diff --git a/assets/v0.1.0/libgofunc_arm64.h b/assets/v0.1.0/libgofunc_arm64.h
new file mode 100644
index 0000000..cecd6e5
--- /dev/null
+++ b/assets/v0.1.0/libgofunc_arm64.h
@@ -0,0 +1,108 @@
+/* Code generated by cmd/cgo; DO NOT EDIT. */
+
+/* package libgofunc */
+
+
+#line 1 "cgo-builtin-export-prolog"
+
+#include <stddef.h>
+
+#ifndef GO_CGO_EXPORT_PROLOGUE_H
+#define GO_CGO_EXPORT_PROLOGUE_H
+
+#ifndef GO_CGO_GOSTRING_TYPEDEF
+typedef struct { const char *p; ptrdiff_t n; } _GoString_;
+extern size_t _GoStringLen(_GoString_ s);
+extern const char *_GoStringPtr(_GoString_ s);
+#endif
+
+#endif
+
+/* Start of preamble from import "C" comments.  */
+
+
+#line 4 "img.go"
+
+		#include <stdint.h>
+	
+#line 1 "cgo-generated-wrapper"
+
+#line 4 "main.go"
+
+		#include <stdint.h>
+	
+#line 1 "cgo-generated-wrapper"
+
+#line 4 "printer.go"
+
+		#include <stdint.h>
+	
+#line 1 "cgo-generated-wrapper"
+
+
+/* End of preamble from import "C" comments.  */
+
+
+/* Start of boilerplate cgo prologue.  */
+#line 1 "cgo-gcc-export-header-prolog"
+
+#ifndef GO_CGO_PROLOGUE_H
+#define GO_CGO_PROLOGUE_H
+
+typedef signed char GoInt8;
+typedef unsigned char GoUint8;
+typedef short GoInt16;
+typedef unsigned short GoUint16;
+typedef int GoInt32;
+typedef unsigned int GoUint32;
+typedef long long GoInt64;
+typedef unsigned long long GoUint64;
+typedef GoInt64 GoInt;
+typedef GoUint64 GoUint;
+typedef size_t GoUintptr;
+typedef float GoFloat32;
+typedef double GoFloat64;
+#ifdef _MSC_VER
+#if !defined(__cplusplus) || _MSVC_LANG <= 201402L
+#include <complex.h>
+typedef _Fcomplex GoComplex64;
+typedef _Dcomplex GoComplex128;
+#else
+#include <complex>
+typedef std::complex<float> GoComplex64;
+typedef std::complex<double> GoComplex128;
+#endif
+#else
+typedef float _Complex GoComplex64;
+typedef double _Complex GoComplex128;
+#endif
+
+/*
+  static assertion to make sure the file is being used on architecture
+  at least with matching size of GoInt.
+*/
+typedef char _check_for_64_bit_pointer_matching_GoInt[sizeof(void*)==64/8 ? 1:-1];
+
+#ifndef GO_CGO_GOSTRING_TYPEDEF
+typedef _GoString_ GoString;
+#endif
+typedef void *GoMap;
+typedef void *GoChan;
+typedef struct { void *t; void *v; } GoInterface;
+typedef struct { void *data; GoInt len; GoInt cap; } GoSlice;
+
+#endif
+
+/* End of boilerplate cgo prologue.  */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern char* GenPNG(char* outputPath, char* payload, char* tmpl);
+extern GoInt Sum(GoInt a, GoInt b);
+extern char* PrintImg(char* printer, char* imagePath);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/assets/v0.1.0/libgofunc_armv7a.h b/assets/v0.1.0/libgofunc_armv7a.h
new file mode 100644
index 0000000..9c7e888
--- /dev/null
+++ b/assets/v0.1.0/libgofunc_armv7a.h
@@ -0,0 +1,108 @@
+/* Code generated by cmd/cgo; DO NOT EDIT. */
+
+/* package libgofunc */
+
+
+#line 1 "cgo-builtin-export-prolog"
+
+#include <stddef.h>
+
+#ifndef GO_CGO_EXPORT_PROLOGUE_H
+#define GO_CGO_EXPORT_PROLOGUE_H
+
+#ifndef GO_CGO_GOSTRING_TYPEDEF
+typedef struct { const char *p; ptrdiff_t n; } _GoString_;
+extern size_t _GoStringLen(_GoString_ s);
+extern const char *_GoStringPtr(_GoString_ s);
+#endif
+
+#endif
+
+/* Start of preamble from import "C" comments.  */
+
+
+#line 4 "img.go"
+
+		#include <stdint.h>
+	
+#line 1 "cgo-generated-wrapper"
+
+#line 4 "main.go"
+
+		#include <stdint.h>
+	
+#line 1 "cgo-generated-wrapper"
+
+#line 4 "printer.go"
+
+		#include <stdint.h>
+	
+#line 1 "cgo-generated-wrapper"
+
+
+/* End of preamble from import "C" comments.  */
+
+
+/* Start of boilerplate cgo prologue.  */
+#line 1 "cgo-gcc-export-header-prolog"
+
+#ifndef GO_CGO_PROLOGUE_H
+#define GO_CGO_PROLOGUE_H
+
+typedef signed char GoInt8;
+typedef unsigned char GoUint8;
+typedef short GoInt16;
+typedef unsigned short GoUint16;
+typedef int GoInt32;
+typedef unsigned int GoUint32;
+typedef long long GoInt64;
+typedef unsigned long long GoUint64;
+typedef GoInt32 GoInt;
+typedef GoUint32 GoUint;
+typedef size_t GoUintptr;
+typedef float GoFloat32;
+typedef double GoFloat64;
+#ifdef _MSC_VER
+#if !defined(__cplusplus) || _MSVC_LANG <= 201402L
+#include <complex.h>
+typedef _Fcomplex GoComplex64;
+typedef _Dcomplex GoComplex128;
+#else
+#include <complex>
+typedef std::complex<float> GoComplex64;
+typedef std::complex<double> GoComplex128;
+#endif
+#else
+typedef float _Complex GoComplex64;
+typedef double _Complex GoComplex128;
+#endif
+
+/*
+  static assertion to make sure the file is being used on architecture
+  at least with matching size of GoInt.
+*/
+typedef char _check_for_32_bit_pointer_matching_GoInt[sizeof(void*)==32/8 ? 1:-1];
+
+#ifndef GO_CGO_GOSTRING_TYPEDEF
+typedef _GoString_ GoString;
+#endif
+typedef void *GoMap;
+typedef void *GoChan;
+typedef struct { void *t; void *v; } GoInterface;
+typedef struct { void *data; GoInt len; GoInt cap; } GoSlice;
+
+#endif
+
+/* End of boilerplate cgo prologue.  */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern char* GenPNG(char* outputPath, char* payload, char* tmpl);
+extern GoInt Sum(GoInt a, GoInt b);
+extern char* PrintImg(char* printer, char* imagePath);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/assets/v0.1.0/libgofunc_x64.h b/assets/v0.1.0/libgofunc_x64.h
new file mode 100644
index 0000000..cecd6e5
--- /dev/null
+++ b/assets/v0.1.0/libgofunc_x64.h
@@ -0,0 +1,108 @@
+/* Code generated by cmd/cgo; DO NOT EDIT. */
+
+/* package libgofunc */
+
+
+#line 1 "cgo-builtin-export-prolog"
+
+#include <stddef.h>
+
+#ifndef GO_CGO_EXPORT_PROLOGUE_H
+#define GO_CGO_EXPORT_PROLOGUE_H
+
+#ifndef GO_CGO_GOSTRING_TYPEDEF
+typedef struct { const char *p; ptrdiff_t n; } _GoString_;
+extern size_t _GoStringLen(_GoString_ s);
+extern const char *_GoStringPtr(_GoString_ s);
+#endif
+
+#endif
+
+/* Start of preamble from import "C" comments.  */
+
+
+#line 4 "img.go"
+
+		#include <stdint.h>
+	
+#line 1 "cgo-generated-wrapper"
+
+#line 4 "main.go"
+
+		#include <stdint.h>
+	
+#line 1 "cgo-generated-wrapper"
+
+#line 4 "printer.go"
+
+		#include <stdint.h>
+	
+#line 1 "cgo-generated-wrapper"
+
+
+/* End of preamble from import "C" comments.  */
+
+
+/* Start of boilerplate cgo prologue.  */
+#line 1 "cgo-gcc-export-header-prolog"
+
+#ifndef GO_CGO_PROLOGUE_H
+#define GO_CGO_PROLOGUE_H
+
+typedef signed char GoInt8;
+typedef unsigned char GoUint8;
+typedef short GoInt16;
+typedef unsigned short GoUint16;
+typedef int GoInt32;
+typedef unsigned int GoUint32;
+typedef long long GoInt64;
+typedef unsigned long long GoUint64;
+typedef GoInt64 GoInt;
+typedef GoUint64 GoUint;
+typedef size_t GoUintptr;
+typedef float GoFloat32;
+typedef double GoFloat64;
+#ifdef _MSC_VER
+#if !defined(__cplusplus) || _MSVC_LANG <= 201402L
+#include <complex.h>
+typedef _Fcomplex GoComplex64;
+typedef _Dcomplex GoComplex128;
+#else
+#include <complex>
+typedef std::complex<float> GoComplex64;
+typedef std::complex<double> GoComplex128;
+#endif
+#else
+typedef float _Complex GoComplex64;
+typedef double _Complex GoComplex128;
+#endif
+
+/*
+  static assertion to make sure the file is being used on architecture
+  at least with matching size of GoInt.
+*/
+typedef char _check_for_64_bit_pointer_matching_GoInt[sizeof(void*)==64/8 ? 1:-1];
+
+#ifndef GO_CGO_GOSTRING_TYPEDEF
+typedef _GoString_ GoString;
+#endif
+typedef void *GoMap;
+typedef void *GoChan;
+typedef struct { void *t; void *v; } GoInterface;
+typedef struct { void *data; GoInt len; GoInt cap; } GoSlice;
+
+#endif
+
+/* End of boilerplate cgo prologue.  */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern char* GenPNG(char* outputPath, char* payload, char* tmpl);
+extern GoInt Sum(GoInt a, GoInt b);
+extern char* PrintImg(char* printer, char* imagePath);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/build_lib.sh b/build_lib.sh
index ca66668..42df23b 100755
--- a/build_lib.sh
+++ b/build_lib.sh
@@ -1,7 +1,9 @@
 #!/bin/bash
 
-export PATH=$HOME/apps/go1.22.12/bin:$PATH
-go version
+APP_NAME="libgofunc"
+VERSION="${1:-v0.1.0}"
+OUTPUT_DIR="assets"
+BUILD_DIR="build"
 
 # need Android NDK
 NDK_HOME="$HOME/Android/Sdk/ndk/28.2.13676358" # <--- CHECK YOUR VERSION
@@ -45,25 +47,29 @@ elif [ "$OS" = "Linux" ]; then
     echo "Building for Android x86_64..."
     CC="$TOOLCHAIN/x86_64-linux-android$API-clang" \
     CGO_ENABLED=1 GOOS=android GOARCH=amd64 \
-    go build -buildmode=c-shared -o ./build/libgofunc_x64.so .
+    go build -buildmode=c-shared -o $OUTPUT_DIR/$VERSION/libgofunc_x64.so .
 
     echo "Building for Android ARM64..."
     CC="$TOOLCHAIN/aarch64-linux-android$API-clang" \
     CGO_ENABLED=1 GOOS=android GOARCH=arm64 \
-    go build -buildmode=c-shared -o ./build/libgofunc_arm64.so .
+    go build -buildmode=c-shared -o $OUTPUT_DIR/$VERSION/libgofunc_arm64.so .
 
     echo "Building for Android ARMv7..."
     CC="$TOOLCHAIN/armv7a-linux-androideabi$API-clang" \
     CGO_ENABLED=1 GOOS=android GOARCH=arm GOARM=7 \
-    go build -buildmode=c-shared -o ./build/libgofunc_armv7a.so .
+    go build -buildmode=c-shared -o $OUTPUT_DIR/$VERSION/libgofunc_armv7a.so .
 
-    cp ./build/libgofunc_x64.so $HOME/ws/forward_pos/native/android/x86_64/libgofunc.so
-    cp ./build/libgofunc_arm64.so $HOME/ws/forward_pos/native/android/arm64-v8a/libgofunc.so
-    cp ./build/libgofunc_armv7a.so $HOME/ws/forward_pos/native/android/armeabi-v7a/libgofunc.so
-    cp ./build/libgofunc_armv7a.so $HOME/ws/forward_pos/native/android/armeabi-v7a/libgofunc.so
+    # cp ./assets/libgofunc_x64.so $HOME/ws/forward_pos/native/android/x86_64/libgofunc.so
+    # cp ./assets/libgofunc_arm64.so $HOME/ws/forward_pos/native/android/arm64-v8a/libgofunc.so
+    # cp ./assets/libgofunc_armv7a.so $HOME/ws/forward_pos/native/android/armeabi-v7a/libgofunc.so
+
+    # ARCHIVE_NAME="${APP_NAME}-${VERSION}.tar.gz"
+    # tar -czf "${OUTPUT_DIR}/${ARCHIVE_NAME}" -C "${BUILD_DIR}" .
 else
     echo "Unsupported OS: $OS"
     exit 1
 fi
 
-echo "Done!"
\ No newline at end of file
+echo "Done!"
+echo "Artifacts:"
+ls -lh "${OUTPUT_DIR}"