diff --git a/server/HoneyBox/src/HoneyBox.Admin.Business/Extensions/FlexibleDateTimeConverter.cs b/server/HoneyBox/src/HoneyBox.Admin.Business/Extensions/FlexibleDateTimeConverter.cs
new file mode 100644
index 00000000..2a8ff9c7
--- /dev/null
+++ b/server/HoneyBox/src/HoneyBox.Admin.Business/Extensions/FlexibleDateTimeConverter.cs
@@ -0,0 +1,124 @@
+using System.Globalization;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace HoneyBox.Admin.Business.Extensions;
+
+/// <summary>
+/// 灵活的日期时间 JSON 转换器
+/// 支持多种日期格式：ISO 8601、"yyyy-MM-dd HH:mm:ss"、"yyyy-MM-dd HH:mm" 等
+/// </summary>
+public class FlexibleDateTimeConverter : JsonConverter<DateTime?>
+{
+    private static readonly string[] DateFormats = new[]
+    {
+        "yyyy-MM-dd HH:mm:ss",
+        "yyyy-MM-dd HH:mm",
+        "yyyy-MM-dd",
+        "yyyy/MM/dd HH:mm:ss",
+        "yyyy/MM/dd HH:mm",
+        "yyyy/MM/dd",
+        "MM/dd/yyyy HH:mm:ss",
+        "MM/dd/yyyy",
+    };
+
+    public override DateTime? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    {
+        if (reader.TokenType == JsonTokenType.Null)
+        {
+            return null;
+        }
+
+        if (reader.TokenType == JsonTokenType.String)
+        {
+            var dateString = reader.GetString();
+            
+            if (string.IsNullOrWhiteSpace(dateString))
+            {
+                return null;
+            }
+
+            // 尝试标准 ISO 8601 格式
+            if (DateTime.TryParse(dateString, CultureInfo.InvariantCulture, DateTimeStyles.None, out var result))
+            {
+                return result;
+            }
+
+            // 尝试自定义格式
+            foreach (var format in DateFormats)
+            {
+                if (DateTime.TryParseExact(dateString, format, CultureInfo.InvariantCulture, DateTimeStyles.None, out result))
+                {
+                    return result;
+                }
+            }
+
+            throw new JsonException($"无法解析日期时间: {dateString}");
+        }
+
+        throw new JsonException($"意外的 JSON 令牌类型: {reader.TokenType}");
+    }
+
+    public override void Write(Utf8JsonWriter writer, DateTime? value, JsonSerializerOptions options)
+    {
+        if (value.HasValue)
+        {
+            writer.WriteStringValue(value.Value.ToString("yyyy-MM-dd HH:mm:ss"));
+        }
+        else
+        {
+            writer.WriteNullValue();
+        }
+    }
+}
+
+/// <summary>
+/// 非空日期时间转换器
+/// </summary>
+public class FlexibleDateTimeNonNullableConverter : JsonConverter<DateTime>
+{
+    private static readonly string[] DateFormats = new[]
+    {
+        "yyyy-MM-dd HH:mm:ss",
+        "yyyy-MM-dd HH:mm",
+        "yyyy-MM-dd",
+        "yyyy/MM/dd HH:mm:ss",
+        "yyyy/MM/dd HH:mm",
+        "yyyy/MM/dd",
+    };
+
+    public override DateTime Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    {
+        if (reader.TokenType == JsonTokenType.String)
+        {
+            var dateString = reader.GetString();
+            
+            if (string.IsNullOrWhiteSpace(dateString))
+            {
+                return default;
+            }
+
+            if (DateTime.TryParse(dateString, CultureInfo.InvariantCulture, DateTimeStyles.None, out var result))
+            {
+                return result;
+            }
+
+            foreach (var format in DateFormats)
+            {
+                if (DateTime.TryParseExact(dateString, format, CultureInfo.InvariantCulture, DateTimeStyles.None, out result))
+                {
+                    return result;
+                }
+            }
+
+            throw new JsonException($"无法解析日期时间: {dateString}");
+        }
+
+        throw new JsonException($"意外的 JSON 令牌类型: {reader.TokenType}");
+    }
+
+    public override void Write(Utf8JsonWriter writer, DateTime value, JsonSerializerOptions options)
+    {
+        writer.WriteStringValue(value.ToString("yyyy-MM-dd HH:mm:ss"));
+    }
+}
diff --git a/server/HoneyBox/src/HoneyBox.Admin.Business/Models/Goods/GoodsModels.cs b/server/HoneyBox/src/HoneyBox.Admin.Business/Models/Goods/GoodsModels.cs
index 02e20e94..4f59aeb3 100644
--- a/server/HoneyBox/src/HoneyBox.Admin.Business/Models/Goods/GoodsModels.cs
+++ b/server/HoneyBox/src/HoneyBox.Admin.Business/Models/Goods/GoodsModels.cs
@@ -1,4 +1,6 @@
 using HoneyBox.Admin.Business.Models;
+using HoneyBox.Admin.Business.Extensions;
+using System.Text.Json.Serialization;
 
 namespace HoneyBox.Admin.Business.Models.Goods;
 
@@ -103,16 +105,19 @@ public class GoodsCreateRequest
     /// <summary>
     /// 福利屋开始时间
     /// </summary>
+    [JsonConverter(typeof(FlexibleDateTimeConverter))]
     public DateTime? FlwStartTime { get; set; }
 
     /// <summary>
     /// 福利屋结束时间
     /// </summary>
+    [JsonConverter(typeof(FlexibleDateTimeConverter))]
     public DateTime? FlwEndTime { get; set; }
 
     /// <summary>
     /// 开放时间
     /// </summary>
+    [JsonConverter(typeof(FlexibleDateTimeConverter))]
     public DateTime? OpenTime { get; set; }
 
     /// <summary>
diff --git a/server/HoneyBox/src/HoneyBox.Core/Services/WelfareService.cs b/server/HoneyBox/src/HoneyBox.Core/Services/WelfareService.cs
index 32dbbdcb..6a207742 100644
--- a/server/HoneyBox/src/HoneyBox.Core/Services/WelfareService.cs
+++ b/server/HoneyBox/src/HoneyBox.Core/Services/WelfareService.cs
@@ -597,6 +597,9 @@ public class WelfareService : IWelfareService
         var now = DateTime.Now;
         IQueryable<Good> query;
 
+        _logger.LogInformation("GetFuliwuListAsync: userId={UserId}, type={Type}, page={Page}, userTotalConsumption={Consumption}, now={Now}",
+            userId, type, page, userTotalConsumption, now);
+
         if (type == 1)
         {
             // type=1 进行中：Status=1, IsOpen=0, 且开奖时间未到
@@ -623,6 +626,8 @@ public class WelfareService : IWelfareService
         var total = await query.CountAsync();
         var lastPage = (int)Math.Ceiling((double)total / paginate);
 
+        _logger.LogInformation("GetFuliwuListAsync: total={Total}, lastPage={LastPage}", total, lastPage);
+
         // 分页查询
         var goods = await query
             .Skip((page - 1) * paginate)