Мелкая поправка

client/components/Reader/LoaderPage/LoaderPage.vue

@@ -60,7 +60,7 @@ class LoaderPage extends Vue {
 
     async submitUrl() {
         if (this.bookUrl) {
-            this.$emit('load-book', this.bookUrl);
+            this.$emit('load-book', {url: this.bookUrl});
         }
     }