diff --git a/DOAN.Admin.WebApi/Controllers/MES/andon/AndonInteractionController.cs b/DOAN.Admin.WebApi/Controllers/MES/andon/AndonInteractionController.cs
index 1455dfa..ad1ba44 100644
--- a/DOAN.Admin.WebApi/Controllers/MES/andon/AndonInteractionController.cs
+++ b/DOAN.Admin.WebApi/Controllers/MES/andon/AndonInteractionController.cs
@@ -87,7 +87,7 @@ namespace DOAN.WebApi.Controllers.MES.andon
         [HttpPost("signin")]
         public IActionResult SignIn([FromBody] AndonResponseQueryDto response)
         {
-            if (response == null)
+            if (response == null||response.Id==null)
             {
                 return SUCCESS(null);
 
diff --git a/DOAN.Service/JobKanban/WorkorderProgressService.cs b/DOAN.Service/JobKanban/WorkorderProgressService.cs
index 1df05ec..37782a2 100644
--- a/DOAN.Service/JobKanban/WorkorderProgressService.cs
+++ b/DOAN.Service/JobKanban/WorkorderProgressService.cs
@@ -615,7 +615,7 @@ public class WorkorderProgressService : BaseService<ProWorkorder>, IWorkorderPro
         DateTime[] dateTimeArray = new DateTime[intervals];
         for (int i = 0; i < intervals; i++)
         {
-            TimeSpan spanItem = new TimeSpan(0, 10 * i, 0);// 60分钟间隔
+            TimeSpan spanItem = new TimeSpan(0, 60 * i, 0);// 60分钟间隔
             DateTime TodayItem = todayAtEight + spanItem;
             dateTimeArray[i] = TodayItem;
         }
@@ -699,7 +699,10 @@ public class WorkorderProgressService : BaseService<ProWorkorder>, IWorkorderPro
         //3 系列值-这组 今日计划累计完成数（每60分钟）
         //获取今天这个组的所有工单
         List<ProWorkorder> ProWorkorderList = Context.Queryable<ProWorkorder>().Where(it => it.GroupCode == groupCode && it.WorkorderDate == DateTime.Today).ToList();
-
+        if (ProWorkorderList.Count() == 0)
+        {
+            return null;
+        }
         //求出总产量需要多少s
         int allSecends = 0;
         foreach (var item in ProWorkorderList)
@@ -713,7 +716,7 @@ public class WorkorderProgressService : BaseService<ProWorkorder>, IWorkorderPro
         int productOfeachTenMin = allproduct / (allSecends / (60 * 60));
 
         EchartsSeries echartsSeries02 = new EchartsSeries();
-        echartsSeries02.Name = groupCode + "组今日计划累计完成数（每60分钟）";
+        echartsSeries02.Name = groupCode + "组今日计划完成数（每60分钟）";
         echartsSeries02.Type = "bar";
         List<EchartsSeriesData> echartsSeriesData02s = new List<EchartsSeriesData>();
         //int all_plan_product = 0;
diff --git a/DOAN.Service/MES/andon/AndonInteractionService.cs b/DOAN.Service/MES/andon/AndonInteractionService.cs
index 4d96425..fc0be9d 100644
--- a/DOAN.Service/MES/andon/AndonInteractionService.cs
+++ b/DOAN.Service/MES/andon/AndonInteractionService.cs
@@ -194,7 +194,7 @@ namespace DOAN.Service.MES.andon
 
             record.EndTime = DateTime.Now;
 
-            TimeSpan timeDifference = record.EndTime.Value - record.StartTime.Value;
+            TimeSpan timeDifference = (record.EndTime ?? DateTime.MinValue) - (record.StartTime ?? DateTime.MinValue);
 
             record.Duration = Math.Round((decimal)timeDifference.TotalMinutes, 2);
             record.Status = 2;
diff --git a/Infrastructure/Helper/MqttHelper.cs b/Infrastructure/Helper/MqttHelper.cs
index 063634f..f824cac 100644
--- a/Infrastructure/Helper/MqttHelper.cs
+++ b/Infrastructure/Helper/MqttHelper.cs
@@ -62,12 +62,12 @@ namespace DOAN.Infrastructure.Helper
                 Console.WriteLine($"正在连接到 MQTT Broker: {MqttBrokerUrl}:{MqttBrokerPort}...");
                 await _mqttClient.ConnectAsync(options);
 
-                Console.WriteLine("✅ MQTT 连接成功！");
+                Console.WriteLine(" MQTT 连接成功！");
                 return true;
             }
             catch (Exception ex)
             {
-                Console.WriteLine($"❌ MQTT 连接失败: {ex.Message}");
+                Console.WriteLine($" MQTT 连接失败: {ex.Message}");
                 return false;
             }
         }
@@ -90,7 +90,7 @@ namespace DOAN.Infrastructure.Helper
                     Console.WriteLine("MQTT 客户端未连接，尝试重新连接...");
                     if (!await ConnectAsync())
                     {
-                        Console.WriteLine("❌ 重连失败，无法发送消息");
+                        Console.WriteLine(" 重连失败，无法发送消息");
                         return false;
                     }
                 }
@@ -105,12 +105,12 @@ namespace DOAN.Infrastructure.Helper
                 Console.WriteLine($"正在向主题 '{topic}' 发送消息: {messageContent}");
                 await _mqttClient.PublishAsync(message);
 
-                Console.WriteLine("✅ 消息发送成功！");
+                Console.WriteLine(" 消息发送成功！");
                 return true;
             }
             catch (Exception ex)
             {
-                Console.WriteLine($"❌ 消息发送失败: {ex.Message}");
+                Console.WriteLine($" 消息发送失败: {ex.Message}");
                 return false;
             }
         }
@@ -138,12 +138,12 @@ namespace DOAN.Infrastructure.Helper
                 if (_mqttClient?.IsConnected == true)
                 {
                     await _mqttClient.DisconnectAsync();
-                    Console.WriteLine("🔌 MQTT 已断开连接");
+                    Console.WriteLine(" MQTT 已断开连接");
                 }
             }
             catch (Exception ex)
             {
-                Console.WriteLine($"❌ 断开连接时发生错误: {ex.Message}");
+                Console.WriteLine($" 断开连接时发生错误: {ex.Message}");
             }
         }