diff --git a/src/index.js b/src/index.js
index 264041b..4540774 100644
--- a/src/index.js
+++ b/src/index.js
@@ -13,6 +13,7 @@ const defaultOpts = {
   replace: true,
   mediaQuery: false,
   minPixelValue: 0,
+  selectorDoubleRemList: [],
 };
 
 const toFixed = (number, precision) => {
@@ -23,15 +24,15 @@ const toFixed = (number, precision) => {
 };
 const isObject = o => typeof o === 'object' && o !== null;
 
-const createPxReplace = (rootValue, identifier, unitPrecision, minPixelValue) => (m, $1, $2) => {
+const createPxReplace = (rootValue, identifier, unitPrecision, minPixelValue) => (m, $1, $2, doubleRem) => {
   if (!$1) return m;
   if (identifier && m.indexOf(identifier) === 0) return m.replace(identifier, '');
   const pixels = parseFloat($1);
   if (pixels < minPixelValue) return m;
   // { px: 100, rpx: 50 }
   const baseValue = isObject(rootValue) ? rootValue[$2] : rootValue;
-  const fixedVal = toFixed((pixels / baseValue), unitPrecision);
-
+  const double = doubleRem === true ? 2 : 1;
+  const fixedVal = toFixed((pixels * double / baseValue), unitPrecision);
   return `${fixedVal}rem`;
 };
 
@@ -100,8 +101,8 @@ export default postcss.plugin('postcss-plugin-px2rem', options => {
       if (opts.propWhiteList.length && opts.propWhiteList.indexOf(_decl.prop) === -1) return;
       // 5th check seletor black list
       if (blacklistedSelector(opts.selectorBlackList, _decl.parent.selector)) return;
-
-      const value = _decl.value.replace(pxRegex, pxReplace);
+      const doubleRem = blacklistedSelector(opts.selectorDoubleRemList, _decl.parent.selector);
+      const value = _decl.value.replace(pxRegex, (m, $1, $2) => pxReplace(m, $1, $2, doubleRem));
 
       // if rem unit already exists, do not add or replace
       if (declarationExists(_decl.parent, _decl.prop, value)) return;
diff --git a/test/index-test.js b/test/index-test.js
index c25f4df..5916b80 100644
--- a/test/index-test.js
+++ b/test/index-test.js
@@ -5,6 +5,16 @@ import pxtorem from '../src/';
 const basicCSS = '.rule { font-size: 15px }';
 
 describe('px2rem', () => {
+  it('px to 2*rem,if .ant-*', () => {
+    const input = '.ant-abc { margin: 0 0 20px 20px; font-size: 32px; line-height: 1.2; letter-spacing: 1px; }';
+    const output = '.ant-abc { margin: 0 0 0.4rem 0.4rem; font-size: 0.64rem; line-height: 1.2; letter-spacing: 0.02rem; }';
+    const processed = postcss(pxtorem({
+      selectorDoubleRemList: [/.ant-/],
+    })).process(input).css;
+
+    expect(processed).toBe(output);
+  });
+
   it('should work on the readme example', () => {
     const input = 'h1 { margin: 0 0 20px 20px; font-size: 32px; line-height: 1.2; letter-spacing: 1px; }';
     const output = 'h1 { margin: 0 0 0.2rem 0.2rem; font-size: 0.32rem; line-height: 1.2; letter-spacing: 0.01rem; }';