diff --git a/packages/vant-cli/src/compiler/compile-package.ts b/packages/vant-cli/src/compiler/compile-package.ts
index 1da7d1915..4d8d19e38 100644
--- a/packages/vant-cli/src/compiler/compile-package.ts
+++ b/packages/vant-cli/src/compiler/compile-package.ts
@@ -7,7 +7,7 @@ export async function compilePackage(isMinify: boolean) {
 
     webpack(config, (err, stats) => {
       if (err || stats.hasErrors()) {
-        reject();
+        reject(err || stats.toString());
       } else {
         resolve();
       }