From e489a0023a190b6ef1270d488916b07ea1dc7591 Mon Sep 17 00:00:00 2001
From: Jerry Yan <792602257@qq.com>
Date: Tue, 27 Jan 2026 00:07:33 +0800
Subject: [PATCH] =?UTF-8?q?refactor(annotation):=20=E4=BC=98=E5=8C=96?=
 =?UTF-8?q?=E6=A8=A1=E6=9D=BF=E9=BB=98=E8=AE=A4=E9=80=89=E6=8B=A9=E9=80=BB?=
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- 添加 resolveTemplateTimestamp 函数解析模板时间戳
- 将默认模板选择逻辑从查找内置模板改为选择最新更新的模板
- 使用 reduce 方法实现按时间戳排序的模板选择
- 提高模板选择的准确性和时效性
---
 .../src/pages/DataAnnotation/Create/CreateTask.tsx | 14 +++++++++++++-
 .../components/CreateAnnotationTaskDialog.tsx      | 14 +++++++++++++-
 2 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/frontend/src/pages/DataAnnotation/Create/CreateTask.tsx b/frontend/src/pages/DataAnnotation/Create/CreateTask.tsx
index 81b5348..157e7eb 100644
--- a/frontend/src/pages/DataAnnotation/Create/CreateTask.tsx
+++ b/frontend/src/pages/DataAnnotation/Create/CreateTask.tsx
@@ -34,8 +34,20 @@ const resolveTemplateDataType = (datasetType?: DatasetType) => {
       return undefined;
   }
 };
+const resolveTemplateTimestamp = (template: AnnotationTemplate) => {
+  const timestamp = template.updatedAt || template.createdAt;
+  const parsed = Date.parse(timestamp);
+  return Number.isNaN(parsed) ? 0 : parsed;
+};
 const resolveDefaultTemplate = (items: AnnotationTemplate[]) =>
-  items.find((template) => template.builtIn) || items[0];
+  items.reduce<AnnotationTemplate | undefined>((latest, current) => {
+    if (!latest) {
+      return current;
+    }
+    return resolveTemplateTimestamp(current) > resolveTemplateTimestamp(latest)
+      ? current
+      : latest;
+  }, undefined);
 
 export default function AnnotationTaskCreate() {
   const navigate = useNavigate();
diff --git a/frontend/src/pages/DataAnnotation/Create/components/CreateAnnotationTaskDialog.tsx b/frontend/src/pages/DataAnnotation/Create/components/CreateAnnotationTaskDialog.tsx
index d993971..032e596 100644
--- a/frontend/src/pages/DataAnnotation/Create/components/CreateAnnotationTaskDialog.tsx
+++ b/frontend/src/pages/DataAnnotation/Create/components/CreateAnnotationTaskDialog.tsx
@@ -71,8 +71,20 @@ const resolveTemplateDataType = (datasetType?: DatasetType) => {
       return undefined;
   }
 };
+const resolveTemplateTimestamp = (template: AnnotationTemplate) => {
+  const timestamp = template.updatedAt || template.createdAt;
+  const parsed = Date.parse(timestamp);
+  return Number.isNaN(parsed) ? 0 : parsed;
+};
 const resolveDefaultTemplate = (items: AnnotationTemplate[]) =>
-  items.find((template) => template.builtIn) || items[0];
+  items.reduce<AnnotationTemplate | undefined>((latest, current) => {
+    if (!latest) {
+      return current;
+    }
+    return resolveTemplateTimestamp(current) > resolveTemplateTimestamp(latest)
+      ? current
+      : latest;
+  }, undefined);
 
 export default function CreateAnnotationTask({
   open,