diff --git a/美国版/Food Labeling Management Code/Yi.Abp.Net8/module/food-labeling-us/FoodLabeling.Application.Contracts/Dtos/UsAppLabeling/UsAppLabelPrintInputVo.cs b/美国版/Food Labeling Management Code/Yi.Abp.Net8/module/food-labeling-us/FoodLabeling.Application.Contracts/Dtos/UsAppLabeling/UsAppLabelPrintInputVo.cs
index 9a2aaa0..e456744 100644
--- a/美国版/Food Labeling Management Code/Yi.Abp.Net8/module/food-labeling-us/FoodLabeling.Application.Contracts/Dtos/UsAppLabeling/UsAppLabelPrintInputVo.cs
+++ b/美国版/Food Labeling Management Code/Yi.Abp.Net8/module/food-labeling-us/FoodLabeling.Application.Contracts/Dtos/UsAppLabeling/UsAppLabelPrintInputVo.cs
@@ -31,6 +31,12 @@ public class UsAppLabelPrintInputVo
     public int PrintQuantity { get; set; } = 1;
 
     /// <summary>
+    /// 客户端幂等请求Id（可选）。
+    /// 同一个 clientRequestId 重复调用 print 接口时，后端会直接返回首次创建的 batchId/taskIds，不会重复写库。
+    /// </summary>
+    public string? ClientRequestId { get; set; }
+
+    /// <summary>
     /// 业务基准时间（用于 DATE/TIME 等元素的计算）
     /// </summary>
     public DateTime? BaseTime { get; set; }
diff --git a/美国版/Food Labeling Management Code/Yi.Abp.Net8/module/food-labeling-us/FoodLabeling.Application.Contracts/Dtos/UsAppLabeling/UsAppLabelPrintOutputDto.cs b/美国版/Food Labeling Management Code/Yi.Abp.Net8/module/food-labeling-us/FoodLabeling.Application.Contracts/Dtos/UsAppLabeling/UsAppLabelPrintOutputDto.cs
index d7c202c..f6b6c80 100644
--- a/美国版/Food Labeling Management Code/Yi.Abp.Net8/module/food-labeling-us/FoodLabeling.Application.Contracts/Dtos/UsAppLabeling/UsAppLabelPrintOutputDto.cs
+++ b/美国版/Food Labeling Management Code/Yi.Abp.Net8/module/food-labeling-us/FoodLabeling.Application.Contracts/Dtos/UsAppLabeling/UsAppLabelPrintOutputDto.cs
@@ -1,3 +1,5 @@
+using System.Collections.Generic;
+
 namespace FoodLabeling.Application.Contracts.Dtos.UsAppLabeling;
 
 /// <summary>
@@ -8,5 +10,9 @@ public class UsAppLabelPrintOutputDto
     public string TaskId { get; set; } = string.Empty;
 
     public int PrintQuantity { get; set; }
+
+    public string? BatchId { get; set; }
+
+    public List<string> TaskIds { get; set; } = new();
 }
 
diff --git a/美国版/Food Labeling Management Code/Yi.Abp.Net8/module/food-labeling-us/FoodLabeling.Application/Services/DbModels/FlLabelPrintDataDbEntity.cs b/美国版/Food Labeling Management Code/Yi.Abp.Net8/module/food-labeling-us/FoodLabeling.Application/Services/DbModels/FlLabelPrintDataDbEntity.cs
index 415b402..2bfa4bf 100644
--- a/美国版/Food Labeling Management Code/Yi.Abp.Net8/module/food-labeling-us/FoodLabeling.Application/Services/DbModels/FlLabelPrintDataDbEntity.cs
+++ b/美国版/Food Labeling Management Code/Yi.Abp.Net8/module/food-labeling-us/FoodLabeling.Application/Services/DbModels/FlLabelPrintDataDbEntity.cs
@@ -11,30 +11,14 @@ public class FlLabelPrintDataDbEntity
     [SugarColumn(IsPrimaryKey = true)]
     public string Id { get; set; } = string.Empty;
 
-    public bool IsDeleted { get; set; }
+    public string PrintTaskId { get; set; } = string.Empty;
 
-    public DateTime CreationTime { get; set; }
+    public string ElementId { get; set; } = string.Empty;
 
-    public string? CreatorId { get; set; }
+    public string? ElementName { get; set; }
 
-    public string? LastModifierId { get; set; }
+    public string? RenderValue { get; set; }
 
-    public DateTime? LastModificationTime { get; set; }
-
-    public string ConcurrencyStamp { get; set; } = string.Empty;
-
-    public string TaskId { get; set; } = string.Empty;
-
-    public int? CopyIndex { get; set; }
-
-    /// <summary>
-    /// 原始打印输入（json 字段，直接保存为字符串）
-    /// </summary>
-    public string? PrintInputJson { get; set; }
-
-    /// <summary>
-    /// 解析后的可打印数据（建议保存为 json 字符串）
-    /// </summary>
-    public string? RenderDataJson { get; set; }
+    public string? RenderConfigJson { get; set; }
 }
 
diff --git a/美国版/Food Labeling Management Code/Yi.Abp.Net8/module/food-labeling-us/FoodLabeling.Application/Services/DbModels/FlLabelPrintTaskDbEntity.cs b/美国版/Food Labeling Management Code/Yi.Abp.Net8/module/food-labeling-us/FoodLabeling.Application/Services/DbModels/FlLabelPrintTaskDbEntity.cs
index 8b73e7e..dd56f1d 100644
--- a/美国版/Food Labeling Management Code/Yi.Abp.Net8/module/food-labeling-us/FoodLabeling.Application/Services/DbModels/FlLabelPrintTaskDbEntity.cs
+++ b/美国版/Food Labeling Management Code/Yi.Abp.Net8/module/food-labeling-us/FoodLabeling.Application/Services/DbModels/FlLabelPrintTaskDbEntity.cs
@@ -11,36 +11,44 @@ public class FlLabelPrintTaskDbEntity
     [SugarColumn(IsPrimaryKey = true)]
     public string Id { get; set; } = string.Empty;
 
-    public bool IsDeleted { get; set; }
+    public string? BatchId { get; set; }
 
-    public DateTime CreationTime { get; set; }
-
-    public string? CreatorId { get; set; }
+    public int CopyIndex { get; set; } = 1;
 
-    public string? LastModifierId { get; set; }
+    public string? ClientRequestId { get; set; }
 
-    public DateTime? LastModificationTime { get; set; }
+    public string LabelId { get; set; } = string.Empty;
 
-    public string ConcurrencyStamp { get; set; } = string.Empty;
-
-    public string? LocationId { get; set; }
+    public string TemplateId { get; set; } = string.Empty;
 
-    public string? LabelCode { get; set; }
+    public string? LabelTypeId { get; set; }
 
     public string? ProductId { get; set; }
 
-    public string? LabelTypeId { get; set; }
+    public string? LocationId { get; set; }
+
+    public DateTime? BaseTime { get; set; }
 
-    public string? TemplateCode { get; set; }
+    public string? PrintInputJson { get; set; }
 
-    public int PrintQuantity { get; set; }
+    public string? TemplateProductDefaultValuesJson { get; set; }
 
-    public DateTime? BaseTime { get; set; }
+    public string RenderTemplateJson { get; set; } = string.Empty;
 
     public string? PrinterId { get; set; }
 
     public string? PrinterMac { get; set; }
 
     public string? PrinterAddress { get; set; }
+
+    public string Status { get; set; } = "CREATED";
+
+    public DateTime? PrintedAt { get; set; }
+
+    public string? ErrorMessage { get; set; }
+
+    public string? CreatedBy { get; set; }
+
+    public DateTime CreationTime { get; set; }
 }
 
diff --git a/美国版/Food Labeling Management Code/Yi.Abp.Net8/module/food-labeling-us/FoodLabeling.Application/Services/UsAppLabelingAppService.cs b/美国版/Food Labeling Management Code/Yi.Abp.Net8/module/food-labeling-us/FoodLabeling.Application/Services/UsAppLabelingAppService.cs
index d0b96b7..c26db25 100644
--- a/美国版/Food Labeling Management Code/Yi.Abp.Net8/module/food-labeling-us/FoodLabeling.Application/Services/UsAppLabelingAppService.cs
+++ b/美国版/Food Labeling Management Code/Yi.Abp.Net8/module/food-labeling-us/FoodLabeling.Application/Services/UsAppLabelingAppService.cs
@@ -361,6 +361,28 @@ public class UsAppLabelingAppService : ApplicationService, IUsAppLabelingAppServ
         }
 
         var quantity = input.PrintQuantity <= 0 ? 1 : input.PrintQuantity;
+        var clientRequestId = input.ClientRequestId?.Trim();
+        if (!string.IsNullOrWhiteSpace(clientRequestId))
+        {
+            // 幂等：同一个 clientRequestId 重复调用，直接返回首次创建的任务集合
+            var existed = await _dbContext.SqlSugarClient.Queryable<FlLabelPrintTaskDbEntity>()
+                .Where(x => x.ClientRequestId == clientRequestId)
+                .OrderBy(x => x.CopyIndex)
+                .ToListAsync();
+
+            if (existed is not null && existed.Count > 0)
+            {
+                var existedBatchId = existed.First().BatchId;
+                var existedTaskIds = existed.Select(x => x.Id).ToList();
+                return new UsAppLabelPrintOutputDto
+                {
+                    TaskId = existedTaskIds.FirstOrDefault() ?? string.Empty,
+                    PrintQuantity = existedTaskIds.Count,
+                    BatchId = existedBatchId,
+                    TaskIds = existedTaskIds
+                };
+            }
+        }
 
         // 校验 label + location，并补齐一些顶部字段用于任务表落库
         var labelRow = await _dbContext.SqlSugarClient
@@ -372,9 +394,10 @@ public class UsAppLabelingAppService : ApplicationService, IUsAppLabelingAppServ
             .Where((l, t, tpl) => l.LabelCode == labelCode)
             .Select((l, t, tpl) => new
             {
+                l.Id,
                 l.LocationId,
                 l.LabelTypeId,
-                TemplateCode = tpl.TemplateCode
+                l.TemplateId
             })
             .FirstAsync();
 
@@ -388,84 +411,124 @@ public class UsAppLabelingAppService : ApplicationService, IUsAppLabelingAppServ
             throw new UserFriendlyException("该标签不属于当前门店");
         }
 
+        var previewProductId = await ResolvePreviewProductIdAsync(labelRow.Id, input.ProductId);
+        var normalizedPrintInput = input.PrintInputJson?.ToDictionary(x => x.Key, x => (object?)x.Value);
+
+        // 解析模板 elements（与预览一致的渲染数据）
+        var resolvedTemplate = await _labelAppService.PreviewAsync(new LabelPreviewResolveInputVo
+        {
+            LabelCode = labelCode,
+            ProductId = previewProductId,
+            BaseTime = input.BaseTime,
+            PrintInputJson = normalizedPrintInput
+        });
+
+        var templateProductDefaultValuesJson = await ResolveTemplateProductDefaultValuesJsonAsync(
+            labelRow.TemplateId,
+            previewProductId,
+            labelRow.LabelTypeId);
+
         var printInputJsonStr = input.PrintInputJson is null
             ? null
             : JsonSerializer.Serialize(input.PrintInputJson);
+        var renderTemplateJsonStr = JsonSerializer.Serialize(resolvedTemplate);
 
-        string renderDataJsonStr;
-        var snapshotOk = false;
-        if (input.TemplateSnapshot.HasValue)
-        {
-            var snapEl = input.TemplateSnapshot.Value;
-            if (snapEl.ValueKind == JsonValueKind.Object
-                && snapEl.TryGetProperty("elements", out var elArr)
-                && elArr.ValueKind == JsonValueKind.Array)
-            {
-                // App 与出纸一致的合并模板（label-template 同构），供打印历史/重打直接使用
-                renderDataJsonStr = snapEl.GetRawText();
-                snapshotOk = true;
-            }
-        }
+        var now = DateTime.Now;
+        var currentUserId = CurrentUser?.Id?.ToString();
+        var batchId = _guidGenerator.Create().ToString();
+        var taskIds = new List<string>();
 
-        if (!snapshotOk)
+        for (var i = 1; i <= quantity; i++)
         {
-            var resolvedTemplate = await _labelAppService.PreviewAsync(new LabelPreviewResolveInputVo
+            var taskId = _guidGenerator.Create().ToString();
+            taskIds.Add(taskId);
+
+            var task = new FlLabelPrintTaskDbEntity
             {
-                LabelCode = labelCode,
-                ProductId = input.ProductId?.Trim(),
+                Id = taskId,
+                BatchId = batchId,
+                CopyIndex = i,
+                ClientRequestId = string.IsNullOrWhiteSpace(clientRequestId) ? null : clientRequestId,
+                LabelId = labelRow.Id,
+                TemplateId = labelRow.TemplateId,
+                LabelTypeId = labelRow.LabelTypeId,
+                ProductId = previewProductId,
+                LocationId = locationId,
                 BaseTime = input.BaseTime,
-                PrintInputJson = input.PrintInputJson
-            });
-            renderDataJsonStr = JsonSerializer.Serialize(resolvedTemplate);
-        }
+                PrintInputJson = printInputJsonStr,
+                TemplateProductDefaultValuesJson = templateProductDefaultValuesJson,
+                RenderTemplateJson = renderTemplateJsonStr,
+                PrinterId = input.PrinterId?.Trim(),
+                PrinterMac = input.PrinterMac?.Trim(),
+                PrinterAddress = input.PrinterAddress?.Trim(),
+                Status = "CREATED",
+                PrintedAt = null,
+                ErrorMessage = null,
+                CreatedBy = currentUserId,
+                CreationTime = now
+            };
 
-        var now = DateTime.Now;
-        var currentUserId = CurrentUser?.Id?.ToString();
-        var taskId = _guidGenerator.Create().ToString();
+            await _dbContext.SqlSugarClient.Insertable(task).ExecuteCommandAsync();
 
-        var task = new FlLabelPrintTaskDbEntity
-        {
-            Id = taskId,
-            IsDeleted = false,
-            CreationTime = now,
-            CreatorId = currentUserId,
-            ConcurrencyStamp = _guidGenerator.Create().ToString("N"),
-            LocationId = locationId,
-            LabelCode = labelCode,
-            ProductId = input.ProductId?.Trim(),
-            LabelTypeId = labelRow.LabelTypeId,
-            TemplateCode = labelRow.TemplateCode,
-            PrintQuantity = quantity,
-            BaseTime = input.BaseTime,
-            PrinterId = input.PrinterId?.Trim(),
-            PrinterMac = input.PrinterMac?.Trim(),
-            PrinterAddress = input.PrinterAddress?.Trim()
-        };
+            var rows = resolvedTemplate.Elements.Select(e =>
+            {
+                var cfgJson = e.ConfigJson is null ? null : JsonSerializer.Serialize(e.ConfigJson);
+                string? renderValue = null;
+                if (e.ConfigJson is JsonElement je && je.ValueKind == JsonValueKind.Object && je.TryGetProperty("text", out var tv))
+                {
+                    renderValue = tv.ValueKind == JsonValueKind.String ? tv.GetString() : tv.ToString();
+                }
+                else if (e.ConfigJson is Dictionary<string, object?> dict && dict.TryGetValue("text", out var v))
+                {
+                    renderValue = v?.ToString();
+                }
 
-        await _dbContext.SqlSugarClient.Insertable(task).ExecuteCommandAsync();
+                return new FlLabelPrintDataDbEntity
+                {
+                    Id = _guidGenerator.Create().ToString(),
+                    PrintTaskId = taskId,
+                    ElementId = e.Id?.Trim() ?? string.Empty,
+                    ElementName = e.ElementName?.Trim(),
+                    RenderValue = renderValue,
+                    RenderConfigJson = cfgJson
+                };
+            }).Where(x => !string.IsNullOrWhiteSpace(x.ElementId)).ToList();
 
-        var dataRows = Enumerable.Range(1, quantity).Select(i => new FlLabelPrintDataDbEntity
-        {
-            Id = _guidGenerator.Create().ToString(),
-            IsDeleted = false,
-            CreationTime = now,
-            CreatorId = currentUserId,
-            ConcurrencyStamp = _guidGenerator.Create().ToString("N"),
-            TaskId = taskId,
-            CopyIndex = i,
-            PrintInputJson = printInputJsonStr,
-            RenderDataJson = renderDataJsonStr
-        }).ToList();
-
-        await _dbContext.SqlSugarClient.Insertable(dataRows).ExecuteCommandAsync();
+            if (rows.Count > 0)
+            {
+                await _dbContext.SqlSugarClient.Insertable(rows).ExecuteCommandAsync();
+            }
+        }
 
         return new UsAppLabelPrintOutputDto
         {
-            TaskId = taskId,
-            PrintQuantity = quantity
+            TaskId = taskIds.FirstOrDefault() ?? string.Empty,
+            PrintQuantity = quantity,
+            BatchId = batchId,
+            TaskIds = taskIds
         };
     }
 
+    private async Task<string?> ResolveTemplateProductDefaultValuesJsonAsync(
+        string templateId,
+        string? productId,
+        string labelTypeId)
+    {
+        if (string.IsNullOrWhiteSpace(templateId) || string.IsNullOrWhiteSpace(productId) || string.IsNullOrWhiteSpace(labelTypeId))
+        {
+            return null;
+        }
+
+        var productDefault = await _dbContext.SqlSugarClient.Queryable<FlLabelTemplateProductDefaultDbEntity>()
+            .Where(x => x.TemplateId == templateId)
+            .Where(x => x.ProductId == productId)
+            .Where(x => x.LabelTypeId == labelTypeId)
+            .OrderBy(x => x.OrderNum)
+            .FirstAsync();
+
+        return string.IsNullOrWhiteSpace(productDefault?.DefaultValuesJson) ? null : productDefault!.DefaultValuesJson;
+    }
+
     private ISugarQueryable<FlLabelProductDbEntity, FlLabelDbEntity, FlProductDbEntity, FlLabelCategoryDbEntity, FlLabelTypeDbEntity, FlLabelTemplateDbEntity, FlProductCategoryDbEntity> BuildLabelingJoinQuery(
         string locationId,
         List<string> productIds,