diff --git a/src/renderer/backend/dx/dx_window.cpp b/src/renderer/backend/dx/dx_window.cpp
index 2570231..6b4fb47 100644
--- a/src/renderer/backend/dx/dx_window.cpp
+++ b/src/renderer/backend/dx/dx_window.cpp
@@ -87,9 +87,9 @@ void dx_window::begin_frame() {
     context.draw_rounded_rectangle({ 100, 100 }, { 200, 200 }, { 1, 0, 0, 1 }, radius);
 
     auto height = sin(get_total_time().count()) * 100;
-    context.draw_line({ 600, 600 - height }, { 700, 600 + height }, { 0, 0, 1, 1 }, 0.1);
+    context.draw_line({ 600, 600 - height }, { 700, 600 + height }, { 0, 0, 1, 1 }, 0.5);
 
-    context.draw_texture({0, 0}, test_texture->size(), test_texture);
+    if (test_texture) context.draw_texture({ 0, 0 }, test_texture->size(), test_texture);
 
     context.flush();
 
diff --git a/src/renderer/core/renderer/renderer.cpp b/src/renderer/core/renderer/renderer.cpp
index bf65593..e957018 100644
--- a/src/renderer/core/renderer/renderer.cpp
+++ b/src/renderer/core/renderer/renderer.cpp
@@ -5,6 +5,7 @@
 #include "renderer_texture.h"
 #include "core/window/renderer_window.h"
 #define STB_IMAGE_IMPLEMENTATION
+#define STBI_FAILURE_USERMSG
 #include "stb_image.h"
 
 #if DX_BACKEND
@@ -24,12 +25,12 @@ void renderer::destroy_texture(renderer_texture* texture) { delete texture; }
 
 renderer_texture* renderer::load_image(const std::string& file_path, texture_format in_format) {
     int width, height, channels;
-    auto result = stbi_load(file_path.c_str(), &width, &height, &channels, 0);
+    const auto result = stbi_load(file_path.c_str(), &width, &height, &channels, 0);
     if (!result) {
-        spdlog::critical("Failed to load image: {0}", file_path);
+        const char* reason = stbi_failure_reason();
+        spdlog::critical("加载图片 {0} 失败: {1}", file_path, reason);
         return nullptr;
     }
-
     int target_channel_count = get_format_channel_count(in_format);
     unsigned int row_pitch = 0;