diff --git a/frontend/src/pages/DataAnnotation/Create/components/CreateAnnotationTaskDialog.tsx b/frontend/src/pages/DataAnnotation/Create/components/CreateAnnotationTaskDialog.tsx
index 032e596..2107475 100644
--- a/frontend/src/pages/DataAnnotation/Create/components/CreateAnnotationTaskDialog.tsx
+++ b/frontend/src/pages/DataAnnotation/Create/components/CreateAnnotationTaskDialog.tsx
@@ -156,7 +156,7 @@ export default function CreateAnnotationTask({
     try {
       const templateResponse = await queryAnnotationTemplatesUsingGet({
         page: 1,
-        size: 200,
+        size: 100,  // Backend max is 100 (template API uses 'size' not 'pageSize')
         dataType,
       });