diff --git a/src/zotero_kb/templates/index.html b/src/zotero_kb/templates/index.html
index e7ceef8..c85faed 100644
--- a/src/zotero_kb/templates/index.html
+++ b/src/zotero_kb/templates/index.html
@@ -389,18 +389,6 @@
         projectForm: document.getElementById("create-project-form"),
         projectStatus: document.getElementById("project-status"),
         projectList: document.getElementById("project-list"),
-        importModal: document.getElementById("import-modal"),
-        importModalOverlay: document.getElementById("import-modal-overlay"),
-        openImportModalButton: document.getElementById("open-import-modal-button"),
-        closeImportModalButton: document.getElementById("close-import-modal-button"),
-        importModalProjectLabel: document.getElementById("import-modal-project-label"),
-        modalSelectedCount: document.getElementById("modal-selected-count"),
-        modalCollectionTree: document.getElementById("modal-collection-tree"),
-        modalCollectionItems: document.getElementById("modal-collection-items"),
-        modalSelectDescendantsButton: document.getElementById("modal-select-descendants-button"),
-        modalClearSelectionButton: document.getElementById("modal-clear-selection-button"),
-        modalImportSelectedItemsButton: document.getElementById("modal-import-selected-items-button"),
-        previewPopover: document.getElementById("item-preview-popover"),
         currentProjectLabel: document.getElementById("current-project-label"),
         cardList: document.getElementById("card-list"),
         cardDetail: document.getElementById("card-detail"),
@@ -601,8 +589,9 @@
             method: "POST",
             body: JSON.stringify({ prompt }),
           });
-          setStatus(elements.recommendStatus, `返回 ${payload.results.length} 条候选引用。`);
-          renderRecommendationResults(payload.results || []);
+          const results = Array.isArray(payload.results) ? payload.results : [];
+          setStatus(elements.recommendStatus, `返回 ${results.length} 条候选引用。`);
+          renderRecommendationResults(results);
         } catch (error) {
           setStatus(elements.recommendStatus, error.message, true);
         }
@@ -620,8 +609,9 @@
             method: "POST",
             body: JSON.stringify({ prompt }),
           });
-          setStatus(elements.planStatus, `生成 ${payload.sections.length} 个方案段落。`);
-          renderPlanResults(payload.sections || []);
+          const sections = Array.isArray(payload.sections) ? payload.sections : [];
+          setStatus(elements.planStatus, `生成 ${sections.length} 个方案段落。`);
+          renderPlanResults(sections);
         } catch (error) {
           setStatus(elements.planStatus, error.message, true);
         }