diff --git a/src/renderer/gl_engine/tvgGlRenderer.cpp b/src/renderer/gl_engine/tvgGlRenderer.cpp
index e66c9e3f..5305f521 100644
--- a/src/renderer/gl_engine/tvgGlRenderer.cpp
+++ b/src/renderer/gl_engine/tvgGlRenderer.cpp
@@ -300,7 +300,7 @@ void GlRenderer::drawPrimitive(GlShape& sdata, const Fill* fill, RenderUpdateFla
         16 * sizeof(float),
     });
 
-    auto alpha = 1.0f;
+    auto alpha = sdata.opacity / 255.f;
 
     if (flag & RenderUpdateFlag::GradientStroke) {
         auto strokeWidth = sdata.rshape->strokeWidth();