164fbce2d480456f50eea6e25f9c848"
+
+[[package]]
+name = "rustc-hash"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
+
+[[package]]
+name = "shlex"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43b2853a4d09f215c24cc5489c992ce46052d359b5109343cbafbf26bc62f8a3"
+
+[[package]]
+name = "syn"
+version = "1.0.107"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1f4064b5b16e03ae50984a5a8ed5d4f8803e6bc1fd170a3cda91a1be4b18e3f5"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "84a22b9f218b40614adcb3f4ff08b703773ad44fa9423e4e0d346d5db86e4ebc"
+
+[[package]]
+name = "which"
+version = "4.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2441c784c52b289a054b7201fc93253e288f094e2f4be9058343127c4226a269"
+dependencies = [
+ "either",
+ "libc",
+ "once_cell",
+]
+
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
diff --git a/src/rust_ffi/Cargo.toml b/src/rust_ffi/Cargo.toml
new file mode 100644
index 0000000..c9d32c4
--- /dev/null
+++ b/src/rust_ffi/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "klotski_ffi"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+
+[build-dependencies]
+bindgen = "0.63.0"
diff --git a/src/rust_ffi/build.rs b/src/rust_ffi/build.rs
new file mode 100644
index 0000000..21f45ab
--- /dev/null
+++ b/src/rust_ffi/build.rs
@@ -0,0 +1,26 @@
+extern crate bindgen;
+
+use std::env;
+use std::path::PathBuf;
+
+const RELEASE_DIR: &str = "../../cmake-build-release/src/klotski";
+
+fn main() {
+    // basic compile options
+    println!("cargo:rustc-link-search={}", RELEASE_DIR);
+    println!("cargo:rustc-link-lib=static=klotski");
+    println!("cargo:rerun-if-changed=wrapper.h");
+    println!("cargo:rustc-link-lib=stdc++");
+
+    // build binding info from c-header file
+    let bindings = bindgen::Builder::default()
+        .header("wrapper.h")
+        .parse_callbacks(Box::new(bindgen::CargoCallbacks))
+        .generate()
+        .expect("Unable to generate bindings");
+
+    // release binding rust source code
+    let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
+    bindings.write_to_file(out_path.join("bindings.rs"))
+        .expect("Couldn't write bindings");
+}
diff --git a/src/rust_ffi/src/main.rs b/src/rust_ffi/src/main.rs
new file mode 100644
index 0000000..96ade13
--- /dev/null
+++ b/src/rust_ffi/src/main.rs
@@ -0,0 +1,18 @@
+#![allow(non_snake_case)]
+#![allow(non_camel_case_types)]
+#![allow(non_upper_case_globals)]
+include!(concat!(env!("OUT_DIR"), "/bindings.rs"));
+
+use std::env;
+
+fn klotski_tmain() {
+    unsafe {
+        tmain();
+    }
+}
+
+fn main() {
+    println!("rust start");
+    klotski_tmain();
+    println!("rust exit");
+}
diff --git a/src/rust_ffi/wrapper.h b/src/rust_ffi/wrapper.h
new file mode 100644
index 0000000..74ac8f7
--- /dev/null
+++ b/src/rust_ffi/wrapper.h
@@ -0,0 +1,3 @@
+#pragma once
+
+#include "../klotski/ffi/klotski.h"
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index a73f3a1..0e3e265 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -14,7 +14,7 @@ add_library(md5 STATIC ../third_party/md5/md5.cpp)
 include_directories(../src/klotski/utils)
 add_executable(test_utils utils.cc)
 target_link_libraries(test_utils PUBLIC gtest gtest_main)
-target_link_libraries(test_utils PUBLIC utils)
+target_link_libraries(test_utils PUBLIC klotski)
 add_test(NAME utils COMMAND test_utils)
 
 ################################################################
@@ -22,7 +22,7 @@ add_test(NAME utils COMMAND test_utils)
 include_directories(../src/klotski/all_cases)
 add_executable(test_all_cases all_cases.cc)
 target_link_libraries(test_all_cases PUBLIC gtest gtest_main)
-target_link_libraries(test_all_cases PUBLIC md5 all_cases)
+target_link_libraries(test_all_cases PUBLIC klotski md5)
 add_test(NAME all_cases COMMAND test_all_cases)
 
 ################################################################