diff --git a/packages/vant-cli/src/compiler/compile-js.ts b/packages/vant-cli/src/compiler/compile-js.ts
index e8525b368..b5895ee74 100644
--- a/packages/vant-cli/src/compiler/compile-js.ts
+++ b/packages/vant-cli/src/compiler/compile-js.ts
@@ -1,11 +1,25 @@
 // @ts-ignore
-import { transformFileAsync } from '@babel/core';
-import { removeSync, outputFileSync } from 'fs-extra';
+import { transformAsync } from '@babel/core';
+import { readFileSync, removeSync, outputFileSync } from 'fs-extra';
 import { replaceExt } from '../common';
+import { CSS_LANG } from '../common/css';
+
+const IMPORT_STYLE_RE = /import\s+?(?:(?:".*?")|(?:'.*?'))[\s]*?(?:;|$|)/g;
+
+// "import 'a.less';" => "import 'a.css';"
+function replaceStyleImport(code: string) {
+  return code.replace(IMPORT_STYLE_RE, str =>
+    str.replace(`.${CSS_LANG}`, '.css')
+  );
+}
 
 export function compileJs(filePath: string): Promise<undefined> {
   return new Promise((resolve, reject) => {
-    transformFileAsync(filePath)
+    let code = readFileSync(filePath, 'utf-8');
+
+    code = replaceStyleImport(code);
+
+    transformAsync(code, { filename: filePath })
       .then(result => {
         if (result) {
           const jsFilePath = replaceExt(filePath, '.js');