diff --git a/public/index.html b/public/index.html
index 4d0f1a4..be37543 100644
--- a/public/index.html
+++ b/public/index.html
@@ -34,7 +34,7 @@
     <div id="root"></div>
     <script defer>
       window.initPageSpy = function () {
-        PageSpy.registerPlugin(new DataHarborPlugin());
+        PageSpy.registerPlugin(new DataHarborPlugin({ maximum: 2 * 1024 * 1024, }));
         window.$pageSpy = new PageSpy({ api: 'page-spy.mycht.cn', project: 'Dashboard', title: window.__spytitle, autoRender: false, });
         // console.log(window.$pageSpy.address.substring(0, 4)); // device ID
       }