diff --git a/compiler/main.js b/compiler/main.js
index 570b6c0..aa25d1a 100644
--- a/compiler/main.js
+++ b/compiler/main.js
@@ -73,6 +73,7 @@ function loadEntryObj(projectConfig) {
       const jsonString = fs.readFileSync(projectConfig.manifestFilePath).toString();
       manifest = JSON.parse(jsonString);
     } else if (projectConfig.aceModuleJsonPath && fs.existsSync(projectConfig.aceModuleJsonPath)) {
+      process.env.compileMode = 'moduleJson';
       buildManifest(manifest, projectConfig.aceModuleJsonPath);
     } else {
       throw Error('\u001b[31m ERROR: the manifest file ' + projectConfig.manifestFilePath +
diff --git a/compiler/webpack.config.js b/compiler/webpack.config.js
index c7f148a..d9d0cd6 100644
--- a/compiler/webpack.config.js
+++ b/compiler/webpack.config.js
@@ -46,27 +46,6 @@ function initConfig(config) {
       poll: false,
       ignored: /node_modules/
     },
-    optimization: {
-      splitChunks: {
-        chunks(chunk) {
-          return !/^\.\/workers\//.test(chunk.name);
-        },
-        minSize: 0,
-        cacheGroups: {
-          vendors: {
-            test: /[\\/]node_modules[\\/]/,
-            priority: -10,
-            name: "vendors",
-          },
-          commons: {
-            name: 'commons',
-            priority: -20,
-            minChunks: 2,
-            reuseExistingChunk: true
-          }
-        }
-      },
-    },
     output: {
       path: path.resolve(__dirname, projectConfig.buildPath),
       filename: '[name].js',
@@ -213,11 +192,38 @@ function setCopyPluginConfig(config) {
   config.plugins.push(new CopyPlugin({ patterns: copyPluginPattrens }));
 }
 
+function setOptimizationConfig(config) {
+  if (process.env.compileMode !== 'moduleJson') {
+    config.optimization = {
+      splitChunks: {
+        chunks(chunk) {
+          return !/^\.\/workers\//.test(chunk.name);
+        },
+        minSize: 0,
+        cacheGroups: {
+          vendors: {
+            test: /[\\/]node_modules[\\/]/,
+            priority: -10,
+            name: "vendors",
+          },
+          commons: {
+            name: 'commons',
+            priority: -20,
+            minChunks: 2,
+            reuseExistingChunk: true
+          }
+        }
+      }
+    }
+  }
+}
+
 module.exports = (env, argv) => {
   const config = {};
   setProjectConfig(env);
   loadEntryObj(projectConfig);
   initConfig(config);
+  setOptimizationConfig(config);
   setCopyPluginConfig(config);
 
   if (env.isPreview !== "true") {