diff --git a/src/admin/Bootstrap.Admin/Controllers/Api/TasksController.cs b/src/admin/Bootstrap.Admin/Controllers/Api/TasksController.cs
index 4434870e..dd41429f 100644
--- a/src/admin/Bootstrap.Admin/Controllers/Api/TasksController.cs
+++ b/src/admin/Bootstrap.Admin/Controllers/Api/TasksController.cs
@@ -68,7 +68,6 @@ namespace Bootstrap.Admin.Controllers.Api
 
             // 此处未存储到数据库中，直接送入任务中心
             TaskServicesManager.Remove(widget.Name);
-            var expression = Longbow.Tasks.Cron.ParseCronExpression(widget.CronExpression);
             TaskServicesManager.GetOrAdd(widget.Name, token => taskExecutor.Execute(token), TriggerBuilder.Build(widget.CronExpression));
             return true;
         }
diff --git a/src/admin/Bootstrap.Admin/Models/TaskModel.cs b/src/admin/Bootstrap.Admin/Models/TaskModel.cs
index ef362b62..fb2d8021 100644
--- a/src/admin/Bootstrap.Admin/Models/TaskModel.cs
+++ b/src/admin/Bootstrap.Admin/Models/TaskModel.cs
@@ -24,7 +24,8 @@ namespace Bootstrap.Admin.Models
             TaskTriggers = new Dictionary<string, string>
             {
                 { "每 5 秒钟执行一次", Longbow.Tasks.Cron.Secondly(5) },
-                { "每 1 分钟执行一次", Longbow.Tasks.Cron.Minutely(1) }
+                { "每 1 分钟执行一次", Longbow.Tasks.Cron.Minutely(1) },
+                { "每 5 分钟执行一次", Longbow.Tasks.Cron.Minutely(5) }
             };
         }
 
diff --git a/src/admin/Bootstrap.DataAccess/Bootstrap.DataAccess.csproj b/src/admin/Bootstrap.DataAccess/Bootstrap.DataAccess.csproj
index e3b01de1..59ff7c1a 100644
--- a/src/admin/Bootstrap.DataAccess/Bootstrap.DataAccess.csproj
+++ b/src/admin/Bootstrap.DataAccess/Bootstrap.DataAccess.csproj
@@ -16,7 +16,7 @@
     <PackageReference Include="Longbow.OAuth" Version="3.1.1" />
     <PackageReference Include="Longbow.PetaPoco" Version="1.0.2" />
     <PackageReference Include="Longbow.Security.Cryptography" Version="1.3.0" />
-    <PackageReference Include="Longbow.Tasks" Version="3.1.0" />
+    <PackageReference Include="Longbow.Tasks" Version="3.1.1" />
     <PackageReference Include="Longbow.TencentAuth" Version="3.1.1" />
     <PackageReference Include="Longbow.Web" Version="3.1.1" />
     <PackageReference Include="Longbow.WeChatAuth" Version="3.1.2" />