diff --git a/packages/fes-plugin-watermark/src/runtime/core.js b/packages/fes-plugin-watermark/src/runtime/core.js
index 2cf0472d..fb3a3460 100644
--- a/packages/fes-plugin-watermark/src/runtime/core.js
+++ b/packages/fes-plugin-watermark/src/runtime/core.js
@@ -92,8 +92,8 @@ export function createWatermark({
     user-select: none;
     top: 0;
     left: 0;
-    width: 100vw;
-    height: 100vh;
+    width: 100%;
+    height: 100%;
     z-index: ${zIndex};
     pointer-events: none !important;
     background-repeat: repeat;