Merge branch 'CJL' into wxr4

wxr

2021-05-12 9acd3887f1f8db40d59f991b1726a61aa7c7637c

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using System;
using System.Collections.Generic;
 
namespace HDL_ON.Entity
{
    public class Fan
    {
        public Fan()
        {
        }
 
 
    }
}