diff --git a/_posts/sketches/2019-06-08-can.markdown b/_posts/sketches/2019-06-08-can.markdown
index e579978..1251d61 100644
--- a/_posts/sketches/2019-06-08-can.markdown
+++ b/_posts/sketches/2019-06-08-can.markdown
@@ -5,4 +5,4 @@ date:   2019-06-08 18:00 +0800
 categories: toys
 ---
 {%- include model-viewer.html -%}
-<model-viewer src="/assets/CoconutCan_190608_v04.glb" alt="A coconut milk drink can" auto-rotate camera-controls background-color="#111111" style="height: 720px; width: 100%;"></model-viewer>
+<model-viewer src="/assets/CoconutCan_190608_v04.glb" alt="A coconut milk drink can" auto-rotate camera-controls background-color="#111111" style="height: 720px; width: 100%; --poster-color: #000;"></model-viewer>