diff --git a/packages/core/client/src/schema-component/antd/variable/Input.tsx b/packages/core/client/src/schema-component/antd/variable/Input.tsx
index 63a217d083..8696d92569 100644
--- a/packages/core/client/src/schema-component/antd/variable/Input.tsx
+++ b/packages/core/client/src/schema-component/antd/variable/Input.tsx
@@ -232,7 +232,7 @@ export function Input(props) {
 
   useEffect(() => {
     const run = async () => {
-      if (!variable || !options.length) {
+      if (!variable || options.length <= 1) {
         return;
       }
       let prevOption: DefaultOptionType = null;
diff --git a/packages/core/client/src/schema-initializer/components/assigned-field/AssignedField.tsx b/packages/core/client/src/schema-initializer/components/assigned-field/AssignedField.tsx
index 39d7f42fbc..ecbc289d38 100644
--- a/packages/core/client/src/schema-initializer/components/assigned-field/AssignedField.tsx
+++ b/packages/core/client/src/schema-initializer/components/assigned-field/AssignedField.tsx
@@ -45,9 +45,9 @@ const InternalField: React.FC = (props) => {
     setFieldProps('title', uiSchema.title);
     setFieldProps('description', uiSchema.description);
     setFieldProps('initialValue', uiSchema.default);
-    if (!field.validator && uiSchema['x-validator']) {
-      field.validator = uiSchema['x-validator'];
-    }
+    // if (!field.validator && uiSchema['x-validator']) {
+    //   field.validator = uiSchema['x-validator'];
+    // }
     if (fieldSchema['x-disabled'] === true) {
       field.disabled = true;
     }