diff --git a/packages/vite-plugin-uni/src/cli/server.ts b/packages/vite-plugin-uni/src/cli/server.ts
index 458683faa0dabced4f1c06ec22d5b51466c80850..0bec3251f722446334031844ed1a5665fe43d0a5 100644
--- a/packages/vite-plugin-uni/src/cli/server.ts
+++ b/packages/vite-plugin-uni/src/cli/server.ts
@@ -117,7 +117,7 @@ export async function createSSRServer(
   const logger = createLogger(options.logLevel)
   const serverOptions = vite.config.server || {}
 
-  let port = options.port || serverOptions.port || 3000
+  let port = options.port || serverOptions.port || 5173
   let hostname: string | undefined
   if (options.host === 'localhost') {
     // Use a secure default