diff --git a/packages/vant-cli/src/compiler/compile-site.ts b/packages/vant-cli/src/compiler/compile-site.ts
index c3eab7bc8..3b70a2e52 100644
--- a/packages/vant-cli/src/compiler/compile-site.ts
+++ b/packages/vant-cli/src/compiler/compile-site.ts
@@ -58,6 +58,8 @@ export async function compileSite(isProd = false) {
     },
     output: {
       assetPrefix,
+      // make compilation faster
+      disableSourceMap: true,
       distPath: {
         root: vantConfig.build?.site?.outputDir || SITE_DIST_DIR,
       },