diff --git a/preview/CMakeLists.txt b/preview/CMakeLists.txt
index a676173..1150c51 100644
--- a/preview/CMakeLists.txt
+++ b/preview/CMakeLists.txt
@@ -1,15 +1,9 @@
+add_executable(preview preview.cpp)
+target_link_libraries(preview WebviewCandidateWindow)
+target_include_directories(preview PRIVATE "${PROJECT_SOURCE_DIR}/include")
+
 if(APPLE)
-    add_executable(preview
-        MACOSX_BUNDLE
-        preview.mm
-    )
-    target_link_libraries(preview WebviewCandidateWindow "-framework WebKit" "-framework Cocoa")
-    target_compile_options(preview PRIVATE "-Wno-auto-var-id")
-elseif(LINUX)
-    add_executable(preview preview.cpp)
-    target_link_libraries(preview WebviewCandidateWindow)
+    target_compile_options(preview PRIVATE "-Wno-auto-var-id" "-ObjC++")
 endif()
 
-target_include_directories(preview PRIVATE "${PROJECT_SOURCE_DIR}/include")
-
 add_dependencies(preview GenerateHTML)
diff --git a/preview/preview.cpp b/preview/preview.cpp
index 2025e6a..a959a8e 100644
--- a/preview/preview.cpp
+++ b/preview/preview.cpp
@@ -9,39 +9,42 @@
 #include <iostream>
 #include <thread>
 
+std::unique_ptr<candidate_window::CandidateWindow> candidateWindow;
+
+void doPreview() {
+    candidateWindow = std::make_unique<candidate_window::WebviewCandidateWindow>();
+    candidateWindow->set_select_callback(
+        [](int index) { std::cout << "selected " << index << std::endl; });
+    candidateWindow->set_page_callback([](bool next) {
+        std::cout << (next ? "next" : "prev") << " page" << std::endl;
+    });
+    candidateWindow->set_action_callback([](int index, int id) {
+        std::cout << "action " << id << " on " << index << std::endl;
+    });
+    candidateWindow->set_init_callback([=]() {
+        std::cout << "Window loaded" << std::endl;
+        candidateWindow->set_layout(candidate_window::layout_t::vertical);
+        candidateWindow->set_paging_buttons(true, false, true);
+        candidateWindow->set_candidates(
+            {{"<h1>防注入</h1>", "1", "注释", {{0, "<h1>防注入</h1>"}}},
+             {"候选词", "2", "", {{1, "删词"}, {2, "置顶"}}},
+             {"制\t表\t符\n多 空  格", "2", ""}},
+            0, candidate_window::scroll_state_t::none, false, false);
+        candidateWindow->set_theme(candidate_window::theme_t::light);
+        candidateWindow->show(100, 200);
+    });
+}
+
 int main(int argc, char *argv[]) {
 #ifdef __APPLE__
     @autoreleasepool {
         NSApplication *application = [NSApplication sharedApplication];
-#endif
-        std::unique_ptr<candidate_window::CandidateWindow> candidateWindow =
-            std::make_unique<candidate_window::WebviewCandidateWindow>();
-        candidateWindow->set_select_callback(
-            [](int index) { std::cout << "selected " << index << std::endl; });
-        candidateWindow->set_init_callback(
-            []() { std::cout << "Window loaded" << std::endl; });
-        candidateWindow->set_page_callback([](bool next) {
-            std::cout << (next ? "next" : "prev") << " page" << std::endl;
-        });
-        candidateWindow->set_action_callback([](int index, int id) {
-            std::cout << "action " << id << " on " << index << std::endl;
-        });
-        auto t = std::thread([&] {
-            std::this_thread::sleep_for(std::chrono::seconds(1));
-            candidateWindow->set_layout(candidate_window::layout_t::vertical);
-            candidateWindow->set_paging_buttons(true, false, true);
-            candidateWindow->set_candidates(
-                {{"<h1>防注入</h1>", "1", "注释", {{0, "<h1>防注入</h1>"}}},
-                 {"候选词", "2", "", {{1, "删词"}, {2, "置顶"}}},
-                 {"制\t表\t符\n多 空  格", "2", ""}},
-                0, candidate_window::scroll_state_t::none, false, false);
-            candidateWindow->set_theme(candidate_window::theme_t::light);
-            candidateWindow->show(100, 200);
-        });
-#ifdef __APPLE__
+        doPreview();
         [application run];
     }
 #elif defined(__linux__)
+    gtk_init(&argc, &argv);
+    doPreview()
     gtk_main();
 #endif
     return 0;
diff --git a/preview/preview.mm b/preview/preview.mm
deleted file mode 120000
index e902c64..0000000
--- a/preview/preview.mm
+++ /dev/null
@@ -1 +0,0 @@
-preview.cpp
\ No newline at end of file
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 8d7321f..0734b68 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -14,7 +14,7 @@ add_library(WebviewCandidateWindow ${SOURCES})
 target_include_directories(WebviewCandidateWindow PUBLIC "${PROJECT_SOURCE_DIR}/include" "${PROJECT_SOURCE_DIR}/webview")
 
 if(APPLE)
-    target_link_libraries(WebviewCandidateWindow "-framework WebKit" PkgConfig::NlohmannJson)
+    target_link_libraries(WebviewCandidateWindow PUBLIC "-framework Cocoa" "-framework WebKit" PkgConfig::NlohmannJson)
     target_compile_options(WebviewCandidateWindow PRIVATE "-Wno-auto-var-id")
 elseif(LINUX)
     target_link_libraries(WebviewCandidateWindow PkgConfig::webkit2gtk PkgConfig::NlohmannJson)