diff --git a/dlfnext-20250310/alibabacloud_dlfnext20250310/models.py b/dlfnext-20250310/alibabacloud_dlfnext20250310/models.py
index 16c53d40b..ffbd0aca5 100644
--- a/dlfnext-20250310/alibabacloud_dlfnext20250310/models.py
+++ b/dlfnext-20250310/alibabacloud_dlfnext20250310/models.py
@@ -349,7 +349,7 @@ class FullDataType(TeaModel):
     def __init__(
         self,
         element: 'FullDataType' = None,
-        fields: List[DataField] = None,
+        fields: List['DataField'] = None,
         key: 'FullDataType' = None,
         type: str = None,
         value: 'FullDataType' = None,