diff --git a/packages/dms-kit/src/utils/FormRule.ts b/packages/dms-kit/src/utils/FormRule.ts
index c892b07294..bd9852bbc8 100644
--- a/packages/dms-kit/src/utils/FormRule.ts
+++ b/packages/dms-kit/src/utils/FormRule.ts
@@ -91,7 +91,7 @@ export const whiteSpaceSqlValidator = (
 ): FormValidatorRule => {
   return (_, values) => {
     const placeholder = '/* input your sql */';
-    if (values === placeholder && enableRule) {
+    if (enableRule && (values === placeholder || !values?.trim())) {
       return Promise.reject(
         i18n.t('common.form.placeholder.input', {
           name: i18n.t('common.sqlStatements')
diff --git a/packages/dms-kit/src/utils/__tests__/FormRule.test.ts b/packages/dms-kit/src/utils/__tests__/FormRule.test.ts
index 63cff590ef..8855649fbe 100644
--- a/packages/dms-kit/src/utils/__tests__/FormRule.test.ts
+++ b/packages/dms-kit/src/utils/__tests__/FormRule.test.ts
@@ -75,6 +75,17 @@ describe('utils/FormRule', () => {
     expect(message).toBe('请输入SQL语句');
   });
 
+  it('should reject whitespace-only sql', async () => {
+    const check = whiteSpaceSqlValidator();
+    let message = '';
+    try {
+      await check?.({} as any, '   ', () => {});
+    } catch (error: any) {
+      message = error;
+    }
+    expect(message).toBe('请输入SQL语句');
+  });
+
   it('should not check white space sql when enableRule is false', async () => {
     const check = whiteSpaceSqlValidator(false);
     let message = '';