重写脚本解释器的实现，提高其可读性。

Serein.Script/Node/ValueNode/BooleanNode.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Serein.Script.Node
+{
+    /// <summary>
+    /// 布尔字面量
+    /// </summary>
+    public class BooleanNode : ASTNode
+    {
+        public bool Value { get; }
+        public BooleanNode(bool value) => Value = value;
+    }
+}

Serein.Script/Node/ValueNode/CharNode.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Serein.Script.Node
+{
+    internal class CharNode : ASTNode
+    {
+        public char Value { get; }
+        public CharNode(string value)
+        {
+            Value = char.Parse(value);
+        }
+    }
+}

Serein.Script/Node/ValueNode/NullNode.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Serein.Script.Node
+{
+    /// <summary>
+    /// Null节点
+    /// </summary>
+    public class NullNode : ASTNode
+    {
+    }
+}

Serein.Script/Node/ValueNode/NumberNode.cs

@@ -0,0 +1,90 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Serein.Script.Node
+{
+    /// <summary>
+    /// 数值型节点
+    /// </summary>
+    public abstract class NumberNode<T> : ASTNode where T : struct, IComparable<T>
+    {
+        public T Value { get; }
+        public NumberNode(T value) => Value = value;
+    }
+
+
+    /// <summary>
+    /// int 整数型字面量
+    /// </summary>
+    public class NumberIntNode(int vlaue) : NumberNode<int>(vlaue)
+    {
+    }
+    
+    /// <summary>
+    /// int 整数型字面量
+    /// </summary>
+    public class NumberLongNode(long vlaue) : NumberNode<long>(vlaue)
+    {
+    }
+    
+    /// <summary>
+    /// int 整数型字面量
+    /// </summary>
+    public class NumberFloatNode(float vlaue) : NumberNode<float>(vlaue)
+    {
+    }
+    
+    /// <summary>
+    /// int 整数型字面量
+    /// </summary>
+    public class NumberDoubleNode(double vlaue) : NumberNode<double>(vlaue)
+    {
+    }
+
+
+
+
+    /*/// <summary>
+    /// int 整数型字面量
+    /// </summary>
+    public class NumberIntNode : ASTNode
+    {
+        public int Value { get; }
+        public NumberIntNode(int value) => Value = value;
+    }
+    
+
+    /// <summary>
+    /// int 整数型字面量
+    /// </summary>
+    public class NumberLongNode : ASTNode
+    {
+        public long Value { get; }
+        public NumberLongNode(long value) => Value = value;
+    }
+    
+
+    /// <summary>
+    /// int 整数型字面量
+    /// </summary>
+    public class NumberFloatNode : ASTNode
+    {
+        public float Value { get; }
+        public NumberFloatNode(float value) => Value = value;
+    }
+    
+
+    /// <summary>
+    /// int 整数型字面量
+    /// </summary>
+    public class NumberDoubleNode : ASTNode
+    {
+        public double Value { get; }
+        public NumberDoubleNode(double value) => Value = value;
+    }*/
+
+
+}

Serein.Script/Node/ValueNode/StringNode.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Serein.Script.Node
+{
+    /// <summary>
+    /// 字符串字面量节点
+    /// </summary>
+    public class StringNode : ASTNode
+    {
+        public string Value { get; }
+
+        public StringNode(string input)
+        {
+            // 使用 StringBuilder 来构建输出
+            StringBuilder output = new StringBuilder(input.Length);
+
+            for (int i = 0; i < input.Length; i++)
+            {
+                if (i < input.Length - 1 && input[i] == '\\')  // 找到反斜杠
+                {
+                    char nextChar = input[i + 1];
+
+                    // 处理转义符
+                    switch (nextChar)
+                    {
+                        case 'r':
+                            output.Append('\r');
+                            i++;  // 跳过 'r'
+                            break;
+                        case 'n':
+                            output.Append('\n');
+                            i++;  // 跳过 'n'
+                            break;
+                        case 't':
+                            output.Append('\t');
+                            i++;  // 跳过 't'
+                            break;
+                        case '\\':  // 字面量反斜杠
+                            output.Append('\\');
+                            i++;  // 跳过第二个 '\\'
+                            break;
+                        default:
+                            output.Append(input[i]);  // 不是转义符，保留反斜杠
+                            break;
+                    }
+                }
+                else
+                {
+                    output.Append(input[i]);  // 其他字符直接添加
+                }
+            }
+            Value = output.ToString();
+        }
+    }
+
+
+}