diff --git a/src/base/ui.hpp b/src/base/ui.hpp
index 80cd76f..a31ba72 100644
--- a/src/base/ui.hpp
+++ b/src/base/ui.hpp
@@ -50,24 +50,15 @@ public:
 			Font texture loading
 		*/
 		ImGuiIO& io = ImGui::GetIO();
+
+		/// enable keyborad and gamepad input
+		io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;
+		io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad;
+
 		unsigned char* fontData;
 		int texWidth, texHeight;
-
-#if defined(__ANDROID__)
-		float scale = (float)vks::android::screenDensity / (float)ACONFIGURATION_DENSITY_MEDIUM;
-		AAsset* asset = AAssetManager_open(androidApp->activity->assetManager, "Roboto-Medium.ttf", AASSET_MODE_STREAMING);
-		assert(asset);
-		size_t size = AAsset_getLength(asset);
-		assert(size > 0);
-		char *fontAsset = new char[size];
-		AAsset_read(asset, fontAsset, size);
-		AAsset_close(asset);
-		io.Fonts->AddFontFromMemoryTTF(fontAsset, size, 14.0f * scale);
-		delete[] fontAsset;
-#else
 		std::string ttfFilePath = getAssetPath() + "/STXINWEI.TTF";
 		io.Fonts->AddFontFromFileTTF(ttfFilePath.data(), 16.0f,NULL, io.Fonts->GetGlyphRangesChineseSimplifiedCommon());
-#endif
 		io.Fonts->GetTexDataAsRGBA32(&fontData, &texWidth, &texHeight);
 		fontTexture.loadFromBuffer(fontData, texWidth * texHeight * 4 * sizeof(char), VK_FORMAT_R8G8B8A8_UNORM, texWidth, texHeight, vulkanDevice, queue);
 
diff --git a/src/render/render.cpp b/src/render/render.cpp
index 0e3fd63..2d4f363 100644
--- a/src/render/render.cpp
+++ b/src/render/render.cpp
@@ -2080,12 +2080,11 @@ PlumageRender::PlumageRender()
 		bool updateShaderParams = false;
 		bool updateCBs = false;
 		float scale = 1.0f;
-		bool boolTitleWindowShow = false;
 		ImGui::NewFrame();
 
 		ImGui::SetNextWindowPos(ImVec2(10000, 10000));
 		//ImGui::SetNextWindowSize(ImVec2(200 * scale, (models.scene.animations.size() > 0 ? 440 : 360) * scale), ImGuiSetCond_Always);
-		ImGui::Begin("", nullptr, ImGuiWindowFlags_NoFocusOnAppearing|ImGuiWindowFlags_AlwaysAutoResize|ImGuiWindowFlags_NoBringToFrontOnFocus);
+		ImGui::Begin(title.c_str(), nullptr, ImGuiWindowFlags_NoFocusOnAppearing | ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoBringToFrontOnFocus);
 		
 		ImGui::PushItemWidth(100.0f * scale);
 
@@ -2116,6 +2115,7 @@ PlumageRender::PlumageRender()
 					if (!filename.empty()) {
 						vkDeviceWaitIdle(device);
 						std::wstring_convert<std::codecvt_utf8<wchar_t>> converter;
+						
 						std::string stringFilename = converter.to_bytes(filename);
 						loadScene(stringFilename);
 						setupDescriptors();