diff --git a/src/__tests__/utils.test.ts b/src/__tests__/utils.test.ts
index 469aa3d..ee0ea5b 100644
--- a/src/__tests__/utils.test.ts
+++ b/src/__tests__/utils.test.ts
@@ -32,7 +32,7 @@ it('should wrap string with div', () => {
 
   expect(ret).toBe(
     // eslint-disable-next-line max-len
-    `<div id="__qiankun_microapp_wrapper_for_react_16__" data-name="react16" data-version="${version}" data-sandbox-configuration="{\"speedy\":true}"><qiankun-head></qiankun-head>${tpl}</div>`,
+    `<div id="__qiankun_microapp_wrapper_for_react_16__" data-name="react16" data-version="${version}" data-sandbox-cfg={\"speedy\":true}><qiankun-head></qiankun-head>${tpl}</div>`,
   );
 });
 
diff --git a/src/utils.ts b/src/utils.ts
index 6464aaa..d58e108 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -146,9 +146,9 @@ export function getDefaultTplWrapper(name: string, sandboxOpts: FrameworkConfigu
 
     return `<div id="${getWrapperId(
       name,
-    )}" data-name="${name}" data-version="${version}" data-sandbox-configuration="${JSON.stringify(
+    )}" data-name="${name}" data-version="${version}" data-sandbox-cfg=${JSON.stringify(
       sandboxOpts,
-    )}">${tplWithSimulatedHead}</div>`;
+    )}>${tplWithSimulatedHead}</div>`;
   };
 }