diff --git a/packages/frontend/core/.webpack/config.ts b/packages/frontend/core/.webpack/config.ts
index 4432eb69b5..42fb5acace 100644
--- a/packages/frontend/core/.webpack/config.ts
+++ b/packages/frontend/core/.webpack/config.ts
@@ -242,6 +242,12 @@ export const createConfiguration: (
             fullySpecified: false,
           },
         },
+        {
+          test: /\.js$/,
+          enforce: 'pre',
+          include: /@blocksuite/,
+          use: ['source-map-loader'],
+        },
         {
           oneOf: [
             {