diff --git a/src/RenderDevice/Vulkan/VKPipeline.cpp b/src/RenderDevice/Vulkan/VKPipeline.cpp
index 7d8d7559..b987ca1c 100644
--- a/src/RenderDevice/Vulkan/VKPipeline.cpp
+++ b/src/RenderDevice/Vulkan/VKPipeline.cpp
@@ -61,6 +61,7 @@ void PipelineCreater::InitDynamicState()
     dynamicState.dynamicStateCount = 0;
     dynamicStateEnables[dynamicState.dynamicStateCount++] = VK_DYNAMIC_STATE_VIEWPORT;
     dynamicStateEnables[dynamicState.dynamicStateCount++] = VK_DYNAMIC_STATE_SCISSOR;
+    dynamicStateEnables[dynamicState.dynamicStateCount++] = VK_DYNAMIC_STATE_LINE_WIDTH;
 
     //如果窗口大小不变，可以不设置这两个。能不能提升效能未知