diff --git a/GZCTF/Models/Request/Game/ChallengeDetailModel.cs b/GZCTF/Models/Request/Game/ChallengeDetailModel.cs
index b3ce5603a..93ff5a0dc 100644
--- a/GZCTF/Models/Request/Game/ChallengeDetailModel.cs
+++ b/GZCTF/Models/Request/Game/ChallengeDetailModel.cs
@@ -59,7 +59,7 @@ internal static ChallengeDetailModel FromInstance(Instance instance)
             {
                 InstanceEntry = instance.Container?.Entry,
                 CloseTime = instance.Container?.ExpectStopAt,
-                Url = instance.Challenge.Type.IsDynamic() ?
+                Url = instance.Challenge.Type == ChallengeType.DynamicAttachment ?
                   instance.FlagContext?.Attachment?.UrlWithName(instance.Challenge.FileName) :
                   instance.Challenge.Attachment?.UrlWithName()
             }
diff --git a/GZCTF/Services/K8sService.cs b/GZCTF/Services/K8sService.cs
index 2292bff5e..8deffcced 100644
--- a/GZCTF/Services/K8sService.cs
+++ b/GZCTF/Services/K8sService.cs
@@ -3,8 +3,10 @@
 using CTFServer.Utils;
 using Docker.DotNet.Models;
 using k8s;
+using k8s.Autorest;
 using k8s.Models;
 using Microsoft.Extensions.Options;
+using System.Net;
 using System.Text;
 
 namespace CTFServer.Services;
@@ -47,7 +49,8 @@ public K8sService(ILogger<K8sService> logger)
 
     public async Task<Container?> CreateContainer(ContainerConfig config, CancellationToken token = default)
     {
-        var name = $"{config.Image.Split("/").LastOrDefault()?.Split(":").FirstOrDefault()}-{Codec.StrMD5(config.Flag ?? Guid.NewGuid().ToString())[..16]}";
+        // use uuid avoid Conflict
+        var name = $"{config.Image.Split("/").LastOrDefault()?.Split(":").FirstOrDefault()}-{Guid.NewGuid().ToString("N")[..16]}";
         name = name.Replace('_', '-'); // Ensure name is available
         var pod = new V1Pod("v1", "Pod")
         {
@@ -99,6 +102,12 @@ public K8sService(ILogger<K8sService> logger)
         {
             pod = await kubernetesClient.CreateNamespacedPodAsync(pod, "gzctf", cancellationToken: token);
         }
+        catch(HttpOperationException e)
+        {
+            logger.SystemLog($"容器 {name} 创建失败, 状态：{e.Response.StatusCode.ToString()}", TaskStatus.Fail, LogLevel.Warning);
+            logger.SystemLog($"容器 {name} 创建失败, 响应：{e.Response.Content}", TaskStatus.Fail, LogLevel.Error);
+            return null;
+        }
         catch (Exception e)
         {
             logger.LogError(e, "创建容器失败");
@@ -146,7 +155,7 @@ public K8sService(ILogger<K8sService> logger)
 
         try
         {
-            service = await kubernetesClient.CreateNamespacedServiceAsync(service, "gzctf", cancellationToken: token);
+            service = await kubernetesClient.CoreV1.CreateNamespacedServiceAsync(service, "gzctf", cancellationToken: token);
         }
         catch (Exception e)
         {