修复错误

modules/previewPageList/PreviewPageList.vue

@@ -96,7 +96,7 @@ module.exports = {
                 });
             }).catch((err) => {
                 contentLoading.value = false;
-                errorMessage.value = mw.msg('isekai-preview-page-list-load-error', selectedPageInfo.value.title);
+                errorMessage.value = mw.msg('isekai-preview-page-list-load-error', err.message);
                 console.error(err);
             });
         }

modules/previewPageList/ext.isekai.previewPageList.js

@@ -59,7 +59,7 @@ class BasePageListLoader {
             }).catch((error) => {
                 if (error instanceof TypeError) {
                     error = new Error(mw.message('isekai-preview-page-list-load-error-parse').parse());
-                } else if (error instanceof FetchError)
+                }
                 reject(error);
             });
         });