diff --git a/packages/core/client/src/schema-settings/VariableInput/hooks/useFormVariable.ts b/packages/core/client/src/schema-settings/VariableInput/hooks/useFormVariable.ts
index 00ba7de2c2..95b7573f32 100644
--- a/packages/core/client/src/schema-settings/VariableInput/hooks/useFormVariable.ts
+++ b/packages/core/client/src/schema-settings/VariableInput/hooks/useFormVariable.ts
@@ -1,7 +1,7 @@
 import { useMemo } from 'react';
+import { useTranslation } from 'react-i18next';
 import { useCompile, useGetFilterOptions } from '../../../schema-component';
 import { FieldOption, Option } from '../type';
-import { useTranslation } from 'react-i18next';
 
 interface GetOptionsParams {
   depth: number;
@@ -27,7 +27,7 @@ const getChildren = (
           label: compile(option.title),
           depth,
           // TODO: 现在是通过组件的名称来过滤能够被选择的选项，这样的坏处是不够精确，后续可以优化
-          disabled: schema?.['x-component'] !== option.schema?.['x-component'],
+          disabled: schema && schema?.['x-component'] !== option.schema?.['x-component'],
         };
       }