diff --git a/.changeset/loud-teachers-develop.md b/.changeset/loud-teachers-develop.md
new file mode 100644
index 000000000..027cef1c4
--- /dev/null
+++ b/.changeset/loud-teachers-develop.md
@@ -0,0 +1,5 @@
+---
+"qiankun": patch
+---
+
+feat: enable sandbox by default
diff --git a/packages/qiankun/src/core/loadApp.ts b/packages/qiankun/src/core/loadApp.ts
index e4f3c2185..9fed30572 100644
--- a/packages/qiankun/src/core/loadApp.ts
+++ b/packages/qiankun/src/core/loadApp.ts
@@ -35,7 +35,7 @@ export default async function loadApp<T extends ObjectType>(
   };
   const {
     fetch = window.fetch,
-    sandbox,
+    sandbox = true,
     globalContext = window,
     nodeTransformer = defaultNodeTransformer,
     ...restConfiguration