body padding: 0;

dashboard-v6/index.html

@@ -6,6 +6,10 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>loading</title>
     <style>
+      body {
+        padding: 0;
+        margin: 0;
+      }
       /* 首次加载的 loading 样式 */
       #app-loading {
         position: fixed;