优化了脚本生成AST时的代码提示，增加了脚本运行时错误提示。

Library/Utils/DynamicObjectHelper.cs

@@ -16,6 +16,20 @@ namespace Serein.Library.Utils
         // 类型缓存，键为类型的唯一名称（可以根据实际需求调整生成方式）
         static Dictionary<string, Type> typeCache = new Dictionary<string, Type>();
 
+        /// <summary>
+        /// 获取运行时创建过的类型
+        /// </summary>
+        /// <param name="className"></param>
+        /// <returns></returns>
+        public static Type GetCacheType(string className)
+        {
+            if(typeCache.TryGetValue(className, out var type))
+            {
+                return type;
+            }
+            return null;
+        }
+
         public static object Resolve(IDictionary<string, object> properties, string typeName)
         {
             var obj = CreateObjectWithProperties(properties, typeName);

Library/Utils/SereinEnv.cs

@@ -101,8 +101,6 @@ namespace Serein.Library
         #endregion
 
 
-
-
         /// <summary>
         /// 设置运行流程
         /// </summary>
@@ -138,8 +136,35 @@ namespace Serein.Library
         }
 
 
-        
 
+        /// <summary>
+        /// 尝试在UI线程上触发事件
+        /// </summary>
+        /// <param name="action"></param>
+        /// <returns></returns>
+        public async static Task TriggerEvent(Action action)
+        {
+            if (environment is null)
+            {
+                action?.Invoke();
+            }
+            else
+            {
+                var uco = environment.UIContextOperation;
+                if (uco is null)
+                {
+                    action?.Invoke();
+                }
+                else
+                {
+                    await uco.InvokeAsync(() =>
+                    {
+                        action?.Invoke();
+                    });
+                }
+            }
+           
+        }
 
     }