diff --git a/modules/cms-kit/test/Volo.CmsKit.Application.Tests/Pages/PagePublicAppService_Tests.cs b/modules/cms-kit/test/Volo.CmsKit.Application.Tests/Pages/PagePublicAppService_Tests.cs
index 0eeb3210a9..299ec64213 100644
--- a/modules/cms-kit/test/Volo.CmsKit.Application.Tests/Pages/PagePublicAppService_Tests.cs
+++ b/modules/cms-kit/test/Volo.CmsKit.Application.Tests/Pages/PagePublicAppService_Tests.cs
@@ -33,4 +33,20 @@ public class PagePublicAppService_Tests : CmsKitApplicationTestBase
 
         page.ShouldBeNull();
     }
+
+    [Fact]
+    public async Task DoesSlugExistAsync_ShouldReturnTrue_WhenExist()
+    {
+        var result = await _pageAppService.DoesSlugExistAsync(_data.Page_1_Slug);
+
+        result.ShouldBeTrue();
+    }
+
+    [Fact]
+    public async Task DoesSlugExistAsync_ShouldReturnFalse_WhenExist()
+    {
+        var result = await _pageAppService.DoesSlugExistAsync("not-exist-url");
+
+        result.ShouldBeFalse();
+    }
 }