凯撒加密的改进算法（C#版）

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace move
{
    class Program
    {
        #region//定义移动任意位函数
        static void move(string s,int n)
        {
            int m = n % 26;
            char[] move = new char[s.Length];
            string s1 = "abcdefghijklmnopqrstuvwxyz";
            for (int i = 0; i < s.Length;i++ )
            {
                if (s[