diff --git a/CMakeLists.txt b/CMakeLists.txt
index 062abeb..1ee3f9f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,41 +5,52 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
 project(Moer-lite LANGUAGES CXX)
 
+if(MSVC)
+  add_compile_options("/MP")
+  add_compile_options("$<$<C_COMPILER_ID:MSVC>:/utf-8>")
+  add_compile_options("$<$<CXX_COMPILER_ID:MSVC>:/utf-8>")
+endif(MSVC)
+
+if(WIN32)
+  add_definitions(-DUNICODE -D_UNICODE)
+  add_definitions(-DNOMINMAX)
+endif()
+
 set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_SOURCE_DIR}/target/lib)
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_SOURCE_DIR}/target/lib)
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_SOURCE_DIR}/target/bin)
 
 add_subdirectory(./externals)
 
-add_executable(Moer 
-src/main.cpp 
-
-src/CoreLayer/Math/Transform.cpp
-
-src/FunctionLayer/Acceleration/EmbreeBVH.cpp
-src/FunctionLayer/Integrator/NormalIntegrator.cpp
-src/FunctionLayer/Integrator/DirectIntegrator.cpp
-src/FunctionLayer/Camera/Camera.cpp
-src/FunctionLayer/Camera/Pinhole.cpp
-src/FunctionLayer/Scene/Scene.cpp
-src/FunctionLayer/Light/SpotLight.cpp
-src/FunctionLayer/Light/AreaLight.cpp
-src/FunctionLayer/Light/EnvironmentLight.cpp
-src/FunctionLayer/Shape/Shape.cpp
-src/FunctionLayer/Shape/Triangle.cpp
-src/FunctionLayer/Shape/Sphere.cpp
-src/FunctionLayer/Shape/Parallelogram.cpp
-src/FunctionLayer/Texture/NormalTexture.cpp
-src/FunctionLayer/Texture/ImageTexture.cpp
-src/FunctionLayer/Texture/Texture.cpp
-src/FunctionLayer/Texture/Mipmap.cpp
-src/FunctionLayer/Material/Matte.cpp
-src/FunctionLayer/Material/Mirror.cpp
-src/FunctionLayer/Material/Material.cpp
-src/FunctionLayer/Sampler/IndependentSampler.cpp
-src/ResourceLayer/Image.cpp
-src/ResourceLayer/Mesh.cpp
-src/ResourceLayer/FileUtil.cpp
+add_executable(Moer
+  src/main.cpp
+
+  src/CoreLayer/Math/Transform.cpp
+
+  src/FunctionLayer/Acceleration/EmbreeBVH.cpp
+  src/FunctionLayer/Integrator/NormalIntegrator.cpp
+  src/FunctionLayer/Integrator/DirectIntegrator.cpp
+  src/FunctionLayer/Camera/Camera.cpp
+  src/FunctionLayer/Camera/Pinhole.cpp
+  src/FunctionLayer/Scene/Scene.cpp
+  src/FunctionLayer/Light/SpotLight.cpp
+  src/FunctionLayer/Light/AreaLight.cpp
+  src/FunctionLayer/Light/EnvironmentLight.cpp
+  src/FunctionLayer/Shape/Shape.cpp
+  src/FunctionLayer/Shape/Triangle.cpp
+  src/FunctionLayer/Shape/Sphere.cpp
+  src/FunctionLayer/Shape/Parallelogram.cpp
+  src/FunctionLayer/Texture/NormalTexture.cpp
+  src/FunctionLayer/Texture/ImageTexture.cpp
+  src/FunctionLayer/Texture/Texture.cpp
+  src/FunctionLayer/Texture/Mipmap.cpp
+  src/FunctionLayer/Material/Matte.cpp
+  src/FunctionLayer/Material/Mirror.cpp
+  src/FunctionLayer/Material/Material.cpp
+  src/FunctionLayer/Sampler/IndependentSampler.cpp
+  src/ResourceLayer/Image.cpp
+  src/ResourceLayer/Mesh.cpp
+  src/ResourceLayer/FileUtil.cpp
 )
 
 target_include_directories(Moer PUBLIC ./externals)
@@ -47,14 +58,28 @@ target_include_directories(Moer PUBLIC ./src)
 target_include_directories(Moer PUBLIC ./externals/json/include)
 target_include_directories(Moer PUBLIC ./externals/embree/include)
 
-if (WIN32)
-  target_link_directories(Moer PUBLIC ${PROJECT_SOURCE_DIR}/libs/win)
+if(WIN32)
+  set(LIBS_PATH ${PROJECT_SOURCE_DIR}/libs/win)
+  set(EMBREE_DLL ${LIBS_PATH}/embree3.dll ${LIBS_PATH}/tbb12.dll)
 endif()
-if (UNIX AND NOT APPLE)
-  target_link_directories(Moer PUBLIC ${PROJECT_SOURCE_DIR}/libs/linux)
+
+if(UNIX AND NOT APPLE)
+  set(LIBS_PATH ${PROJECT_SOURCE_DIR}/libs/linux)
+  set(EMBREE_DLL ${LIBS_PATH}/libembree3.so.3 ${LIBS_PATH}/libtbb.so.12.2)
 endif()
-if (APPLE)
-  target_link_directories(Moer PUBLIC ${PROJECT_SOURCE_DIR}/libs/macos)
+
+if(APPLE)
+  set(LIBS_PATH ${PROJECT_SOURCE_DIR}/libs/macos)
+  set(EMBREE_DLL ${LIBS_PATH}/libembree3.3.dylib ${LIBS_PATH}/libtbb.12.2.dylib)
 endif()
+
+target_link_directories(Moer PUBLIC ${LIBS_PATH})
 target_link_directories(Moer PUBLIC ${PROJECT_SOURCE_DIR}/target/lib)
-target_link_libraries(Moer embree3 tinyobjloader)
\ No newline at end of file
+
+add_custom_command(TARGET Moer POST_BUILD
+  DEPENDS ${LIBS_PATH}/embree3.dll
+  COMMAND ${CMAKE_COMMAND} -E copy_if_different
+  ${EMBREE_DLL} $<TARGET_FILE_DIR:Moer>)
+
+target_link_libraries(Moer PUBLIC embree3)
+target_link_libraries(Moer PUBLIC tinyobjloader)
\ No newline at end of file
diff --git a/examples/bunny/scene.json b/examples/bunny/scene.json
index b668aa9..1585de7 100644
--- a/examples/bunny/scene.json
+++ b/examples/bunny/scene.json
@@ -1,6 +1,6 @@
 {
   "output" : {
-    "filename" : "bunny-1.hdr"
+    "filename" : "bunny-2.hdr"
   },
   "sampler" : {
     "type" : "independent",
diff --git a/libs/win/embree3.dll b/libs/win/embree3.dll
new file mode 100644
index 0000000..0b42735
Binary files /dev/null and b/libs/win/embree3.dll differ
diff --git a/libs/win/tbb12.dll b/libs/win/tbb12.dll
new file mode 100644
index 0000000..a27b0f0
Binary files /dev/null and b/libs/win/tbb12.dll differ
diff --git a/src/CoreLayer/Math/Constant.h b/src/CoreLayer/Math/Constant.h
index 8402fdf..357cb91 100644
--- a/src/CoreLayer/Math/Constant.h
+++ b/src/CoreLayer/Math/Constant.h
@@ -1,7 +1,12 @@
 #pragma once
+#define _USE_MATH_DEFINES
 #include <cmath>
 #include <limits>
 
+#ifdef FLT_MAX
+#undef FLT_MAX
+#endif // FLT_MAX
+
 constexpr float PI = M_PI;
 constexpr float INV_PI = 1.f / M_PI;
 constexpr float FLT_MAX = std::numeric_limits<float>::max();
diff --git a/src/CoreLayer/Math/Geometry.h b/src/CoreLayer/Math/Geometry.h
index 68699d0..4ed2895 100644
--- a/src/CoreLayer/Math/Geometry.h
+++ b/src/CoreLayer/Math/Geometry.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <algorithm>
 #include <FastMath/FastMath.h>
 #include <FastMath/VecMat.h>
 //* 对于绝大部分图形应用来说，32位的浮点数足以满足计算精度需求且速度更快，故lite版仅支持float
diff --git a/src/main.cpp b/src/main.cpp
index 0b69070..f5fa0dc 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -8,10 +8,22 @@
 #include <ResourceLayer/FileUtil.h>
 #include <ResourceLayer/Image.h>
 #include <ResourceLayer/JsonUtil.h>
+#include <chrono>
 #include <fstream>
 #include <regex>
 #include <stdio.h>
 
+#define PBSTR "||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||"
+#define PBWIDTH 60
+
+inline void printProgress(float percentage) {
+  int val = (int)(percentage * 100);
+  int lpad = (int)(percentage * PBWIDTH);
+  int rpad = PBWIDTH - lpad;
+  printf("\r%3d%% [%.*s%*s]", val, lpad, PBSTR, rpad, "");
+  fflush(stdout);
+}
+
 int main(int argc, char **argv) {
   const std::string sceneDir = std::string(argv[1]);
   FileUtil::setWorkingDirectory(sceneDir);
@@ -24,6 +36,9 @@ int main(int argc, char **argv) {
   auto sampler = Factory::construct_class<Sampler>(json["sampler"]);
   int spp = sampler->xSamples * sampler->ySamples;
   int width = camera->film->size[0], height = camera->film->size[1];
+
+  auto start = std::chrono::system_clock::now();
+
   for (int y = 0; y < height; ++y) {
     for (int x = 0; x < width; ++x) {
       Vector2f NDC{(float)x / width, (float)y / height};
@@ -34,8 +49,21 @@ int main(int argc, char **argv) {
         li += integrator->li(ray, *scene, sampler);
       }
       camera->film->deposit({x, y}, li / spp);
+
+      int finished = x + y * width;
+      if (finished % 5 == 0) {
+        printProgress((float)finished / (height * width));
+      }
     }
   }
+  printProgress(1.f);
+
+  auto end = std::chrono::system_clock::now();
+
+  printf("\nRendering costs %.2fs\n",
+         (std::chrono::duration_cast<std::chrono::milliseconds>(end - start))
+                 .count() /
+             1000.f);
 
   //* 目前支持输出为png/hdr两种格式
   std::string outputName =