diff --git a/DOAN.Admin.WebApi/Controllers/MES/Product/ProWorkorderController.cs b/DOAN.Admin.WebApi/Controllers/MES/Product/ProWorkorderController.cs
index 531025a..5284dcb 100644
--- a/DOAN.Admin.WebApi/Controllers/MES/Product/ProWorkorderController.cs
+++ b/DOAN.Admin.WebApi/Controllers/MES/Product/ProWorkorderController.cs
@@ -348,13 +348,13 @@ namespace DOAN.Admin.WebApi.Controllers
 
         //TODO  工单变更日志
         [HttpGet("workorder_log")]
-        public IActionResult WorkOrderLog(string workorder, string log)
+        public IActionResult WorkOrderLog(string workorder)
         {
             if (string.IsNullOrEmpty(workorder))
             {
                 return SUCCESS(null);
             }
-            var response = _ProWorkorderService.WorkOrderLog(workorder, log, HttpContext.GetName());
+            var response = _ProWorkorderService.WorkOrderLog(workorder);
             return SUCCESS(response);
         }
 
diff --git a/DOAN.Service/MES/Product/IService/IProWorkorderService.cs b/DOAN.Service/MES/Product/IService/IProWorkorderService.cs
index f37d255..eba0d83 100644
--- a/DOAN.Service/MES/Product/IService/IProWorkorderService.cs
+++ b/DOAN.Service/MES/Product/IService/IProWorkorderService.cs
@@ -62,7 +62,7 @@ namespace DOAN.Service.MES.product.IService
 
         List<WorkOrderBom> SearchBOMNum(string workorder_num);
 
-        int WorkOrderLog(string workorder, string log, string Operator);
+        List<ProWorkorderUpdateLog> WorkOrderLog(string workorder);
 
         Task<(string, Stream)> ExportPDFByQuestPDFDemo(string[] workorderArray);
         Task<CustomException> PrintTicketsByTemplate(ProWorkorderExportDto param);
diff --git a/DOAN.Service/MES/Product/IService/IProWorkorderUtilityService.cs b/DOAN.Service/MES/Product/IService/IProWorkorderUtilityService.cs
index a400951..4da9e56 100644
--- a/DOAN.Service/MES/Product/IService/IProWorkorderUtilityService.cs
+++ b/DOAN.Service/MES/Product/IService/IProWorkorderUtilityService.cs
@@ -34,13 +34,13 @@ namespace DOAN.Service.MES.product.IService
         List<WorkOrderBom> SearchBOMNum(string workorder_num);
 
         /// <summary>
-        /// 工单日志
+        /// 工单变更日志
         /// </summary>
         /// <param name="workorder"></param>
         /// <param name="log"></param>
         /// <param name="Operator"></param>
         /// <returns></returns>
-        int WorkOrderLog(string workorder, string log, string Operator);
+        List<ProWorkorderUpdateLog> WorkOrderLog(string workorder);
 
         /// <summary>
         /// 导出PDF
diff --git a/DOAN.Service/MES/Product/ProWorkorderService.cs b/DOAN.Service/MES/Product/ProWorkorderService.cs
index ce256c8..1277a6e 100644
--- a/DOAN.Service/MES/Product/ProWorkorderService.cs
+++ b/DOAN.Service/MES/Product/ProWorkorderService.cs
@@ -222,9 +222,9 @@ namespace DOAN.Service.MES.product
         /// <param name="log"></param>
         /// <param name="Operator"></param>
         /// <returns></returns>
-        public int WorkOrderLog(string workorder, string log, string Operator)
+        public List<ProWorkorderUpdateLog> WorkOrderLog(string workorder)
         {
-            return _utilityService.WorkOrderLog(workorder, log, Operator);
+            return _utilityService.WorkOrderLog(workorder);
         }
 
         /// <summary>
diff --git a/DOAN.Service/MES/Product/ProWorkorderUtilityService.cs b/DOAN.Service/MES/Product/ProWorkorderUtilityService.cs
index 281b2e4..5d5726d 100644
--- a/DOAN.Service/MES/Product/ProWorkorderUtilityService.cs
+++ b/DOAN.Service/MES/Product/ProWorkorderUtilityService.cs
@@ -9,7 +9,10 @@ namespace DOAN.Service.MES.product
     /// <summary>
     /// 工单工具服务
     /// </summary>
-    [AppService(ServiceType = typeof(IProWorkorderUtilityService), ServiceLifetime = LifeTime.Transient)]
+    [AppService(
+        ServiceType = typeof(IProWorkorderUtilityService),
+        ServiceLifetime = LifeTime.Transient
+    )]
     public class ProWorkorderUtilityService : BaseService<ProWorkorder>, IProWorkorderUtilityService
     {
         /// <summary>
@@ -109,17 +112,20 @@ namespace DOAN.Service.MES.product
         }
 
         /// <summary>
-        /// 工单日志
+        /// 工单变更日志
         /// </summary>
         /// <param name="workorder"></param>
         /// <param name="log"></param>
         /// <param name="Operator"></param>
         /// <returns></returns>
-        public int WorkOrderLog(string workorder, string log, string Operator)
+        public List<ProWorkorderUpdateLog> WorkOrderLog(string workorder)
         {
-            // 这里需要实现工单日志记录逻辑
-            // 暂时返回成功
-            return 1;
+            var result = Context
+                .Queryable<ProWorkorderUpdateLog>()
+                .Where(it => it.Workorder == workorder)
+                .OrderByDescending(it => it.ChangeTime)
+                .ToList();
+            return result;
         }
 
         /// <summary>