fixed paths.

demos/webGpuNativeWasm/index.html

@@ -32,7 +32,7 @@
   <canvas id="gpu-canvas"></canvas>
 
 <script type="module">
-import WasmModule from '/demos/webGpuNativeWasm/wasm_renderer.js';
+import WasmModule from './wasm_renderer.js';
 
 async function main() {
   const canvas = document.getElementById('gpu-canvas');