diff --git a/packages/engine/build.plugin.js b/packages/engine/build.plugin.js
index 07b68a383..ee433be05 100644
--- a/packages/engine/build.plugin.js
+++ b/packages/engine/build.plugin.js
@@ -1,8 +1,18 @@
+const { execSync } = require('child_process');
 const TsconfigPathsPlugin = require('tsconfig-paths-webpack-plugin');
-const fse = require('fs-extra');
-// read from lerna
-const lernaConfig = JSON.parse(fse.readFileSync('../../lerna.json', 'utf8'));
-const { version } = lernaConfig;
+
+function getReleaseVersion() {
+  const gitBranchName = execSync('git rev-parse --abbrev-ref HEAD', { encoding: 'utf-8' });
+  const reBranchVersion = /^(?:[\w-]+\/)(\d+\.\d+\.\d+)$/im;
+  const match = reBranchVersion.exec(gitBranchName);
+  if (!match) {
+    throw new Error(`[engine] gitBranchName: ${gitBranchName} is not valid`);
+  }
+
+  return match[1];
+}
+
+const version = getReleaseVersion();
 
 module.exports = ({ context, onGetWebpackConfig }) => {
   onGetWebpackConfig((config) => {
diff --git a/packages/engine/scripts/version.js b/packages/engine/scripts/version.js
deleted file mode 100644
index 016e337c5..000000000
--- a/packages/engine/scripts/version.js
+++ /dev/null
@@ -1,27 +0,0 @@
-/* eslint-disable @typescript-eslint/no-var-requires */
-/* eslint-disable @typescript-eslint/no-require-imports  */
-const { join } = require('path');
-const fse = require('fs-extra');
-// read from lerna
-const lernaConfig = JSON.parse(fse.readFileSync('../../lerna.json', 'utf8'));
-const { version } = lernaConfig;
-
-let releaseVersion = version;
-
-const distDir = join(__dirname, '../dist');
-
-const distFileNames = ['engine-core.js'];
-
-distFileNames.forEach(name => {
-  const distFile = join(distDir, 'js', name);
-  if (!fse.existsSync(distFile)) {
-    console.warn(`[engine] distFile: ${distFile} doesn\'t exist`);
-    return;
-  }
-
-  const indexContent = fse.readFileSync(distFile, 'utf-8');
-
-  fse.writeFileSync(distFile, indexContent.replace('{{VERSION_PLACEHOLDER}}', releaseVersion));
-});
-
-console.log('[engine] update engine version successfully!');