diff --git a/CHANGELOG.md b/CHANGELOG.md
index d3fea81..40dcb04 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # 更新日志(Changed Logs)
 
+## [3.0.2] 2021-06-30
+- 改用`sass`, 无需全局安装`node-sass`了
+
 ## [3.0.2] 2020-08-03
 - 代码优化
 
diff --git a/README_ZH.md b/README_ZH.md
index 7103e6a..32eb035 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -29,7 +29,7 @@
 
 
 ## 依赖
-> 3.x之后, 弃用libsass,改为node-sass, 但由于vscode的限制, node-sass在拓展里使用全有问题, 所以需要手动全局安装。
+> 3.x之后, 弃用libsass,改为node-sass, 但由于vscode的限制, node-sass在拓展里使用会有问题, 所以需要手动全局安装。
 
 - `node-sass`, 需要手动安装这个模块, 执行`npm i -g node-sass`, 在linux下, 可能需要root权限才可以安装。
 
diff --git a/index.js b/index.js
index 144a25e..452b894 100644
--- a/index.js
+++ b/index.js
@@ -1,41 +1,37 @@
 /**
  *
- * @author yutent<yutent@doui.cc>
+ * @author yutent<yutent.io@gmail.com>
  * @date 2018/11/01 09:37:55
  */
 
-'use strict'
-
 const vsc = require('vscode')
 const path = require('path')
+const scss = require('sass')
 
-const exec = require('child_process').exec
 const fs = require('iofs')
 const postcss = require('postcss')
 const autoprefixer = require('autoprefixer')
 let prefixer
 
-const log = console.log
 const std = vsc.window.createOutputChannel('scss-to-css')
 std.out = function(msg) {
   std.appendLine(msg)
 }
 
-function run(cmd) {
-  return new Promise((yes, no) => {
-    exec(cmd, (err, res) => {
-      if (err) {
-        std.out(err)
-        no(err)
-      } else {
-        yes(res)
-      }
-    })
-  })
-}
-
-const render = function(style, file) {
-  return run(`node-sass --output-style ${style} ${file}`)
+// 编译scss
+function render(style, file) {
+  try {
+    let data = fs.cat(file).toString()
+    return (
+      scss.renderSync({
+        data,
+        outputStyle: style
+      }).css + ''
+    ).trim()
+  } catch (err) {
+    std.out(err)
+    // console.error(err)
+  }
 }
 
 let options = {
@@ -50,19 +46,16 @@ const compileScss = (style, entry, output) => {
     let tmp = output.replace(options.workspace, '.')
     output = path.join(options.outdir, tmp)
   }
-  return render(style, entry)
-    .then(css => {
-      if (options.autoPrefixer) {
-        return prefixer.process(css, { from: '', to: '' }).then(result => {
-          return { css: result.css, output }
-        })
-      } else {
-        return { css, output }
-      }
-    })
-    .catch(err => {
-      std.out(err)
+
+  let css = render(style, entry)
+
+  if (options.autoPrefixer) {
+    return prefixer.process(css, { from: '', to: '' }).then(result => {
+      return { css: result.css, output }
     })
+  } else {
+    return Promise.resolve({ css, output })
+  }
 }
 
 const Compiler = {
diff --git a/package-lock.json b/package-lock.json
index 575503f..b24ad65 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,138 +1,665 @@
 {
-    "name": "scss-to-css",
-    "version": "3.0.2",
-    "lockfileVersion": 1,
-    "requires": true,
-    "dependencies": {
-        "ansi-styles": {
-            "version": "3.2.1",
-            "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
-            "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
-            "requires": {
-                "color-convert": "^1.9.0"
-            }
-        },
-        "autoprefixer": {
-            "version": "9.3.1",
-            "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-9.3.1.tgz",
-            "integrity": "sha512-DY9gOh8z3tnCbJ13JIWaeQsoYncTGdsrgCceBaQSIL4nvdrLxgbRSBPevg2XbX7u4QCSfLheSJEEIUUSlkbx6Q==",
-            "requires": {
-                "browserslist": "^4.3.3",
-                "caniuse-lite": "^1.0.30000898",
-                "normalize-range": "^0.1.2",
-                "num2fraction": "^1.2.2",
-                "postcss": "^7.0.5",
-                "postcss-value-parser": "^3.3.1"
-            }
-        },
-        "browserslist": {
-            "version": "4.3.5",
-            "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.3.5.tgz",
-            "integrity": "sha512-z9ZhGc3d9e/sJ9dIx5NFXkKoaiQTnrvrMsN3R1fGb1tkWWNSz12UewJn9TNxGo1l7J23h0MRaPmk7jfeTZYs1w==",
-            "requires": {
-                "caniuse-lite": "^1.0.30000912",
-                "electron-to-chromium": "^1.3.86",
-                "node-releases": "^1.0.5"
-            }
-        },
-        "caniuse-lite": {
-            "version": "1.0.30000912",
-            "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30000912.tgz",
-            "integrity": "sha512-M3zAtV36U+xw5mMROlTXpAHClmPAor6GPKAMD5Yi7glCB5sbMPFtnQ3rGpk4XqPdUrrTIaVYSJZxREZWNy8QJg=="
-        },
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-            "requires": {
-                "ansi-styles": "^3.2.1",
-                "escape-string-regexp": "^1.0.5",
-                "supports-color": "^5.3.0"
-            }
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-            "requires": {
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-            }
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-            "integrity": "sha512-EV5FZ68Hu+n9fHVhOc9AcG3Lvf+E1YqR36ulJUpwaQTkf4LwdvBqmGIazaIrt4kt6J8Gw3Kv7r9F+PQjAkjWeA=="
-        },
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-        },
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-            "integrity": "sha512-Ky7q0BO1BBkG/rQz6PkEZ59rwo+aSfhczHP1wwq8IowoVdN/FpiP7qp0XW0P2+BVCWe5fQUBozdbVd54q1RbCQ==",
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-            }
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-        },
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-            "integrity": "sha1-b2gragJ6Tp3fpFZM0lidHU5mnt4="
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-            "requires": {
-                "chalk": "^2.4.1",
-                "source-map": "^0.6.1",
-                "supports-color": "^5.5.0"
-            }
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-            "requires": {
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-            }
-        }
+  "name": "scss-to-css",
+  "version": "3.1.0",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "version": "3.1.0",
+      "license": "MIT",
+      "dependencies": {
+        "autoprefixer": "^9.3.1",
+        "iofs": "^1.1.0",
+        "postcss": "^7.0.6",
+        "sass": "^1.35.1"
+      },
+      "devDependencies": {},
+      "engines": {
+        "vscode": "^1.28.0"
+      }
+    },
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+      "dependencies": {
+        "color-convert": "^1.9.0"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
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+        "picomatch": "^2.0.4"
+      },
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+        "node": ">= 8"
+      }
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+        "browserslist": "^4.12.0",
+        "caniuse-lite": "^1.0.30001109",
+        "colorette": "^1.2.1",
+        "normalize-range": "^0.1.2",
+        "num2fraction": "^1.2.2",
+        "postcss": "^7.0.32",
+        "postcss-value-parser": "^4.1.0"
+      },
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+        "autoprefixer": "bin/autoprefixer"
+      },
+      "funding": {
+        "type": "tidelift",
+        "url": "https://tidelift.com/funding/github/npm/autoprefixer"
+      }
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+        "colorette": "^1.2.2",
+        "electron-to-chromium": "^1.3.723",
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+        "node-releases": "^1.1.71"
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+        "browserslist": "cli.js"
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+        "url": "https://opencollective.com/browserslist"
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+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.0.tgz",
+      "integrity": "sha512-lY1Q/PiJGC2zOv/z391WOTD+Z02bCgsFfvxoXXf6h7kv9o+WmsmzYqrAwY63sNgOxE4xEdq0WyUnXfKeBrSvYw=="
+    },
+    "postcss": {
+      "version": "7.0.36",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.36.tgz",
+      "integrity": "sha512-BebJSIUMwJHRH0HAQoxN4u1CN86glsrwsW0q7T+/m44eXOUAxSNdHRkNZPYz5vVUbg17hFgOQDE7fZk7li3pZw==",
+      "requires": {
+        "chalk": "^2.4.2",
+        "source-map": "^0.6.1",
+        "supports-color": "^6.1.0"
+      }
+    },
+    "postcss-value-parser": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/postcss-value-parser/-/postcss-value-parser-4.1.0.tgz",
+      "integrity": "sha512-97DXOFbQJhk71ne5/Mt6cOu6yxsSfM0QGQyl0L25Gca4yGWEGJaig7l7gbCX623VqTBNGLRLaVUCnNkcedlRSQ=="
+    },
+    "readdirp": {
+      "version": "3.6.0",
+      "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-3.6.0.tgz",
+      "integrity": "sha512-hOS089on8RduqdbhvQ5Z37A0ESjsqz6qnRcffsMU3495FuTdqSm+7bhJ29JvIOsBDEEnan5DPu9t3To9VRlMzA==",
+      "requires": {
+        "picomatch": "^2.2.1"
+      }
+    },
+    "sass": {
+      "version": "1.35.1",
+      "resolved": "https://registry.npmjs.org/sass/-/sass-1.35.1.tgz",
+      "integrity": "sha512-oCisuQJstxMcacOPmxLNiLlj4cUyN2+8xJnG7VanRoh2GOLr9RqkvI4AxA4a6LHVg/rsu+PmxXeGhrdSF9jCiQ==",
+      "requires": {
+        "chokidar": ">=3.0.0 <4.0.0"
+      }
+    },
+    "source-map": {
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+      "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g=="
+    },
+    "supports-color": {
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-6.1.0.tgz",
+      "integrity": "sha512-qe1jfm1Mg7Nq/NSh6XE24gPXROEVsWHxC1LIx//XNlD9iw7YZQGjZNjYN7xGaEG6iKdA8EtNFW6R0gjnVXp+wQ==",
+      "requires": {
+        "has-flag": "^3.0.0"
+      }
+    },
+    "to-regex-range": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
+      "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
+      "requires": {
+        "is-number": "^7.0.0"
+      }
+    }
+  }
 }
diff --git a/package.json b/package.json
index bcb54ba..1412785 100644
--- a/package.json
+++ b/package.json
@@ -2,15 +2,19 @@
   "name": "scss-to-css",
   "displayName": "scss-to-css",
   "description": "🔥 The easiest way to compile scss file to css. And autoprefixer at the same time.",
-  "version": "3.0.2",
+  "version": "3.1.0",
   "publisher": "yutent",
   "author": "Yutent [@yutent]",
   "icon": "logo.png",
   "engines": {
     "vscode": "^1.28.0"
   },
-  "categories": ["Other"],
-  "activationEvents": ["*"],
+  "categories": [
+    "Other"
+  ],
+  "activationEvents": [
+    "*"
+  ],
   "main": "./index",
   "contributes": {
     "commands": [
@@ -83,6 +87,7 @@
   "dependencies": {
     "autoprefixer": "^9.3.1",
     "iofs": "^1.1.0",
-    "postcss": "^7.0.6"
+    "postcss": "^7.0.6",
+    "sass": "^1.35.1"
   }
 }
diff --git a/test/.scssrc b/test/.scssrc
index 2a4233d..97a9d74 100644
--- a/test/.scssrc
+++ b/test/.scssrc
@@ -1,4 +1,4 @@
 {
   "browsers": ["ie > 9", "iOS > 8", "Android >= 4.4", "ff > 38", "Chrome > 38"],
-  "outdir": "dist"
+  "outdir": ""
 }
diff --git a/test/demo.css b/test/demo.css
index e69de29..229b2aa 100644
--- a/test/demo.css
+++ b/test/demo.css
@@ -0,0 +1 @@
+ul{display:-webkit-flex;display:-ms-flexbox;display:flex}ul li{-webkit-flex:2;-ms-flex:2;flex:2;color:#fff}
\ No newline at end of file
diff --git a/test/demo.scss b/test/demo.scss
index 5073dce..b3ddc5e 100644
--- a/test/demo.scss
+++ b/test/demo.scss
@@ -1,6 +1,8 @@
 ul {
   display: flex;
 
-  li {flex: 2;color: #fff;}
-
-}
\ No newline at end of file
+  li {
+    flex: 2;
+    color: #fff;
+  }
+}