diff --git a/postcss.config.js b/postcss.config.js
index 56c443a..9d61be8 100644
--- a/postcss.config.js
+++ b/postcss.config.js
@@ -1,18 +1,20 @@
 const path = require('path');
-const unit = require('./src/config/translatedUnit_server');
+// const unit = require('./src/config/translatedUnit_server');
 
 module.exports = ({
   file
 }) => {
   const designWidth = file.dirname.includes(path.join('node_modules', 'vant')) ? 375 : 750;
+  let isVant = file && file.dirname && file.dirname.indexOf("vant") > -1;
+    let rootValue = isVant ? 375 : 750; // 判断条件 请自行调整
   return {
     plugins: {
       autoprefixer: {},
       "postcss-px-to-viewport": {
         unitToConvert: "px",
-        viewportWidth: designWidth,
+        viewportWidth: rootValue,
         propList: ["*"],
-        unitPrecision: 4, // 转换后的精度，即小数点位数
+        unitPrecision: 2, // 转换后的精度，即小数点位数
         viewportUnit: "vw",
         fontViewportUnit: "vw",
         selectorBlackList: [],
@@ -23,12 +25,6 @@ module.exports = ({
         mediaQuery: true,
         exclude: [],
         landscape: false,
-        rules: {
-          path: 'vant',
-          fn(pixels, translated) {
-            return `${translated * 2}${unit.vw}`;
-          },
-        },
       }
     }
   }