diff --git a/client/packages/lowcoder-sdk-webpack-bundle/plugins/JSEntryWebpackPlugin.cjs b/client/packages/lowcoder-sdk-webpack-bundle/plugins/JSEntryWebpackPlugin.cjs
index 9182f332f..b9329eff8 100644
--- a/client/packages/lowcoder-sdk-webpack-bundle/plugins/JSEntryWebpackPlugin.cjs
+++ b/client/packages/lowcoder-sdk-webpack-bundle/plugins/JSEntryWebpackPlugin.cjs
@@ -59,6 +59,7 @@ class JSEntryWebpackPlugin {
         let scripts = ${JSON.stringify(assets.js)};
         for (let i = 0; i < scripts.length; i++) {
           const scriptEle = document.createElement('script');
+          scriptEle.async = false;
           scriptEle.src = scripts[i];
           document.body.appendChild(scriptEle);
         }
diff --git a/client/packages/lowcoder-sdk-webpack-bundle/webpack.config.cjs b/client/packages/lowcoder-sdk-webpack-bundle/webpack.config.cjs
index 02efbc157..67caba2c0 100644
--- a/client/packages/lowcoder-sdk-webpack-bundle/webpack.config.cjs
+++ b/client/packages/lowcoder-sdk-webpack-bundle/webpack.config.cjs
@@ -8,6 +8,7 @@ const JSEntryWebpackPlugin = require('./plugins/JSEntryWebpackPlugin.cjs');
 
 const { buildVars } = require("./src/dev-utils/buildVars.cjs");
 const isVisualizerEnabled = !!process.env.ENABLE_VISUALIZER;
+const sdkPublicPath = process.env.SDK_PUBLIC_PATH || "https://sdk.lowcoder.cloud/";
 
 const define = {};
 buildVars.forEach(({ name, defaultValue }) => {
@@ -95,7 +96,7 @@ module.exports = {
   },
   output: {
     path: path.resolve(__dirname, 'dist'),
-    publicPath: "https://sdk.lowcoder.cloud/",
+    publicPath: sdkPublicPath,
     filename: '[name].bundle.js',
     clean: true,
   },