diff --git a/web/static/js/vulnerability.js b/web/static/js/vulnerability.js
index c75473b3..d02b7681 100644
--- a/web/static/js/vulnerability.js
+++ b/web/static/js/vulnerability.js
@@ -131,9 +131,9 @@ async function loadVulnerabilities(page = null) {
             vulnerabilityPagination.total = data.length;
             vulnerabilityPagination.totalPages = Math.max(1, Math.ceil(data.length / vulnerabilityPagination.pageSize));
             console.warn('后端返回的是旧格式（数组），建议更新后端API以支持分页');
-        } else if (data.vulnerabilities) {
-            // 新格式：包含分页信息的对象
-            vulnerabilities = data.vulnerabilities;
+        } else if ('vulnerabilities' in data) {
+            // 新格式：包含分页信息的对象（vulnerabilities可能为null或数组）
+            vulnerabilities = Array.isArray(data.vulnerabilities) ? data.vulnerabilities : [];
             vulnerabilityPagination.total = data.total || 0;
             vulnerabilityPagination.currentPage = data.page || vulnerabilityPagination.currentPage;
             vulnerabilityPagination.pageSize = data.page_size || vulnerabilityPagination.pageSize;