diff --git a/commitlint.config.cjs b/commitlint.config.cjs
index 5b934f5..662ab4b 100644
--- a/commitlint.config.cjs
+++ b/commitlint.config.cjs
@@ -1,3 +1,3 @@
 module.exports = {
-  extends: ["@minko-fe"]
+  extends: ['@minko-fe'],
 }
diff --git a/package.json b/package.json
index 256fb0d..c16daab 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,6 @@
   "author": "hemengke1997 <https://github.com/hemengke1997>",
   "license": "MIT",
   "dependencies": {
-    "@stdlib/regexp-regexp": "^0.0.8",
     "query-string": "^7.1.1"
   },
   "devDependencies": {
diff --git a/src/utils.ts b/src/utils.ts
index 4cd0aa2..7906dd0 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -1,11 +1,14 @@
 import type { AtRule, ChildNode, Comment, Container, Declaration, Rule, Warning as postcssWarning } from 'postcss'
 import queryString from 'query-string'
-import reRegExp from '@stdlib/regexp-regexp'
 import { maybeRegExpList } from './constant'
 import { filterPropList } from './filter-prop-list'
 import type { PxtoremOptions } from '.'
 import { defaultOptions } from '.'
 
+function reRegExp() {
+  return /^\/((?:\\\/|[^\/])+)\/([imgy]*)$/
+}
+
 export function initOptions(options?: PxtoremOptions) {
   return Object.assign({}, defaultOptions, options)
 }