diff --git a/blocksuite/framework/block-std/src/view/element/lit-host.ts b/blocksuite/framework/block-std/src/view/element/lit-host.ts
index d94fc575d8..0f0cf3e310 100644
--- a/blocksuite/framework/block-std/src/view/element/lit-host.ts
+++ b/blocksuite/framework/block-std/src/view/element/lit-host.ts
@@ -58,7 +58,7 @@ export class EditorHost extends SignalWatcher(
     }
 
     const widgetViews = this.std.provider.getAll(WidgetViewIdentifier);
-    const widgets = widgetViews.entries().reduce(
+    const widgets = Array.from(widgetViews.entries()).reduce(
       (mapping, [key, tag]) => {
         const [widgetFlavour, id] = key.split('|');
         if (widgetFlavour === flavour) {