diff --git a/samples/api/texture_loading/CMakeLists.txt b/samples/api/texture_loading/CMakeLists.txt
index 2403f27..4d057b4 100644
--- a/samples/api/texture_loading/CMakeLists.txt
+++ b/samples/api/texture_loading/CMakeLists.txt
@@ -34,6 +34,8 @@ add_sample_with_tags(
         "texture_loading/glsl/pointcloud.frag"
         "texture_loading/glsl/point_line.vert"
         "texture_loading/glsl/point_line.frag"
+        "texture_loading/glsl/point_line_solid.vert"
+        "texture_loading/glsl/point_line_solid.frag"
     SHADER_FILES_HLSL
         "texture_loading/hlsl/texture.vert.hlsl"
         "texture_loading/hlsl/texture.frag.hlsl")
\ No newline at end of file
diff --git a/samples/api/texture_loading/texture_loading.cpp b/samples/api/texture_loading/texture_loading.cpp
index 72a9aae..7405395 100644
--- a/samples/api/texture_loading/texture_loading.cpp
+++ b/samples/api/texture_loading/texture_loading.cpp
@@ -1312,7 +1312,7 @@ void TextureLoading::prepare_pipeline_point_line()
 	// 顶点输入绑定描述 (告诉 Vulkan 顶点数据的格式)
 	VkVertexInputBindingDescription vertex_input_binding_description{};
 	vertex_input_binding_description.binding = 0; // 绑定点
-	vertex_input_binding_description.stride = sizeof(PointVertex); // 每个顶点的字节大小
+	vertex_input_binding_description.stride = sizeof(LineVertex); // 每个顶点的字节大小
 	vertex_input_binding_description.inputRate = VK_VERTEX_INPUT_RATE_VERTEX;
 
 	// 顶点输入属性描述 (告诉 Vulkan 每个属性在顶点结构中的位置)
@@ -1321,12 +1321,12 @@ void TextureLoading::prepare_pipeline_point_line()
 	//	VkVertexInputAttributeDescription{1, 0, VK_FORMAT_R32G32B32_SFLOAT, offsetof(PointVertex, r)}  // 颜色
 	//};
 
-	std::array<VkVertexInputAttributeDescription, 5> vertex_input_attributes{};
+	std::array<VkVertexInputAttributeDescription, 4> vertex_input_attributes{};
 
 	vertex_input_attributes[0] = { 0, 0, VK_FORMAT_R32G32B32_SFLOAT, offsetof(LineVertex, position) };
-	vertex_input_attributes[1] = { 1, 1, VK_FORMAT_R32G32B32_SFLOAT, offsetof(LineVertex, color) };
-	vertex_input_attributes[2] = { 2, 2, VK_FORMAT_R32G32B32_SFLOAT, offsetof(LineVertex, lineStart) };
-	vertex_input_attributes[3] = { 3, 3, VK_FORMAT_R32G32B32_SFLOAT, offsetof(LineVertex, lineEnd) };
+	vertex_input_attributes[1] = { 1, 0, VK_FORMAT_R32G32B32_SFLOAT, offsetof(LineVertex, color) };
+	vertex_input_attributes[2] = { 2, 0, VK_FORMAT_R32G32B32_SFLOAT, offsetof(LineVertex, lineStart) };
+	vertex_input_attributes[3] = { 3, 0, VK_FORMAT_R32G32B32_SFLOAT, offsetof(LineVertex, lineEnd) };
 
 	VkPipelineVertexInputStateCreateInfo vertex_input_state{ VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO };
 	vertex_input_state.vertexBindingDescriptionCount = 1;
@@ -1381,8 +1381,10 @@ void TextureLoading::prepare_pipeline_point_line()
 
 	// 加载着色器
 	std::array<VkPipelineShaderStageCreateInfo, 2> shader_stages;
-	shader_stages[0] = load_shader("texture_loading", "point_line.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
-	shader_stages[1] = load_shader("texture_loading", "point_line.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
+	//shader_stages[0] = load_shader("texture_loading", "point_line.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
+	//shader_stages[1] = load_shader("texture_loading", "point_line.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
+	shader_stages[0] = load_shader("texture_loading", "point_line_solid.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
+	shader_stages[1] = load_shader("texture_loading", "point_line_solid.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
 
 	// 创建图形管线
 	VkGraphicsPipelineCreateInfo pipeline_create_info{ VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO };