diff --git a/Entity/System/Club.cs b/Entity/System/Club.cs
index e9654c1..e47e0ff 100644
--- a/Entity/System/Club.cs
+++ b/Entity/System/Club.cs
@@ -4,6 +4,7 @@ namespace Milimoe.FunGame.Core.Entity
 {
     public class Club : BaseEntity
     {
+        public DateTime CreateTime { get;set; } = DateTime.Now;
         public string Prefix { get; set; } = "";
         public string Description { get; set; } = "";
         public bool IsNeedApproval { get; set; } = false;
diff --git a/Library/Common/JsonConverter/ClubConverter.cs b/Library/Common/JsonConverter/ClubConverter.cs
index 31869eb..c37e7eb 100644
--- a/Library/Common/JsonConverter/ClubConverter.cs
+++ b/Library/Common/JsonConverter/ClubConverter.cs
@@ -2,6 +2,7 @@
 using Milimoe.FunGame.Core.Api.Utility;
 using Milimoe.FunGame.Core.Entity;
 using Milimoe.FunGame.Core.Library.Common.Architecture;
+using Milimoe.FunGame.Core.Library.Constant;
 
 namespace Milimoe.FunGame.Core.Library.Common.JsonConverter
 {
@@ -25,6 +26,13 @@ namespace Milimoe.FunGame.Core.Library.Common.JsonConverter
                 case nameof(Club.Name):
                     result.Name = reader.GetString() ?? "";
                     break;
+                case nameof(Club.CreateTime):
+                    string createTime = reader.GetString() ?? "";
+                    if (DateTime.TryParseExact(createTime, General.GeneralDateTimeFormat, null, System.Globalization.DateTimeStyles.None, out DateTime CreateTime))
+                    {
+                        result.CreateTime = CreateTime;
+                    }
+                    break;
                 case nameof(Club.Prefix):
                     result.Prefix = reader.GetString() ?? "";
                     break;
@@ -90,6 +98,7 @@ namespace Milimoe.FunGame.Core.Library.Common.JsonConverter
             writer.WritePropertyName(nameof(Club.Guid));
             JsonSerializer.Serialize(writer, value.Guid, options);
             writer.WriteString(nameof(Club.Name), value.Name);
+            writer.WriteString(nameof(Club.CreateTime), value.CreateTime);
             writer.WriteString(nameof(Club.Prefix), value.Prefix);
             writer.WriteString(nameof(Club.Description), value.Description);
             writer.WriteBoolean(nameof(Club.IsPublic), value.IsPublic);