diff --git a/src/Fengling.Activity.Web/Controllers/CampaignsController.cs b/src/Fengling.Activity.Web/Controllers/CampaignsController.cs
index 8396673..57153a9 100644
--- a/src/Fengling.Activity.Web/Controllers/CampaignsController.cs
+++ b/src/Fengling.Activity.Web/Controllers/CampaignsController.cs
@@ -53,7 +53,7 @@ public class CampaignsController : ControllerBase
     [HttpGet("{campaignId:guid}")]
     public async Task<ActionResult<GetCampaignResponse>> GetCampaign(Guid campaignId, CancellationToken cancellationToken)
     {
-        var campaign = await _campaignRepository.GetByIdAsync(CampaignId.FromGuid(campaignId), cancellationToken);
+        var campaign = await _campaignRepository.GetByIdAsync(campaignId, cancellationToken);
         if (campaign == null)
         {
             return NotFound(new { error = "Campaign not found" });
@@ -79,7 +79,7 @@ public class CampaignsController : ControllerBase
     [HttpPost("{campaignId:guid}/publish")]
     public async Task<ActionResult<PublishCampaignResponse>> PublishCampaign(Guid campaignId, CancellationToken cancellationToken)
     {
-        var campaign = await _campaignRepository.GetByIdAsync(CampaignId.FromGuid(campaignId), cancellationToken);
+        var campaign = await _campaignRepository.GetByIdAsync(campaignId, cancellationToken);
         if (campaign == null)
         {
             return NotFound(new { error = "Campaign not found" });