diff --git a/packages/editor/src/classes/model/editor/index.ts b/packages/editor/src/classes/model/editor/index.ts
index a95b6699..dd7f51d5 100644
--- a/packages/editor/src/classes/model/editor/index.ts
+++ b/packages/editor/src/classes/model/editor/index.ts
@@ -32,7 +32,7 @@ class Editor {
   }
 
   isMapLoadded(): boolean {
-    return this.component.isLoaded();
+    return this.component?.isLoaded();
   }
 
   save(minor: boolean): void {