diff --git a/src/components/FLVPLayer.astro b/src/components/FLVPLayer.astro
index b7cbae7..60929ee 100644
--- a/src/components/FLVPLayer.astro
+++ b/src/components/FLVPLayer.astro
@@ -68,7 +68,11 @@ const id = `vp_${Math.random().toString(36).slice(2)}`;
                 >🔊</button
             >
         </div>
-        <button id={`${id}_fsbtn`} class="btn" aria-label="Fullscreen">
+        <button
+            id={`${id}_fsbtn`}
+            class="btn wr:text-white"
+            aria-label="Fullscreen"
+        >
             <svg
                 width="20"
                 height="20"