diff --git a/tdesign-component/lib/src/components/form/td_form_item.dart b/tdesign-component/lib/src/components/form/td_form_item.dart
index b203a9be4..6d7d72aee 100644
--- a/tdesign-component/lib/src/components/form/td_form_item.dart
+++ b/tdesign-component/lib/src/components/form/td_form_item.dart
@@ -234,7 +234,7 @@ class _TDFormItemState extends State<TDFormItem> {
 
   /// 遍历校验规则并执行
   String? validate() {
-    String? value = widget.formItemNotifier?.formVal;
+    dynamic value = widget.formItemNotifier?.formVal;
     String name = widget.name!;
     if (name == null) {
       return null;
@@ -622,9 +622,9 @@ class _TDFormItemState extends State<TDFormItem> {
 
 class FormItemNotifier with ChangeNotifier {
   bool isDisposed = false;
-  String _formVal = '';
+  dynamic _formVal = '';
 
-  String get formVal => _formVal;
+  dynamic get formVal => _formVal;
 
   upDataForm(val) {
     _formVal = val;
diff --git a/tdesign-component/lib/src/components/form/td_form_validation.dart b/tdesign-component/lib/src/components/form/td_form_validation.dart
index 4be7b8f92..04faf34ca 100644
--- a/tdesign-component/lib/src/components/form/td_form_validation.dart
+++ b/tdesign-component/lib/src/components/form/td_form_validation.dart
@@ -20,7 +20,7 @@ class TDFormValidation {
   final TDFormItemType type;
 
   /// 执行校验逻辑
-  String? check(String? value) {
+  String? check(dynamic value) {
     if (validate(value) != null) {
       return errorMessage;
     }