diff --git a/IRaCIS.Core.API/Progranm.cs b/IRaCIS.Core.API/Progranm.cs
index 0b3bfd77b..fbbab47e5 100644
--- a/IRaCIS.Core.API/Progranm.cs
+++ b/IRaCIS.Core.API/Progranm.cs
@@ -109,7 +109,7 @@ builder.Services.AddControllers(options =>
     }
 
 })
-    .AddNewtonsoftJsonSetup(); // NewtonsoftJson 序列化  处理
+    .AddNewtonsoftJsonSetup(builder.Services); // NewtonsoftJson 序列化  处理
 
 builder.Services.AddOptions().Configure<SystemEmailSendConfig>(_configuration.GetSection("SystemEmailSendConfig"));
 builder.Services.AddOptions().Configure<ServiceVerifyConfigOption>(_configuration.GetSection("BasicSystemConfig"));
diff --git a/IRaCIS.Core.API/_ServiceExtensions/NewtonsoftJson/JSONCustomDateConverter.cs b/IRaCIS.Core.API/_ServiceExtensions/NewtonsoftJson/JSONCustomDateConverter.cs
index 15b7fa505..388f7053a 100644
--- a/IRaCIS.Core.API/_ServiceExtensions/NewtonsoftJson/JSONCustomDateConverter.cs
+++ b/IRaCIS.Core.API/_ServiceExtensions/NewtonsoftJson/JSONCustomDateConverter.cs
@@ -19,27 +19,51 @@ namespace IRaCIS.Core.API
             _userInfo = userInfo;
         }
 
+        private static readonly TimeZoneInfo ChinaTimeZone = TimeZoneInfo.FindSystemTimeZoneById("Asia/Shanghai");
+
         public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
         {
-            throw new NotImplementedException();
+
+
+            if (reader.ValueType == typeof(DateTime))
+            {
+                DateTime dateTime = (DateTime)reader.Value;
+
+                var zoneTime = TimeZoneInfo.ConvertTime(dateTime, ChinaTimeZone);
+
+                return zoneTime;
+            }
+            else
+            {
+                return reader.Value;
+            }
+
         }
 
         public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
         {
             var timeZoneId = _userInfo.TimeZoneId;
 
-            var needConvertUtcDateTime = Convert.ToDateTime(value);
+            //var needConvertUtcDateTime = Convert.ToDateTime(value);
 
 
-            var tz = TimeZoneInfo.FindSystemTimeZoneById(timeZoneId);
+            //var tz = TimeZoneInfo.FindSystemTimeZoneById(timeZoneId);
 
 
-            var dateTimeOffset = new DateTimeOffset(needConvertUtcDateTime);
+            //var dateTimeOffset = new DateTimeOffset(needConvertUtcDateTime);
 
-            var time = TimeZoneInfo.ConvertTimeFromUtc(needConvertUtcDateTime, tz).ToString(_dateFormat);
+            //var time = TimeZoneInfo.ConvertTimeFromUtc(needConvertUtcDateTime, tz).ToString(_dateFormat);
+
+            //writer.WriteValue(time);
+            //writer.Flush();
+
+
+            if (value is DateTime dateTime)
+            {
+                DateTime chinaTime = TimeZoneInfo.ConvertTime(dateTime, ChinaTimeZone);
+                writer.WriteValue(chinaTime);
+            }
 
-            writer.WriteValue(time);
-            writer.Flush();
         }
 
     }
diff --git a/IRaCIS.Core.API/_ServiceExtensions/NewtonsoftJson/NewtonsoftJsonSetup.cs b/IRaCIS.Core.API/_ServiceExtensions/NewtonsoftJson/NewtonsoftJsonSetup.cs
index 438e180b4..df8aad91f 100644
--- a/IRaCIS.Core.API/_ServiceExtensions/NewtonsoftJson/NewtonsoftJsonSetup.cs
+++ b/IRaCIS.Core.API/_ServiceExtensions/NewtonsoftJson/NewtonsoftJsonSetup.cs
@@ -8,8 +8,9 @@ namespace IRaCIS.Core.API
 {
     public static class NewtonsoftJsonSetup
     {
-        public static void AddNewtonsoftJsonSetup(this IMvcBuilder builder)
+        public static void AddNewtonsoftJsonSetup(this IMvcBuilder builder, IServiceCollection services)
         {
+            services.AddScoped<DateTimeConverterBase, JSONCustomDateConverter>();
 
             builder.AddNewtonsoftJson(options =>
              {
@@ -24,6 +25,7 @@ namespace IRaCIS.Core.API
                  options.SerializerSettings.DateFormatString = "yyyy-MM-dd HH:mm:ss";
 
                  //options.SerializerSettings.Converters.Add(new JSONCustomDateConverter()) ;
+                 //options.SerializerSettings.Converters.Add(services.BuildServiceProvider().GetService<JSONCustomDateConverter>());
 
                  //IsoDateTimeConverter
                  //options.SerializerSettings.NullValueHandling = NullValueHandling.Ignore;
diff --git a/IRaCIS.Core.Application/Service/TrialSiteUser/TrialSiteService.cs b/IRaCIS.Core.Application/Service/TrialSiteUser/TrialSiteService.cs
index 2054c1e6e..660497ac0 100644
--- a/IRaCIS.Core.Application/Service/TrialSiteUser/TrialSiteService.cs
+++ b/IRaCIS.Core.Application/Service/TrialSiteUser/TrialSiteService.cs
@@ -323,7 +323,7 @@ namespace IRaCIS.Core.Application.Services
         {
             //CRC只看到他负责的    
 
-            var list = await _trialSiteRepository.Where(t => t.TrialId == trialId).IgnoreQueryFilters()
+            var list = await _trialSiteRepository.Where(t => t.TrialId == trialId)
                           .WhereIf(_userInfo.UserTypeEnumInt == (int)UserTypeEnum.ClinicalResearchCoordinator || _userInfo.UserTypeEnumInt == (int)UserTypeEnum.CRA, t => t.CRCUserList.Any(t => t.UserId == _userInfo.Id))
                           .ProjectTo<TrialSiteForSelect>(_mapper.ConfigurationProvider).OrderBy(t => t.TrialSiteCode).ToListAsync();
 
diff --git a/IRaCIS.Core.Infra.EFCore/AuthUser/UserInfo.cs b/IRaCIS.Core.Infra.EFCore/AuthUser/UserInfo.cs
index eddead0fd..45e0ab3ec 100644
--- a/IRaCIS.Core.Infra.EFCore/AuthUser/UserInfo.cs
+++ b/IRaCIS.Core.Infra.EFCore/AuthUser/UserInfo.cs
@@ -277,7 +277,9 @@ namespace IRaCIS.Core.Domain.Share
                 {
                     return timeZoneId.Value;
                 }
-                return "Asia/Shanghai";
+
+                return "Etc/UTC";
+                //return "Asia/Shanghai";
 
 
             }