diff --git a/packages/vant-cli/src/common/css.ts b/packages/vant-cli/src/common/css.ts
index 6c516bcc4..55378c715 100644
--- a/packages/vant-cli/src/common/css.ts
+++ b/packages/vant-cli/src/common/css.ts
@@ -38,7 +38,7 @@ export function getCssBaseFile() {
 const IMPORT_STYLE_RE = /import\s+?(?:(?:".*?")|(?:'.*?'))[\s]*?(?:;|$|)/g;
 
 // "import 'a.less';" => "import 'a.css';"
-export function replaceCssImportExt(code: string) {
+export function replaceCSSImportExt(code: string) {
   return code.replace(IMPORT_STYLE_RE, (str) =>
     str.replace(`.${CSS_LANG}`, '.css')
   );
diff --git a/packages/vant-cli/src/compiler/compile-js.ts b/packages/vant-cli/src/compiler/compile-js.ts
index b0c30915a..11e349dad 100644
--- a/packages/vant-cli/src/compiler/compile-js.ts
+++ b/packages/vant-cli/src/compiler/compile-js.ts
@@ -1,7 +1,8 @@
+import { sep } from 'path';
 import { transformAsync } from '@babel/core';
 import { readFileSync, removeSync, outputFileSync } from 'fs-extra';
 import { replaceExt } from '../common';
-import { replaceCssImportExt } from '../common/css';
+import { replaceCSSImportExt } from '../common/css';
 import { replaceScriptImportExt } from './get-deps';
 
 export async function compileJs(filePath: string): Promise<void> {
@@ -13,7 +14,9 @@ export async function compileJs(filePath: string): Promise<void> {
 
     let code = readFileSync(filePath, 'utf-8');
 
-    code = replaceCssImportExt(code);
+    if (!filePath.includes(`${sep}style${sep}`)) {
+      code = replaceCSSImportExt(code);
+    }
     code = replaceScriptImportExt(code, '.vue', '');
 
     transformAsync(code, { filename: filePath })