diff --git a/public/react/scripts/build.js b/public/react/scripts/build.js
new file mode 100644
index 000000000..ef253aa83
--- /dev/null
+++ b/public/react/scripts/build.js
@@ -0,0 +1,253 @@
+'use strict';
+
+// Do this as the first thing so that any code reading it knows the right env.
+process.env.BABEL_ENV = 'production';
+process.env.NODE_ENV = 'production';
+
+// Makes the script crash on unhandled rejections instead of silently
+// ignoring them. In the future, promise rejections that are not handled will
+// terminate the Node.js process with a non-zero exit code.
+process.on('unhandledRejection', err => {
+  throw err;
+});
+
+// Ensure environment variables are read.
+require('../config/env');
+
+const path = require('path');
+const chalk = require('chalk');
+const fs = require('fs-extra');
+const webpack = require('webpack');
+const config = require('../config/webpack.config.prod');
+const paths = require('../config/paths');
+const checkRequiredFiles = require('react-dev-utils/checkRequiredFiles');
+const formatWebpackMessages = require('react-dev-utils/formatWebpackMessages');
+const printHostingInstructions = require('react-dev-utils/printHostingInstructions');
+const FileSizeReporter = require('react-dev-utils/FileSizeReporter');
+const printBuildError = require('react-dev-utils/printBuildError');
+
+var CombinedStream = require('combined-stream');
+var fs2 = require('fs');
+
+const measureFileSizesBeforeBuild =
+  FileSizeReporter.measureFileSizesBeforeBuild;
+const printFileSizesAfterBuild = FileSizeReporter.printFileSizesAfterBuild;
+const useYarn = fs.existsSync(paths.yarnLockFile);
+
+// These sizes are pretty large. We'll warn for bundles exceeding them.
+const WARN_AFTER_BUNDLE_GZIP_SIZE = 512 * 1024;
+const WARN_AFTER_CHUNK_GZIP_SIZE = 1024 * 1024;
+
+// Warn and crash if required files are missing
+if (!checkRequiredFiles([paths.appHtml, paths.appIndexJs])) {
+  process.exit(1);
+}
+
+function removeExceptGitDir(dir) {
+  // readdirSync
+  const list = fs2.readdirSync(dir)
+    // if (err) return done(err);
+  var pending = list.length;
+  // if (!pending) return done(null, results);
+  list.forEach(function(file) {
+    if (file.indexOf('.git') == -1) {
+      file = path.resolve(dir, file);
+      fs.removeSync(file)
+    }
+  });
+}
+// First, read the current file sizes in build directory.
+// This lets us display how much they changed later.
+measureFileSizesBeforeBuild(paths.appBuild)
+  .then(previousFileSizes => {
+    // Remove all content but keep the directory so that
+    // if you're in it, you don't end up in Trash
+    // fs.emptyDirSync(paths.appBuild);
+    console.log('removeExceptGitDir')
+
+    removeExceptGitDir(paths.appBuild)
+
+    console.log('copyPublicFolder')
+    // Merge with the public folder
+    copyPublicFolder();
+    // Start the webpack build
+    return build(previousFileSizes);
+  })
+  .then(
+    ({ stats, previousFileSizes, warnings }) => {
+      if (warnings.length) {
+        console.log(chalk.yellow('Compiled with warnings.\n'));
+        console.log(warnings.join('\n\n'));
+        console.log(
+          '\nSearch for the ' +
+            chalk.underline(chalk.yellow('keywords')) +
+            ' to learn more about each warning.'
+        );
+        console.log(
+          'To ignore, add ' +
+            chalk.cyan('// eslint-disable-next-line') +
+            ' to the line before.\n'
+        );
+      } else {
+        console.log(chalk.green('Compiled successfully.\n'));
+      }
+
+      console.log('File sizes after gzip:\n');
+      printFileSizesAfterBuild(
+        stats,
+        previousFileSizes,
+        paths.appBuild,
+        WARN_AFTER_BUNDLE_GZIP_SIZE,
+        WARN_AFTER_CHUNK_GZIP_SIZE
+      );
+      console.log();
+
+      const appPackage = require(paths.appPackageJson);
+      const publicUrl = paths.publicUrl;
+      const publicPath = config.output.publicPath;
+      const buildFolder = path.relative(process.cwd(), paths.appBuild);
+      printHostingInstructions(
+        appPackage,
+        publicUrl,
+        publicPath,
+        buildFolder,
+        useYarn
+      );
+    },
+    err => {
+      console.log(chalk.red('Failed to compile.\n'));
+      printBuildError(err);
+      process.exit(1);
+    }
+  );
+
+// Create the production build and print the deployment instructions.
+function build(previousFileSizes) {
+  console.log('Creating an optimized production build...');
+
+  let compiler = webpack(config);
+  return new Promise((resolve, reject) => {
+    compiler.run((err, stats) => {
+      if (err) {
+        return reject(err);
+      }
+      const messages = formatWebpackMessages(stats.toJson({}, true));
+      if (messages.errors.length) {
+        // Only keep the first error. Others are often indicative
+        // of the same problem, but confuse the reader with noise.
+        if (messages.errors.length > 1) {
+          messages.errors.length = 1;
+        }
+        return reject(new Error(messages.errors.join('\n\n')));
+      }
+      if (
+        process.env.CI &&
+        (typeof process.env.CI !== 'string' ||
+          process.env.CI.toLowerCase() !== 'false') &&
+        messages.warnings.length
+      ) {
+        console.log(
+          chalk.yellow(
+            '\nTreating warnings as errors because process.env.CI = true.\n' +
+              'Most CI servers set it automatically.\n'
+          )
+        );
+        return reject(new Error(messages.warnings.join('\n\n')));
+      }
+
+      generateNewIndexJsp();
+
+      return resolve({
+        stats,
+        previousFileSizes,
+        warnings: messages.warnings,
+      });
+    });
+  });
+}
+
+function copyPublicFolder() {
+  fs.copySync(paths.appPublic, paths.appBuild, {
+    dereference: true,
+    filter: file => file !== paths.appHtml,
+  });
+}
+
+// 给build脚本增加的方法，对其生成的index.html做一些文本替换，以及cdn处理
+function generateNewIndexJsp() {
+  // var combinedStream = CombinedStream.create();
+  var filePath = paths.appBuild + '/index.html';
+  // var htmlContent = fs2.createReadStream( filePath )
+
+  // stream没有replace方法
+  // htmlContent = htmlContent.replace('/js/js_min_all.js', '/react/build/js/js_min_all.js')
+  // htmlContent = htmlContent.replace('/css/css_min_all.css', '/react/build/css/css_min_all.css')
+
+  // combinedStream.append(htmlContent);
+  // combinedStream.pipe(fs2.createWriteStream( filePath ));
+
+  var outputPath = paths.appBuild  + '/../../../public/react/build/index.html'
+  fs2.readFile(filePath, 'utf8', function (err,data) {
+    if (err) {
+      return console.log(err);
+    }
+    const newVersion = '1.1.1'
+    let cdnHost = 'https://shixun.educoder.net'
+    cdnHost = 'https://ali-cdn.educoder.net'
+    cdnHost = ''
+
+
+    var mainRegex = /<script type="text\/javascript" src="\/react\/build\/.\/static\/js\/main.([a-zA-Z0-9]{8,}).js"><\/script>/
+    var matchResult = data.match(mainRegex)
+    var code = `
+      <script>
+         (function() {
+            var _host = '/react/build/'
+            /**/
+            if (window.location.host == 'pre-newweb.educoder.net') {
+                _host = 'https://testali-cdn.educoder.net/react/build/'
+            } else if (window.location.host == 'www.educoder.net') {
+                _host = 'https://ali-cdn.educoder.net/react/build/'
+            }
+            
+            document.write('<script type="text/javascript" src="' + _host + 'js/js_min_all.js"><\\/script>');
+            document.write('<script type="text/javascript" src="' + _host + 'js/flv.min.js"><\\/script>');
+            document.write('<script type="text/javascript" src="' + _host + 'static/js/main.${matchResult[1]}.js"><\\/script>');
+         })()
+      </script>
+    `
+    var jsMinAllRegex = /<script type="text\/javascript" src="\/js\/js_min_all.js"><\/script>/
+    // <script type="text/javascript" src="/js/js_min_all.js"></script>
+    var result = data
+        .replace(jsMinAllRegex, code)
+        // .replace('/js/js_min_all.js', `${cdnHost}/react/build/js/js_min_all.js?v=${newVersion}`)
+        // .replace('/js/js_min_all_2.js', `${cdnHost}/react/build/js/js_min_all_2.js?v=${newVersion}`)
+
+        // ${cdnHost}  加了cdn后，这个文件里的字体文件加载会有跨域的报错   ../fonts/fontawesome-webfont.eot
+        // TODO tpi 评测结果关闭也使用了fontawesome
+        .replace('/css/css_min_all.css', `${cdnHost}/react/build/css/css_min_all.css?v=${newVersion}`)
+			  .replace('/css/iconfont.css', `${cdnHost}/react/build/css/iconfont.css?v=${newVersion}`)
+        .replace(/\/js\/create_kindeditor.js/g, `${cdnHost}/react/build/js/create_kindeditor.js?v=${newVersion}`)
+
+        .replace(mainRegex, '')
+        // .replace('/react/build/./static/css/main', `${cdnHost}/react/build/./static/css/main`)
+        // .replace('/react/build/./static/js/main', `${cdnHost}/react/build/./static/js/main`)
+
+        // .replace(/https:\/\/testeduplus2.educoder.net/g, '');
+        // .replace(/http:\/\/testbdweb.educoder.net/g, '');
+
+        // .replace('/css/css_min_all.css', '/react/build/css/css_min_all.css');
+
+    fs2.writeFile(outputPath, result, 'utf8', function (err) {
+       if (err) return console.log(err);
+      //  commitAndPush();
+    });
+  });
+}
+
+function commitAndPush() {
+  var exec = require('child_process').exec;
+  function puts(error, stdout, stderr) { console.log(stdout) }
+  var options = {cwd:"./build"};
+  exec("git status && git commit -am 'b' && git push", options, puts);
+}
\ No newline at end of file