diff --git a/packages/screen/vite.config.js b/packages/screen/vite.config.js
index 45298ce..95076e5 100644
--- a/packages/screen/vite.config.js
+++ b/packages/screen/vite.config.js
@@ -55,7 +55,7 @@ export default defineConfig(({ command, mode }) => {
         DEFAULT_BUILD_BASE
       : '/'
   const resolvedBase =
-    process.env.NODE_ENV === 'production' ? normalizeBasePath(baseCandidate) : '/'
+    command === 'build' ? normalizeBasePath(baseCandidate) : '/'
   const cesiumBaseUrl = resolvedBase === '/' ? '/cesium' : `${resolvedBase}cesium`
 
   return {