diff --git a/Library/NodeAttribute.cs b/Library/NodeAttribute.cs
index 8101672..68da2fd 100644
--- a/Library/NodeAttribute.cs
+++ b/Library/NodeAttribute.cs
@@ -58,7 +58,7 @@ namespace Serein.Library
     /// <para>表示该类中存在节点信息</para>
     /// </summary>
     [AttributeUsage(AttributeTargets.Class)]
-    public class DynamicFlowAttribute : Attribute
+    public sealed class DynamicFlowAttribute : Attribute
     {
         public DynamicFlowAttribute(string name = "",bool scan = true)
         {
@@ -82,7 +82,7 @@ namespace Serein.Library
     ///  <para>如果是Task类型的返回值，将会自动进行等待</para>
     /// </summary>
     [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method)]
-    public class NodeActionAttribute : Attribute
+    public sealed class NodeActionAttribute : Attribute
     {
         public NodeActionAttribute(NodeType methodDynamicType,
                                        string methodTips = "",
@@ -113,17 +113,25 @@ namespace Serein.Library
     }
 
 
+    /// <summary>
+    /// 节点参数设置
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Parameter)]
+    public sealed class NodeParamAttribute : Attribute
+    {
+        /// <summary>
+        /// 显示名称
+        /// </summary>
+        public string Name;
 
-    //[AttributeUsage(AttributeTargets.Field)]
-    //public class BindTypeAttribute : Attribute
-    //{
-    //    public Type Type { get; }
+        /// <summary>
+        /// 是否显式设置（此设置对于有入参默认值的参数无效）
+        /// </summary>
+        public bool IsExplicit;
+
+     
+    }
 
-    //    public BindTypeAttribute(Type type)
-    //    {
-    //        Type = type;
-    //    }
-    //}
 
     [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property)]
     public class BindValueAttribute : Attribute
@@ -136,6 +144,8 @@ namespace Serein.Library
         }
     }
 
+
+
     /// <summary>
     /// 枚举值转换器，要求枚举项标记的BindValueAttribute特性，与搭配的参数类型一致，否则参数不会传入
     /// </summary>
diff --git a/Library/SereinBaseFunction.cs b/Library/SereinBaseFunction.cs
index 3237df8..c0d8961 100644
--- a/Library/SereinBaseFunction.cs
+++ b/Library/SereinBaseFunction.cs
@@ -17,51 +17,11 @@ namespace Serein.Library
     [DynamicFlow(Name ="[基础功能]")]
     public class SereinBaseFunction
     {
-        //[NodeAction(NodeType.Action,"条件节点")]
-        //private bool SereinConditionNode(IDynamicContext context,
-        //                                 object targetObject,
-        //                                 string exp = "ISPASS")
-        //{
-        //    var isPass = SereinConditionParser.To(targetObject, exp);
-        //    context.NextOrientation = isPass ? ConnectionInvokeType.IsSucceed : ConnectionInvokeType.IsFail;
-        //    return isPass;
-        //}
-
-        //[NodeAction(NodeType.Action, "表达式节点")]
-        //private object SereinExpNode(IDynamicContext context,
-        //                                 object targetObject,
-        //                                 string exp)
-        //{
-
-        //    exp = "@" + exp;
-        //    var newData = SerinExpressionEvaluator.Evaluate(exp, targetObject, out bool isChange);
-        //    object result;
-        //    if (isChange || exp.StartsWith("@GET",System.StringComparison.OrdinalIgnoreCase))
-        //    {
-        //        result = newData;
-        //    }
-        //    else
-        //    {
-        //        result = targetObject;
-        //    }
-        //    context.NextOrientation = ConnectionInvokeType.IsSucceed;
-        //    return result;
-        //}
-
-
-
+        
         [NodeAction(NodeType.Action, "键值对组装")]
-        private Dictionary<string, object> SereinKvDataCollectionNode(/*NodeModelBase nodeModel, */
-                                                                      string argName, 
+        private Dictionary<string, object> SereinKvDataCollectionNode(string argName, 
                                                                       params object[] value)
         {
-            //var paramsArgIndex = nodeModel.MethodDetails.ParamsArgIndex;
-            //var pds = nodeModel.MethodDetails.ParameterDetailss;
-            //var length = pds.Length - paramsArgIndex;
-            //for(int i = paramsArgIndex; i < pds.Length; i++)
-            //{
-            //    var pd = pds[i];
-            //}
 
             var names = argName.Split(';');
             var count = Math.Min(value.Length, names.Length);
@@ -90,7 +50,9 @@ namespace Serein.Library
         }
 
         [NodeAction(NodeType.Action, "逻辑分支")]
-        private object SereinLogicalBranch(bool @bool, object t_value,object f_value)
+        private object SereinLogicalBranch([NodeParam(IsExplicit = false)]bool @bool, 
+                                            object t_value,
+                                            object f_value)
         {
             return @bool ? t_value : f_value;
         }
@@ -141,7 +103,7 @@ namespace Serein.Library
 
 
         [NodeAction(NodeType.Action, "设置/更新全局数据")]
-        private object SereinAddOrUpdateFlowGlobalData(string name,object data)
+        private object SereinAddOrUpdateFlowGlobalData(string name, object data)
         {
             SereinEnv.AddOrUpdateFlowGlobalData(name, data);
             return data;
diff --git a/NodeFlow/Tool/NodeMethodDetailsHelper.cs b/NodeFlow/Tool/NodeMethodDetailsHelper.cs
index fffa778..7fbfe1f 100644
--- a/NodeFlow/Tool/NodeMethodDetailsHelper.cs
+++ b/NodeFlow/Tool/NodeMethodDetailsHelper.cs
@@ -267,7 +267,7 @@ public static class NodeMethodDetailsHelper
             #endregion
         }).ToArray();
 
-        foreach(var pd in tempParams)
+       /* foreach(var pd in tempParams)
         {
             var argType = pd.DataType;
             // 运行环境
@@ -285,9 +285,8 @@ public static class NodeMethodDetailsHelper
             {
                 continue;
             }
-            pd.IsExplicitData = true;
             
-        }
+        }*/
        
         return tempParams;
     }
@@ -311,7 +310,26 @@ public static class NodeMethodDetailsHelper
         {
             dataType = parameterInfo.ParameterType;
         }
-        var description = parameterInfo.GetCustomAttribute<DescriptionAttribute>()?.Description ?? "";
+        isExplicitData = true;
+        string description = string.Empty; // 入参描述
+        var nodeParmsAttribute = parameterInfo.GetCustomAttribute<NodeParamAttribute>();
+        if(nodeParmsAttribute is not null)
+        {
+            if (!parameterInfo.HasDefaultValue)
+            {
+                isExplicitData  = nodeParmsAttribute.IsExplicit; // 设置是否是显式参数
+            }
+            if (string.IsNullOrEmpty(nodeParmsAttribute.Name)) 
+            {
+                description = nodeParmsAttribute.Name; // 设置显示的名称
+            }
+            
+        }
+        else
+        {
+            description = parameterInfo.GetCustomAttribute<DescriptionAttribute>()?.Description ?? string.Empty; // 判断是否存在注释特性
+        }
+        
 
         var inputType = GetInputType(explicitParemType);
         var items = GetExplicitItems(explicitParemType, inputType);
diff --git a/Workbench/Services/WorkbenchEventService.cs b/Workbench/Services/WorkbenchEventService.cs
index 7e91d60..33bbd94 100644
--- a/Workbench/Services/WorkbenchEventService.cs
+++ b/Workbench/Services/WorkbenchEventService.cs
@@ -68,9 +68,9 @@ namespace Serein.Workbench.Services
         /// <param name="keyEventService"></param>
         /// <param name="flowNodeService"></param>
         public WorkbenchEventService(IFlowEnvironment flowEnvironment, 
-            IFlowEEForwardingService flowEEForwardingService,
-            IKeyEventService keyEventService,
-            FlowNodeService flowNodeService)
+                                     IFlowEEForwardingService flowEEForwardingService,
+                                     IKeyEventService keyEventService,
+                                     FlowNodeService flowNodeService)
         {
             this.flowEnvironment = flowEnvironment;
             this.flowEEForwardingService = flowEEForwardingService;
@@ -81,11 +81,17 @@ namespace Serein.Workbench.Services
 
         private void InitEvents()
         {
+            flowEEForwardingService.OnProjectLoaded += FlowEEForwardingService_OnProjectLoaded;
             flowEEForwardingService.OnProjectSaving += SaveProjectToLocalFile;
             flowEEForwardingService.OnEnvOut += FlowEEForwardingService_OnEnvOut;
             keyEventService.OnKeyDown += KeyEventService_OnKeyDown; ;
         }
 
+        private void FlowEEForwardingService_OnProjectLoaded(ProjectLoadedEventArgs eventArgs)
+        {
+
+        }
+
         private void KeyEventService_OnKeyDown(System.Windows.Input.Key key)
         {