重构tree代码，降低代码复杂度

Masuit.Tools.Abstractions/Models/Tree.cs

@@ -2,13 +2,20 @@
 
 namespace Masuit.Tools.Models;
 
-public class Tree<T>
+/// <summary>
+/// 代表树形结构的类
+/// </summary>
+/// <typeparam name="T"></typeparam>
+public class Tree<T> : ITreeChildren<Tree<T>>
 {
     public Tree(T value)
     {
-        Value = value;
+        this.Value = value;
     }
 
+    /// <summary>
+    /// 代表当前节点的值
+    /// </summary>
     public T Value { get; set; }
 
     /// <summary>
@@ -20,4 +27,4 @@ public class Tree<T>
     /// 子级
     /// </summary>
     public virtual ICollection<Tree<T>> Children { get; set; }
-}
+}