diff --git a/Hua.Dotnet.Code.sln b/Hua.Dotnet.Code.sln
new file mode 100644
index 0000000..49e4daf
--- /dev/null
+++ b/Hua.Dotnet.Code.sln
@@ -0,0 +1,39 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.14.36212.18
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{02EA681E-C7D8-13C7-8484-4AC65E1B71E8}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "test", "test", "{7FAF528A-A606-4558-9300-4E62DC6B36F1}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Hua.DotNet.Code", "src\Hua.Dotnet.Code\Hua.DotNet.Code.csproj", "{2ADCA6AB-5E13-35AD-57F0-9C010636F1EC}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Hua.Dotnet.Code.Test", "test\Hua.Dotnet.Code.Test\Hua.Dotnet.Code.Test.csproj", "{B6421CF3-CB5F-89D4-C388-BD8E27089990}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{2ADCA6AB-5E13-35AD-57F0-9C010636F1EC}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{2ADCA6AB-5E13-35AD-57F0-9C010636F1EC}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{2ADCA6AB-5E13-35AD-57F0-9C010636F1EC}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{2ADCA6AB-5E13-35AD-57F0-9C010636F1EC}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B6421CF3-CB5F-89D4-C388-BD8E27089990}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B6421CF3-CB5F-89D4-C388-BD8E27089990}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B6421CF3-CB5F-89D4-C388-BD8E27089990}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B6421CF3-CB5F-89D4-C388-BD8E27089990}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(NestedProjects) = preSolution
+		{2ADCA6AB-5E13-35AD-57F0-9C010636F1EC} = {02EA681E-C7D8-13C7-8484-4AC65E1B71E8}
+		{B6421CF3-CB5F-89D4-C388-BD8E27089990} = {7FAF528A-A606-4558-9300-4E62DC6B36F1}
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {523CC539-A05F-4F3B-9833-E15A0AFF3584}
+	EndGlobalSection
+EndGlobal
diff --git a/src/Hua.Dotnet.Code/Extension/Ex.cs b/src/Hua.Dotnet.Code/Extension/Ex.cs
new file mode 100644
index 0000000..9a13720
--- /dev/null
+++ b/src/Hua.Dotnet.Code/Extension/Ex.cs
@@ -0,0 +1,720 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+using System.Globalization;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Reflection;
+using System.Text;
+using System.Text.RegularExpressions;
+
+namespace Hua.DotNet.Code.Extension;
+
+public static class Ex
+{
+	private class ParameterRebinder : ExpressionVisitor
+	{
+		private readonly Dictionary<ParameterExpression, ParameterExpression> map;
+
+		private ParameterRebinder(Dictionary<ParameterExpression, ParameterExpression> map)
+		{
+			this.map = map ?? new Dictionary<ParameterExpression, ParameterExpression>();
+		}
+
+		public static Expression ReplaceParameters(Dictionary<ParameterExpression, ParameterExpression> map, Expression exp)
+		{
+			return new ParameterRebinder(map).Visit(exp);
+		}
+
+		protected override Expression VisitParameter(ParameterExpression p)
+		{
+			if (map.TryGetValue(p, out ParameterExpression value))
+			{
+				p = value;
+			}
+			return base.VisitParameter(p);
+		}
+	}
+
+	public static long ToLong(this object obj)
+	{
+		try
+		{
+			return long.Parse(obj.ToString());
+		}
+		catch
+		{
+			return 0L;
+		}
+	}
+
+	public static long ToLong(this string str, long defaultValue)
+	{
+		try
+		{
+			return long.Parse(str);
+		}
+		catch
+		{
+			return defaultValue;
+		}
+	}
+
+	public static int ToInt(this object str)
+	{
+		try
+		{
+			return Convert.ToInt32(str);
+		}
+		catch
+		{
+			return 0;
+		}
+	}
+
+	public static int ToInt(this object? str, int defaultValue)
+	{
+		if (str == null)
+		{
+			return defaultValue;
+		}
+		try
+		{
+			return Convert.ToInt32(str);
+		}
+		catch
+		{
+			return defaultValue;
+		}
+	}
+
+	public static short ToShort(this object obj)
+	{
+		try
+		{
+			return short.Parse(obj.ToString());
+		}
+		catch
+		{
+			return 0;
+		}
+	}
+
+	public static short ToShort(this object str, short defaultValue)
+	{
+		try
+		{
+			return short.Parse(str.ToString());
+		}
+		catch
+		{
+			return defaultValue;
+		}
+	}
+
+	public static decimal ToDecimal(this object str, decimal defaultValue)
+	{
+		try
+		{
+			return decimal.Parse(str.ToString());
+		}
+		catch
+		{
+			return defaultValue;
+		}
+	}
+
+	public static decimal ToDecimal(this object str)
+	{
+		try
+		{
+			return decimal.Parse(str.ToString());
+		}
+		catch
+		{
+			return 0m;
+		}
+	}
+
+	public static bool ToBool(this object str)
+	{
+		try
+		{
+			return bool.Parse(str.ToString());
+		}
+		catch
+		{
+			return false;
+		}
+	}
+
+	public static bool ToBool(this object str, bool result)
+	{
+		try
+		{
+			return bool.Parse(str.ToString());
+		}
+		catch
+		{
+			return result;
+		}
+	}
+
+	public static float ToFloat(this object str)
+	{
+		try
+		{
+			return float.Parse(str.ToString());
+		}
+		catch
+		{
+			return 0f;
+		}
+	}
+
+	public static float ToFloat(this object str, float result)
+	{
+		try
+		{
+			return float.Parse(str.ToString());
+		}
+		catch
+		{
+			return result;
+		}
+	}
+
+	public static Guid ToGuid(this string str)
+	{
+		try
+		{
+			return new Guid(str);
+		}
+		catch
+		{
+			return Guid.Empty;
+		}
+	}
+
+	public static DateTime ToDateTime(this string str)
+	{
+		try
+		{
+			if (string.IsNullOrWhiteSpace(str))
+			{
+				return DateTime.MinValue;
+			}
+			if (str.Contains("-") || str.Contains("/"))
+			{
+				return DateTime.Parse(str);
+			}
+			return str.Length switch
+			{
+				4 => DateTime.ParseExact(str, "yyyy", CultureInfo.CurrentCulture), 
+				6 => DateTime.ParseExact(str, "yyyyMM", CultureInfo.CurrentCulture), 
+				8 => DateTime.ParseExact(str, "yyyyMMdd", CultureInfo.CurrentCulture), 
+				10 => DateTime.ParseExact(str, "yyyyMMddHH", CultureInfo.CurrentCulture), 
+				12 => DateTime.ParseExact(str, "yyyyMMddHHmm", CultureInfo.CurrentCulture), 
+				14 => DateTime.ParseExact(str, "yyyyMMddHHmmss", CultureInfo.CurrentCulture), 
+				_ => DateTime.ParseExact(str, "yyyyMMddHHmmss", CultureInfo.CurrentCulture), 
+			};
+		}
+		catch
+		{
+			return DateTime.MinValue;
+		}
+	}
+
+	public static DateTime ToDateTime(this string str, DateTime? defaultValue)
+	{
+		try
+		{
+			if (string.IsNullOrWhiteSpace(str))
+			{
+				return defaultValue.GetValueOrDefault();
+			}
+			if (str.Contains("-") || str.Contains("/"))
+			{
+				return DateTime.Parse(str);
+			}
+			return str.Length switch
+			{
+				4 => DateTime.ParseExact(str, "yyyy", CultureInfo.CurrentCulture), 
+				6 => DateTime.ParseExact(str, "yyyyMM", CultureInfo.CurrentCulture), 
+				8 => DateTime.ParseExact(str, "yyyyMMdd", CultureInfo.CurrentCulture), 
+				10 => DateTime.ParseExact(str, "yyyyMMddHH", CultureInfo.CurrentCulture), 
+				12 => DateTime.ParseExact(str, "yyyyMMddHHmm", CultureInfo.CurrentCulture), 
+				14 => DateTime.ParseExact(str, "yyyyMMddHHmmss", CultureInfo.CurrentCulture), 
+				_ => DateTime.ParseExact(str, "yyyyMMddHHmmss", CultureInfo.CurrentCulture), 
+			};
+		}
+		catch
+		{
+			return defaultValue.GetValueOrDefault();
+		}
+	}
+
+	public static string ToString(this object? obj)
+	{
+		try
+		{
+			return (obj == null) ? string.Empty : obj.ToString();
+		}
+		catch
+		{
+			return string.Empty;
+		}
+	}
+
+	public static string ToStrings<T>(this object obj)
+	{
+		try
+		{
+			if (obj is IEnumerable<T> values)
+			{
+				return string.Join(",", values);
+			}
+			return obj.ToString();
+		}
+		catch
+		{
+			return string.Empty;
+		}
+	}
+
+	public static double ToDouble(this object obj)
+	{
+		try
+		{
+			return double.Parse(obj.ToString());
+		}
+		catch
+		{
+			return 0.0;
+		}
+	}
+
+	public static double ToDouble(this object str, double defaultValue)
+	{
+		try
+		{
+			return double.Parse(str.ToString());
+		}
+		catch
+		{
+			return defaultValue;
+		}
+	}
+
+	public static IEnumerable<TResult> CastSuper<TResult>(this IEnumerable source)
+	{
+		return from object item in source
+			select (TResult)Convert.ChangeType(item, typeof(TResult));
+	}
+
+	public static string Description(this object obj)
+	{
+		object obj2 = obj;
+		Type type = obj2.GetType();
+		if (!type.IsEnum)
+		{
+			return type.GetCustomAttribute<DescriptionAttribute>()?.Description ?? type.Name;
+		}
+		return type.GetFields().First((FieldInfo m) => m.Name == Enum.GetName(type, obj2)).GetCustomAttribute<DescriptionAttribute>()?.Description ?? type.Name;
+	}
+
+	public static string Description(this PropertyInfo value)
+	{
+		return value.GetCustomAttribute<DescriptionAttribute>()?.Description ?? value.Name;
+	}
+
+	public static string? DisplayName(this Enum enumValue)
+	{
+		string name = enumValue.ToString();
+		return enumValue.GetType().GetField(name)?.GetCustomAttribute<DisplayAttribute>()?.Name;
+	}
+
+	public static string DisplayName(this object obj)
+	{
+		object obj2 = obj;
+		Type type = obj2.GetType();
+		if (!type.IsEnum)
+		{
+			return type.GetCustomAttribute<DisplayAttribute>()?.Name ?? type.GetCustomAttribute<DisplayNameAttribute>()?.DisplayName ?? type.Name;
+		}
+		return type.GetFields().First((FieldInfo m) => m.Name == Enum.GetName(type, obj2)).GetCustomAttribute<DisplayAttribute>()?.Name ?? type.Name;
+	}
+
+	public static string DisplayName(this PropertyInfo value)
+	{
+		return value.GetCustomAttribute<DisplayAttribute>()?.Name ?? value.GetCustomAttribute<DisplayNameAttribute>()?.DisplayName ?? value.Name;
+	}
+
+	public static Dictionary<int, string> Dictionary(this Type enumType)
+	{
+		Dictionary<int, string> dictionary = new Dictionary<int, string>();
+		Type typeFromHandle = typeof(DescriptionAttribute);
+		FieldInfo[] fields = enumType.GetFields();
+		foreach (FieldInfo fieldInfo in fields)
+		{
+			if (fieldInfo.FieldType.IsEnum)
+			{
+				int key = (int)enumType.InvokeMember(fieldInfo.Name, BindingFlags.GetField, null, null, null);
+				object[] customAttributes = fieldInfo.GetCustomAttributes(typeFromHandle, inherit: true);
+				string value = ((customAttributes.Length == 0) ? fieldInfo.Name : ((DescriptionAttribute)customAttributes[0]).Description);
+				dictionary.Add(key, value);
+			}
+		}
+		return dictionary;
+	}
+
+	public static Expression Property(this Expression expression, string propertyName)
+	{
+		return Expression.Property(expression, propertyName);
+	}
+
+	public static Expression AndAlso(this Expression left, Expression right)
+	{
+		return Expression.AndAlso(left, right);
+	}
+
+	public static Expression Call(this Expression instance, string methodName, params Expression[] arguments)
+	{
+		return Expression.Call(instance, instance.Type.GetMethod(methodName), arguments);
+	}
+
+	public static Expression GreaterThan(this Expression left, Expression right)
+	{
+		return Expression.GreaterThan(left, right);
+	}
+
+	public static Expression<T> ToLambda<T>(this Expression body, params ParameterExpression[] parameters)
+	{
+		return Expression.Lambda<T>(body, parameters);
+	}
+
+	public static Expression<Func<T, bool>> True<T>()
+	{
+		return (T param) => true;
+	}
+
+	public static Expression<Func<T, bool>> False<T>()
+	{
+		return (T param) => false;
+	}
+
+	public static Expression<Func<T, bool>> And<T>(this Expression<Func<T, bool>> first, Expression<Func<T, bool>> second)
+	{
+		return first.Compose(second, Expression.AndAlso);
+	}
+
+	public static Expression<Func<T, bool>> Or<T>(this Expression<Func<T, bool>> first, Expression<Func<T, bool>> second)
+	{
+		return first.Compose(second, Expression.OrElse);
+	}
+
+	private static Expression<T> Compose<T>(this Expression<T> first, Expression<T> second, Func<Expression, Expression, Expression> merge)
+	{
+		Expression<T> second2 = second;
+		Expression arg = ParameterRebinder.ReplaceParameters(first.Parameters.Select((ParameterExpression f, int i) => new
+		{
+			f = f,
+			s = second2.Parameters[i]
+		}).ToDictionary(p => p.s, p => p.f), second2.Body);
+		return Expression.Lambda<T>(merge(first.Body, arg), first.Parameters);
+	}
+
+	public static string ToSmallCamelCase(string name)
+	{
+		StringBuilder stringBuilder = new StringBuilder();
+		stringBuilder.Append(name.Substring(0, 1).ToLower());
+		for (int i = 0; i < name.Length; i++)
+		{
+			if (i == 0)
+			{
+				stringBuilder.Append(name.Substring(0, 1).ToLower());
+			}
+			else if (name[i] >= 'A' && name[i] <= 'Z')
+			{
+				stringBuilder.Append("_" + name.Substring(i, 1).ToLower());
+			}
+			else
+			{
+				stringBuilder.Append(name[i]);
+			}
+		}
+		return stringBuilder.ToString();
+	}
+
+	public static string UnderScoreToCamelCase(this string underscore)
+	{
+		string[] array = underscore.Split('_');
+		if (array.Length == 1)
+		{
+			return underscore;
+		}
+		StringBuilder stringBuilder = new StringBuilder();
+		stringBuilder.Append(array[0]);
+		for (int i = 1; i < array.Length; i++)
+		{
+			stringBuilder.Append(array[i].FirstCharToUp());
+		}
+		return stringBuilder.ToString();
+	}
+
+	public static string FirstCharToUp(this string str)
+	{
+		if (!string.IsNullOrEmpty(str))
+		{
+			return str.Substring(0, 1).ToUpper() + str.Substring(1, str.Length - 1);
+		}
+		return str;
+	}
+
+	public static string FirstCharToLower(this string str)
+	{
+		if (!string.IsNullOrEmpty(str))
+		{
+			return str.Substring(0, 1).ToLower() + str.Substring(1, str.Length - 1);
+		}
+		return str;
+	}
+
+	public static string ConvertToPascal(this string fieldName, string fieldDelimiter)
+	{
+		string empty = string.Empty;
+		if (fieldName.Contains(fieldDelimiter))
+		{
+			return fieldName.ToLower().Split(fieldDelimiter.ToCharArray()).Aggregate(empty, (string current, string t) => current + t.Substring(0, 1).ToUpper() + t.Substring(1, t.Length - 1));
+		}
+		if (string.IsNullOrWhiteSpace(fieldName))
+		{
+			return fieldName;
+		}
+		if (fieldName.Length == 1)
+		{
+			return fieldName.ToUpper();
+		}
+		if (fieldName.Length == fieldName.CountUpper())
+		{
+			return fieldName.Substring(0, 1).ToUpper() + fieldName.Substring(1, fieldName.Length - 1).ToLower();
+		}
+		return fieldName.Substring(0, 1).ToUpper() + fieldName.Substring(1, fieldName.Length - 1);
+	}
+
+	public static string ConvertToCamel(this string fieldName, string fieldDelimiter)
+	{
+		string text = fieldName.ConvertToPascal(fieldDelimiter);
+		if (text.Length == 1)
+		{
+			return text.ToLower();
+		}
+		return text.Substring(0, 1).ToLower() + text.Substring(1, text.Length - 1);
+	}
+
+	public static string ToSbc(this string input)
+	{
+		char[] array = input.ToCharArray();
+		for (int i = 0; i < array.Length; i++)
+		{
+			if (array[i] == ' ')
+			{
+				array[i] = '\u3000';
+			}
+			else if (array[i] < '\u007f')
+			{
+				array[i] = (char)(array[i] + 65248);
+			}
+		}
+		return new string(array);
+	}
+
+	public static string ToDbc(this string input)
+	{
+		char[] array = input.ToCharArray();
+		for (int i = 0; i < array.Length; i++)
+		{
+			if (array[i] == '\u3000')
+			{
+				array[i] = ' ';
+			}
+			else if (array[i] > '\uff00' && array[i] < '｟')
+			{
+				array[i] = (char)(array[i] - 65248);
+			}
+		}
+		return new string(array);
+	}
+
+	public static string HtmlToTxt(this string strHtml)
+	{
+		string[] obj = new string[15]
+		{
+			"<script[^>]*?>.*?</script>", "<(\\/\\srcStr*)?!?((\\w+:)?\\w+)(\\w+(\\srcStr*=?\\srcStr*(([\"'])(\\\\[\"'tbnr]|[^\\7])*?\\7|\\w+)|.{0})|\\srcStr)*?(\\/\\srcStr*)?>", "([\\r\\n])[\\srcStr]+", "&(quot|#34);", "&(amp|#38);", "&(lt|#60);", "&(gt|#62);", "&(nbsp|#160);", "&(iexcl|#161);", "&(cent|#162);",
+			"&(pound|#163);", "&(copy|#169);", "&#(\\d+);", "-->", "<!--.*\\n"
+		};
+		_ = obj[0];
+		return obj.Select((string t) => new Regex(t, RegexOptions.IgnoreCase)).Aggregate(strHtml, (string current, Regex regex) => regex.Replace(current, string.Empty)).Replace("<", "")
+			.Replace(">", "")
+			.Replace("\r\n", "");
+	}
+
+	public static string Base64Encode(this string src)
+	{
+		return Convert.ToBase64String(Encoding.UTF8.GetBytes(src));
+	}
+
+	public static string Base64DeCode(this string src)
+	{
+		byte[] bytes = Convert.FromBase64String(src);
+		return Encoding.UTF8.GetString(bytes);
+	}
+
+	public static bool HasChinese(this string str)
+	{
+		return Regex.IsMatch(str, "[\\u4e00-\\u9fa5]");
+	}
+
+	public static string TrimStartStr(this string s, string searchStr)
+	{
+		string text = s;
+		try
+		{
+			if (string.IsNullOrEmpty(text))
+			{
+				return text;
+			}
+			if (s.Length < searchStr.Length)
+			{
+				return text;
+			}
+			if (s.IndexOf(searchStr, 0, searchStr.Length, StringComparison.Ordinal) > -1)
+			{
+				text = s.Substring(searchStr.Length, s.Length - searchStr.Length);
+			}
+			return text;
+		}
+		catch (Exception)
+		{
+			return text;
+		}
+	}
+
+	public static string TrimEndStr(this string srcStr, string desStr)
+	{
+		return srcStr.Substring(0, srcStr.Length - desStr.Length);
+	}
+
+	public static string ReplaceFirstStr(this string input, string oldValue, string? newValue)
+	{
+		return new Regex(oldValue, RegexOptions.Multiline).Replace(input, newValue ?? "", 1);
+	}
+
+	public static List<string> GetSubStringList(this string oStr, char split)
+	{
+		return (from s in oStr.Split(split)
+			where !string.IsNullOrEmpty(s) && s != split.ToString()
+			select s).ToList();
+	}
+
+	public static string[]? SplitMulti(this string str, string splitStr)
+	{
+		string[] result = null;
+		if (!string.IsNullOrEmpty(str))
+		{
+			result = new Regex(splitStr).Split(str);
+		}
+		return result;
+	}
+
+	public static string SubstringBetween(this string src, string startStr, string endStr)
+	{
+		string result = string.Empty;
+		try
+		{
+			int num = src.IndexOf(startStr, StringComparison.Ordinal);
+			if (num == -1)
+			{
+				return result;
+			}
+			string text = src.Substring(num + startStr.Length);
+			int num2 = text.IndexOf(endStr, StringComparison.Ordinal);
+			if (num2 == -1)
+			{
+				return result;
+			}
+			result = text.Remove(num2);
+		}
+		catch (Exception ex)
+		{
+			Console.WriteLine("MidStrEx Err:" + ex.Message);
+		}
+		return result;
+	}
+
+	public static bool IsMatch(this string str, string express)
+	{
+		if (string.IsNullOrEmpty(str))
+		{
+			return false;
+		}
+		Regex regex = new Regex(express);
+		if (str.Length != 0)
+		{
+			return regex.IsMatch(str);
+		}
+		return false;
+	}
+
+	public static bool IsNullOrEmpty(this string str)
+	{
+		return string.IsNullOrEmpty(str);
+	}
+
+	public static bool IsNullOrEmpty(object? data)
+	{
+		if (data == null || (data is string && string.IsNullOrEmpty(data.ToString().Trim())))
+		{
+			return true;
+		}
+		return data is DBNull;
+	}
+
+	public static int CountUpper(this string str)
+	{
+		int num = 0;
+		char[] array = str.ToCharArray();
+		foreach (char c in array)
+		{
+			if (c >= 'A' && c <= 'Z')
+			{
+				num++;
+			}
+		}
+		return num;
+	}
+
+	public static bool IsNullOrEmpty<T>(T t)
+	{
+		if (t == null)
+		{
+			return true;
+		}
+		if (!(t is string))
+		{
+			return t is DBNull;
+		}
+		if (string.IsNullOrEmpty(t.ToString().Trim()))
+		{
+			return true;
+		}
+		return t is DBNull;
+	}
+
+	public static List<PropertyInfo>? GetProperties<T>(this T t)
+	{
+		return t?.GetType().GetProperties(BindingFlags.Instance | BindingFlags.Public).ToList();
+	}
+}
diff --git a/src/Hua.Dotnet.Code/Helper/AssemblyHelper.cs b/src/Hua.Dotnet.Code/Helper/AssemblyHelper.cs
new file mode 100644
index 0000000..75e8087
--- /dev/null
+++ b/src/Hua.Dotnet.Code/Helper/AssemblyHelper.cs
@@ -0,0 +1,21 @@
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+
+namespace Hua.DotNet.Code.Helper;
+
+public static class AssemblyHelper
+{
+	public static List<Assembly> GetAllAssembliesInFolder(string folderPath, SearchOption searchOption)
+	{
+		return (from s in Directory.EnumerateFiles(folderPath, "*.*", searchOption)
+			where s.EndsWith(".dll") || s.EndsWith(".exe")
+			select s).Select(Assembly.LoadFile).ToList();
+	}
+
+	public static string? InformationalVersion(this Assembly assembly)
+	{
+		return assembly?.GetCustomAttribute<AssemblyInformationalVersionAttribute>()?.InformationalVersion;
+	}
+}
diff --git a/src/Hua.Dotnet.Code/Helper/ComputerHelper.cs b/src/Hua.Dotnet.Code/Helper/ComputerHelper.cs
new file mode 100644
index 0000000..b0f6b47
--- /dev/null
+++ b/src/Hua.Dotnet.Code/Helper/ComputerHelper.cs
@@ -0,0 +1,134 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Runtime.InteropServices;
+using Hua.DotNet.Code.Extension;
+
+namespace Hua.DotNet.Code.Helper;
+
+public class ComputerHelper
+{
+	public static MemoryMetrics GetComputerInfo()
+	{
+		try
+		{
+			MemoryMetricsClient memoryMetricsClient = new MemoryMetricsClient();
+			MemoryMetrics memoryMetrics = (IsUnix() ? memoryMetricsClient.GetUnixMetrics() : memoryMetricsClient.GetWindowsMetrics());
+			memoryMetrics.FreeRam = Math.Round(memoryMetrics.Free / 1024.0, 2) + "GB";
+			memoryMetrics.UsedRam = Math.Round(memoryMetrics.Used / 1024.0, 2) + "GB";
+			memoryMetrics.TotalRAM = Math.Round(memoryMetrics.Total / 1024.0, 2) + "GB";
+			memoryMetrics.RAMRate = Math.Ceiling(100.0 * memoryMetrics.Used / memoryMetrics.Total).ToString(CultureInfo.InvariantCulture) + "%";
+			memoryMetrics.CPURate = Math.Ceiling(GetCPURate().ToDouble()) + "%";
+			return memoryMetrics;
+		}
+		catch (Exception ex)
+		{
+			LogHelper.Log("获取内存使用出错，msg=" + ex.Message + "," + ex.StackTrace);
+		}
+		return new MemoryMetrics();
+	}
+
+	public static List<DiskInfo> GetDiskInfos()
+	{
+		List<DiskInfo> list = new List<DiskInfo>();
+		if (IsUnix())
+		{
+			try
+			{
+				string[] array = ShellHelper.Bash("df -m / | awk '{print $2,$3,$4,$5,$6}'").Split('\n');
+				if (array.Length == 0)
+				{
+					return list;
+				}
+				string[] array2 = array[1].Split(' ', '\u0001');
+				if (array2.Length == 0)
+				{
+					return list;
+				}
+				DiskInfo item = new DiskInfo
+				{
+					DiskName = "/",
+					TotalSize = long.Parse(array2[0]) / 1024,
+					Used = long.Parse(array2[1]) / 1024,
+					AvailableFreeSpace = long.Parse(array2[2]) / 1024,
+					AvailablePercent = decimal.Parse(array2[3].Replace("%", ""))
+				};
+				list.Add(item);
+			}
+			catch (Exception ex)
+			{
+				LogHelper.Log("获取磁盘信息出错了" + ex.Message);
+			}
+		}
+		else
+		{
+			DriveInfo[] drives = DriveInfo.GetDrives();
+			foreach (DriveInfo driveInfo in drives)
+			{
+				try
+				{
+					DiskInfo diskInfo = new DiskInfo
+					{
+						DiskName = driveInfo.Name,
+						TypeName = driveInfo.DriveType.ToString(),
+						TotalSize = driveInfo.TotalSize / 1024 / 1024 / 1024,
+						AvailableFreeSpace = driveInfo.AvailableFreeSpace / 1024 / 1024 / 1024
+					};
+					diskInfo.Used = diskInfo.TotalSize - diskInfo.AvailableFreeSpace;
+					diskInfo.AvailablePercent = decimal.Ceiling((decimal)diskInfo.Used / (decimal)diskInfo.TotalSize * 100m);
+					list.Add(diskInfo);
+				}
+				catch (Exception ex2)
+				{
+					LogHelper.Log("获取磁盘信息出错了" + ex2.Message);
+				}
+			}
+		}
+		return list;
+	}
+
+	public static bool IsUnix()
+	{
+		if (!RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
+		{
+			return RuntimeInformation.IsOSPlatform(OSPlatform.Linux);
+		}
+		return true;
+	}
+
+	public static string GetCPURate()
+	{
+		if (IsUnix())
+		{
+			return ShellHelper.Bash("top -b -n1 | grep \"Cpu(s)\" | awk '{print $2 + $4}'").Trim();
+		}
+		return ShellHelper.Cmd("wmic", "cpu get LoadPercentage").Replace("LoadPercentage", string.Empty).Trim();
+	}
+
+	public static string GetRunTime()
+	{
+		string result = string.Empty;
+		try
+		{
+			if (IsUnix())
+			{
+				string str = ShellHelper.Bash("uptime -s").Trim();
+				result = DateTimeHelper.FormatTime((DateTime.Now - str.ToDateTime()).TotalMilliseconds.ToString().Split('.')[0].ToLong());
+			}
+			else
+			{
+				string[] array = ShellHelper.Cmd("wmic", "OS get LastBootUpTime/Value").Split('=', '\u0001');
+				if (array.Length == 2)
+				{
+					result = DateTimeHelper.FormatTime((DateTime.Now - array[1].Split('.')[0].ToDateTime()).TotalMilliseconds.ToString(CultureInfo.InvariantCulture).Split('.')[0].ToLong());
+				}
+			}
+		}
+		catch (Exception ex)
+		{
+			LogHelper.Log("获取runTime出错" + ex.Message);
+		}
+		return result;
+	}
+}
diff --git a/src/Hua.Dotnet.Code/Helper/DateTimeHelper.cs b/src/Hua.Dotnet.Code/Helper/DateTimeHelper.cs
new file mode 100644
index 0000000..4162633
--- /dev/null
+++ b/src/Hua.Dotnet.Code/Helper/DateTimeHelper.cs
@@ -0,0 +1,83 @@
+using System;
+
+namespace Hua.DotNet.Code.Helper;
+
+public static class DateTimeHelper
+{
+	public static DateTime GetBeginTime(DateTime? dateTime, int days = 0)
+	{
+		if (dateTime == DateTime.MinValue || !dateTime.HasValue)
+		{
+			return DateTime.Now.AddDays(days);
+		}
+		return dateTime ?? DateTime.Now;
+	}
+
+	public static DateTime ToLocalTimeDateBySeconds(long unix)
+	{
+		return DateTimeOffset.FromUnixTimeSeconds(unix).ToLocalTime().DateTime;
+	}
+
+	public static long ToUnixTimestampBySeconds(DateTime dt)
+	{
+		return new DateTimeOffset(dt).ToUnixTimeSeconds();
+	}
+
+	public static DateTime ToLocalTimeDateByMilliseconds(long unix)
+	{
+		return DateTimeOffset.FromUnixTimeMilliseconds(unix).ToLocalTime().DateTime;
+	}
+
+	public static long ToUnixTimestampByMilliseconds(DateTime dt)
+	{
+		return new DateTimeOffset(dt).ToUnixTimeMilliseconds();
+	}
+
+	public static string FormatTime(long ms)
+	{
+		int num = 1000;
+		int num2 = num * 60;
+		int num3 = num2 * 60;
+		int num4 = num3 * 24;
+		long num5 = ms / num4;
+		long num6 = (ms - num5 * num4) / num3;
+		long num7 = (ms - num5 * num4 - num6 * num3) / num2;
+		long num8 = (ms - num5 * num4 - num6 * num3 - num7 * num2) / num;
+		long num9 = ms - num5 * num4 - num6 * num3 - num7 * num2 - num8 * num;
+		string text = ((num5 < 10) ? ("0" + num5) : (num5.ToString() ?? ""));
+		string text2 = ((num6 < 10) ? ("0" + num6) : (num6.ToString() ?? ""));
+		string text3 = ((num7 < 10) ? ("0" + num7) : (num7.ToString() ?? ""));
+		string text4 = ((num8 < 10) ? ("0" + num8) : (num8.ToString() ?? ""));
+		string text5 = ((num9 < 10) ? ("0" + num9) : (num9.ToString() ?? ""));
+		text5 = ((num9 < 100) ? ("0" + text5) : (text5 ?? ""));
+		return $"{text} 天 {text2} 小时 {text3} 分 {text4} 秒";
+	}
+
+	public static long GetUnixTimeStamp(DateTime dt)
+	{
+		return ((DateTimeOffset)dt).ToUnixTimeMilliseconds();
+	}
+
+	public static DateTime GetDayMinDate(DateTime dt)
+	{
+		return new DateTime(dt.Year, dt.Month, dt.Day, 0, 0, 0);
+	}
+
+	public static DateTime GetDayMaxDate(DateTime dt)
+	{
+		return new DateTime(dt.Year, dt.Month, dt.Day, 23, 59, 59);
+	}
+
+	public static string FormatDateTime(DateTime? dt)
+	{
+		if (dt.HasValue)
+		{
+			if (dt.Value.Year == DateTime.Now.Year)
+			{
+				return dt.Value.ToString("MM-dd HH:mm");
+			}
+			return dt.Value.ToString("yyyy-MM-dd HH:mm");
+		}
+		return string.Empty;
+	}
+}
diff --git a/src/Hua.Dotnet.Code/Helper/DiskInfo.cs b/src/Hua.Dotnet.Code/Helper/DiskInfo.cs
new file mode 100644
index 0000000..2e9a23a
--- /dev/null
+++ b/src/Hua.Dotnet.Code/Helper/DiskInfo.cs
@@ -0,0 +1,18 @@
+namespace Hua.DotNet.Code.Helper;
+
+public class DiskInfo
+{
+	public string DiskName { get; set; }
+
+	public string TypeName { get; set; }
+
+	public long TotalFree { get; set; }
+
+	public long TotalSize { get; set; }
+
+	public long Used { get; set; }
+
+	public long AvailableFreeSpace { get; set; }
+
+	public decimal AvailablePercent { get; set; }
+}
diff --git a/src/Hua.Dotnet.Code/Helper/FileHelper.cs b/src/Hua.Dotnet.Code/Helper/FileHelper.cs
new file mode 100644
index 0000000..fea8d76
--- /dev/null
+++ b/src/Hua.Dotnet.Code/Helper/FileHelper.cs
@@ -0,0 +1,132 @@
+using System;
+using System.IO;
+using System.IO.Compression;
+using System.Runtime.InteropServices;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace Hua.DotNet.Code.Helper;
+
+public class FileHelper
+{
+	public static string GetDirPath(string path = "")
+	{
+		string text = DateTime.Now.ToString("yyyyMMdd");
+		if (!string.IsNullOrEmpty(path))
+		{
+			text = Path.Combine(path, text);
+		}
+		return text;
+	}
+
+	public static string HashFileName(string str = null)
+	{
+		if (string.IsNullOrEmpty(str))
+		{
+			str = Guid.NewGuid().ToString();
+		}
+		return BitConverter.ToString(new MD5CryptoServiceProvider().ComputeHash(Encoding.Default.GetBytes(str)), 4, 8).Replace("-", "");
+	}
+
+	public static void DeleteDirectory(string file)
+	{
+		try
+		{
+			if (!Directory.Exists(file))
+			{
+				return;
+			}
+			new DirectoryInfo(file).Attributes = (FileAttributes)0;
+			string[] fileSystemEntries = Directory.GetFileSystemEntries(file);
+			foreach (string text in fileSystemEntries)
+			{
+				if (File.Exists(text))
+				{
+					File.SetAttributes(file, FileAttributes.Normal);
+					File.Delete(text);
+				}
+				else
+				{
+					DeleteDirectory(text);
+				}
+			}
+			Directory.Delete(file);
+		}
+		catch (Exception ex)
+		{
+			LogHelper.Log(ex.Message);
+		}
+	}
+
+	public static bool ZipGenCode(string zipPath, string genCodePath, string zipFileName)
+	{
+		if (string.IsNullOrEmpty(zipPath))
+		{
+			return false;
+		}
+		try
+		{
+			CreateDirectory(genCodePath);
+			string text = Path.Combine(zipPath, zipFileName);
+			if (File.Exists(text))
+			{
+				File.Delete(text);
+			}
+			ZipFile.CreateFromDirectory(genCodePath, text);
+			DeleteDirectory(genCodePath);
+			return true;
+		}
+		catch (Exception ex)
+		{
+			LogHelper.Log("压缩文件出错。", ex.Message);
+			return false;
+		}
+	}
+
+	public static bool CreateDirectory(string path)
+	{
+		if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+		{
+			path = path.Replace("\\", "/").Replace("//", "/");
+		}
+		try
+		{
+			if (!Directory.Exists(path))
+			{
+				Directory.CreateDirectory(path);
+			}
+		}
+		catch (Exception ex)
+		{
+			LogHelper.Log("创建文件夹出错了", ex.Message);
+			return false;
+		}
+		return true;
+	}
+
+	public static void WriteAndSave(string path, string content)
+	{
+		if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+		{
+			path = path.Replace("\\", "/").Replace("//", "/");
+		}
+		if (!Directory.Exists(Path.GetDirectoryName(path)))
+		{
+			Directory.CreateDirectory(Path.GetDirectoryName(path) ?? string.Empty);
+		}
+		LogHelper.Log("开始写入文件，Path=" + path);
+		try
+		{
+			using FileStream fileStream = new FileStream(path, FileMode.Create, FileAccess.Write);
+			using StreamWriter streamWriter = new StreamWriter(fileStream);
+			streamWriter.Write(content);
+			streamWriter.Flush();
+			streamWriter.Close();
+			fileStream.Close();
+		}
+		catch (Exception ex)
+		{
+			LogHelper.Log("写入文件出错了:", ex.Message);
+		}
+	}
+}
diff --git a/src/Hua.Dotnet.Code/Helper/Html/HtmlHelper.cs b/src/Hua.Dotnet.Code/Helper/Html/HtmlHelper.cs
new file mode 100644
index 0000000..25fb180
--- /dev/null
+++ b/src/Hua.Dotnet.Code/Helper/Html/HtmlHelper.cs
@@ -0,0 +1,177 @@
+using System;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Web;
+
+namespace Hua.DotNet.Code.Helper.Html;
+
+public class HtmlHelper
+{
+	private static readonly Regex paragraphStartRegex = new Regex("<p>", RegexOptions.IgnoreCase);
+
+	private static readonly Regex paragraphEndRegex = new Regex("</p>", RegexOptions.IgnoreCase);
+
+	private static string EnsureOnlyAllowedHtml(string text)
+	{
+		if (string.IsNullOrEmpty(text))
+		{
+			return string.Empty;
+		}
+		MatchCollection matchCollection = Regex.Matches(text, "<.*?>", RegexOptions.IgnoreCase);
+		for (int num = matchCollection.Count - 1; num >= 0; num--)
+		{
+			if (!IsValidTag(text.Substring(matchCollection[num].Index + 1, matchCollection[num].Length - 1).Trim().ToLower(), "br,hr,b,i,u,a,div,ol,ul,li,blockquote,img,span,p,em,strong,font,pre,h1,h2,h3,h4,h5,h6,address,cite"))
+			{
+				text = text.Remove(matchCollection[num].Index, matchCollection[num].Length);
+			}
+		}
+		return text;
+	}
+
+	private static bool IsValidTag(string tag, string tags)
+	{
+		string[] array = tags.Split(',');
+		if (tag.IndexOf("javascript") >= 0)
+		{
+			return false;
+		}
+		if (tag.IndexOf("vbscript") >= 0)
+		{
+			return false;
+		}
+		if (tag.IndexOf("onclick") >= 0)
+		{
+			return false;
+		}
+		char[] anyOf = new char[4] { ' ', '>', '/', '\t' };
+		int num = tag.IndexOfAny(anyOf, 1);
+		if (num > 0)
+		{
+			tag = tag.Substring(0, num);
+		}
+		if (tag[0] == '/')
+		{
+			tag = tag.Substring(1);
+		}
+		string[] array2 = array;
+		foreach (string text in array2)
+		{
+			if (tag == text)
+			{
+				return true;
+			}
+		}
+		return false;
+	}
+
+	public static string FormatText(string text, bool stripTags, bool convertPlainTextToHtml, bool allowHtml, bool allowBBCode, bool resolveLinks, bool addNoFollowTag)
+	{
+		if (string.IsNullOrEmpty(text))
+		{
+			return string.Empty;
+		}
+		try
+		{
+			if (stripTags)
+			{
+				text = StripTags(text);
+			}
+			text = ((!allowHtml) ? HttpUtility.HtmlEncode(text) : EnsureOnlyAllowedHtml(text));
+			if (convertPlainTextToHtml)
+			{
+				text = ConvertPlainTextToHtml(text);
+			}
+			if (resolveLinks)
+			{
+				text = ResolveLinksHelper.FormatText(text);
+			}
+		}
+		catch (Exception ex)
+		{
+			text = $"Text cannot be formatted. Error: {ex.Message}";
+		}
+		return text;
+	}
+
+	public static string StripTags(string text)
+	{
+		if (string.IsNullOrEmpty(text))
+		{
+			return string.Empty;
+		}
+		text = Regex.Replace(text, "(>)(\\r|\\n)*(<)", "><");
+		text = Regex.Replace(text, "(<[^>]*>)([^<]*)", "$2");
+		text = Regex.Replace(text, "(&#x?[0-9]{2,4};|&quot;|&amp;|&nbsp;|&lt;|&gt;|&euro;|&copy;|&reg;|&permil;|&Dagger;|&dagger;|&lsaquo;|&rsaquo;|&bdquo;|&rdquo;|&ldquo;|&sbquo;|&rsquo;|&lsquo;|&mdash;|&ndash;|&rlm;|&lrm;|&zwj;|&zwnj;|&thinsp;|&emsp;|&ensp;|&tilde;|&circ;|&Yuml;|&scaron;|&Scaron;)", "@");
+		return text;
+	}
+
+	public static string ReplaceAnchorTags(string text)
+	{
+		if (string.IsNullOrEmpty(text))
+		{
+			return string.Empty;
+		}
+		text = Regex.Replace(text, "<a\\b[^>]+>([^<]*(?:(?!</a)<[^<]*)*)</a>", "$1", RegexOptions.IgnoreCase);
+		return text;
+	}
+
+	public static string ConvertPlainTextToHtml(string text)
+	{
+		if (string.IsNullOrEmpty(text))
+		{
+			return string.Empty;
+		}
+		text = text.Replace("\r\n", "<br />");
+		text = text.Replace("\r", "<br />");
+		text = text.Replace("\n", "<br />");
+		text = text.Replace("\t", "&nbsp;&nbsp;");
+		text = text.Replace("  ", "&nbsp;&nbsp;");
+		return text;
+	}
+
+	public static string ConvertHtmlToPlainText(string text, bool decode = false, bool replaceAnchorTags = false)
+	{
+		if (string.IsNullOrEmpty(text))
+		{
+			return string.Empty;
+		}
+		if (decode)
+		{
+			text = HttpUtility.HtmlDecode(text);
+		}
+		text = text.Replace("<br>", "\n");
+		text = text.Replace("<br >", "\n");
+		text = text.Replace("<br />", "\n");
+		text = text.Replace("&nbsp;&nbsp;", "\t");
+		text = text.Replace("&nbsp;&nbsp;", "  ");
+		if (replaceAnchorTags)
+		{
+			text = ReplaceAnchorTags(text);
+		}
+		return text;
+	}
+
+	public static string ConvertPlainTextToParagraph(string text)
+	{
+		if (string.IsNullOrEmpty(text))
+		{
+			return string.Empty;
+		}
+		text = paragraphStartRegex.Replace(text, string.Empty);
+		text = paragraphEndRegex.Replace(text, "\n");
+		text = text.Replace("\r\n", "\n").Replace("\r", "\n");
+		text += "\n\n";
+		text = text.Replace("\n\n", "\n");
+		string[] array = text.Split(new char[1] { '\n' });
+		StringBuilder stringBuilder = new StringBuilder();
+		string[] array2 = array;
+		foreach (string text2 in array2)
+		{
+			if (text2 != null && text2.Trim().Length > 0)
+			{
+				stringBuilder.AppendFormat("<p>{0}</p>\n", text2);
+			}
+		}
+		return stringBuilder.ToString();
+	}
+}
diff --git a/src/Hua.Dotnet.Code/Helper/Html/ResolveLinksHelper.cs b/src/Hua.Dotnet.Code/Helper/Html/ResolveLinksHelper.cs
new file mode 100644
index 0000000..3864ecb
--- /dev/null
+++ b/src/Hua.Dotnet.Code/Helper/Html/ResolveLinksHelper.cs
@@ -0,0 +1,85 @@
+using System.Globalization;
+using System.Text.RegularExpressions;
+
+namespace Hua.DotNet.Code.Helper.Html;
+
+public class ResolveLinksHelper
+{
+	private static readonly Regex regex = new Regex("((http://|https://|www\\.)([A-Z0-9.\\-]{1,})\\.[0-9A-Z?;~&\\(\\)#,=\\-_\\./\\+]{2,})", RegexOptions.IgnoreCase | RegexOptions.Compiled);
+
+	private const string link = "<a href=\"{0}{1}\" rel=\"nofollow\">{2}</a>";
+
+	private const int MAX_LENGTH = 50;
+
+	private static string ShortenUrl(string url, int max)
+	{
+		if (url.Length <= max)
+		{
+			return url;
+		}
+		int num = url.IndexOf("://");
+		if (num > -1)
+		{
+			url = url.Substring(num + 3);
+		}
+		if (url.Length <= max)
+		{
+			return url;
+		}
+		int num2 = url.IndexOf("/") + 1;
+		int num3 = url.LastIndexOf("/");
+		if (num2 < num3)
+		{
+			url = url.Remove(num2, num3 - num2);
+			url = url.Insert(num2, "...");
+		}
+		if (url.Length <= max)
+		{
+			return url;
+		}
+		int num4 = url.IndexOf("?");
+		if (num4 > -1)
+		{
+			url = url.Substring(0, num4);
+		}
+		if (url.Length <= max)
+		{
+			return url;
+		}
+		int num5 = url.IndexOf("#");
+		if (num5 > -1)
+		{
+			url = url.Substring(0, num5);
+		}
+		if (url.Length <= max)
+		{
+			return url;
+		}
+		num2 = url.LastIndexOf("/") + 1;
+		num3 = url.LastIndexOf(".");
+		if (num3 - num2 > 10)
+		{
+			string text = url.Substring(num2, num3 - num2);
+			int num6 = url.Length - max + 3;
+			if (text.Length > num6)
+			{
+				url = url.Replace(text, "..." + text.Substring(num6));
+			}
+		}
+		return url;
+	}
+
+	public static string FormatText(string text)
+	{
+		if (string.IsNullOrEmpty(text))
+		{
+			return string.Empty;
+		}
+		CultureInfo invariantCulture = CultureInfo.InvariantCulture;
+		foreach (Match item in regex.Matches(text))
+		{
+			text = (item.Value.Contains("://") ? text.Replace(item.Value, string.Format(invariantCulture, "<a href=\"{0}{1}\" rel=\"nofollow\">{2}</a>", string.Empty, item.Value, ShortenUrl(item.Value, 50))) : text.Replace(item.Value, string.Format(invariantCulture, "<a href=\"{0}{1}\" rel=\"nofollow\">{2}</a>", "http://", item.Value, ShortenUrl(item.Value, 50))));
+		}
+		return text;
+	}
+}
diff --git a/src/Hua.Dotnet.Code/Helper/Http/HttpClientHelper.cs b/src/Hua.Dotnet.Code/Helper/Http/HttpClientHelper.cs
new file mode 100644
index 0000000..56cb5c6
--- /dev/null
+++ b/src/Hua.Dotnet.Code/Helper/Http/HttpClientHelper.cs
@@ -0,0 +1,138 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Net;
+using System.Net.Http;
+using System.Net.Http.Json;
+using System.Net.Security;
+using System.Security.Cryptography.X509Certificates;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+
+namespace Hua.DotNet.Code.Helper.Http;
+
+public class HttpClientHelper : IHttpHelper
+{
+	private readonly ILogger<HttpClientHelper> _logger;
+
+	public HttpClientHandler Handler { get; set; }
+
+	public Dictionary<string, string> Headers { get; set; }
+
+	public HttpClientHelper(ILogger<HttpClientHelper> logger)
+	{
+		_logger = logger;
+	}
+
+	public virtual HttpClient GetHttpClient()
+	{
+		HttpClient httpClient = ((Handler == null) ? new HttpClient() : new HttpClient(Handler));
+		if (Headers == null)
+		{
+			return httpClient;
+		}
+		foreach (KeyValuePair<string, string> header in Headers)
+		{
+			httpClient.DefaultRequestHeaders.Add(header.Key, header.Value);
+		}
+		return httpClient;
+	}
+
+	public TOut? Get<TOut>(string url, int timeOut = 10)
+	{
+		return GetAsync<TOut>(url, timeOut).GetAwaiter().GetResult();
+	}
+
+	public TOut? Post<TIn, TOut>(string url, TIn input, int timeOut = 3)
+	{
+		try
+		{
+			HttpClient httpClient = GetHttpClient();
+			httpClient.Timeout = new TimeSpan(0, 0, timeOut);
+			_logger.LogInformation("Post:" + url + "\n[" + JsonConvert.SerializeObject((object)input) + "]");
+			HttpResponseMessage result = httpClient.PostAsync(url, JsonContent.Create(input)).GetAwaiter().GetResult();
+			string result2 = Task.FromResult(result.Content.ReadAsStringAsync()).Result.Result;
+			_logger.LogInformation(result2);
+			if (result.StatusCode != HttpStatusCode.OK)
+			{
+				_logger.LogError($"Error[{result.StatusCode}]:{url}\t{result2}");
+			}
+			return result.Content.ReadFromJsonAsync<TOut>().Result;
+		}
+		catch (Exception ex)
+		{
+			_logger.LogError(url);
+			_logger.LogError(ex.Message);
+			throw ex;
+		}
+	}
+
+
+    public async Task<TOut?> PostAsync<TIn, TOut>(string url, TIn input, int timeOut = 3, CancellationToken? cts = null) where TIn : class where TOut : class
+	{
+		try
+		{
+			HttpClient httpClient = GetHttpClient();
+			httpClient.Timeout = new TimeSpan(0, 0, timeOut);
+			_logger.LogInformation("Post:" + url + "\n[" + JsonConvert.SerializeObject((object)input) + "]");
+			HttpResponseMessage result = await httpClient.PostAsync(url, JsonContent.Create(input));
+			string text = await result.Content.ReadAsStringAsync();
+			_logger.LogInformation(text);
+			if (result.StatusCode != HttpStatusCode.OK)
+			{
+				_logger.LogError($"Error[{result.StatusCode}]:{url}\t{text}");
+			}
+			return await result.Content.ReadFromJsonAsync<TOut>();
+		}
+		catch (Exception ex)
+		{
+			_logger.LogError(url);
+			_logger.LogError(ex.Message);
+			throw ex;
+		}
+	}
+
+    public async Task<TOut?> GetAsync<TOut>(string url, int timeOut = 10,CancellationToken? cts = null)
+	{
+		try
+		{
+			HttpClient httpClient = GetHttpClient();
+			httpClient.Timeout = new TimeSpan(0, 10, timeOut);
+			_logger.LogDebug("Get:" + url);
+			HttpResponseMessage result = await httpClient.GetAsync(url);
+			string arg = await result.Content.ReadAsStringAsync();
+			if (result.StatusCode != HttpStatusCode.OK)
+			{
+				_logger.LogDebug($"Error[{result.StatusCode}]:{url}\t{arg}");
+			}
+			return await result.Content.ReadFromJsonAsync<TOut>();
+		}
+		catch (Exception ex)
+		{
+			_logger.LogError(url);
+			_logger.LogError(ex.Message);
+			throw ex;
+		}
+	}
+
+
+    public bool DownloadFile(string url, string localPath)
+	{
+		ServicePointManager.ServerCertificateValidationCallback = (object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors) => true;
+		HttpWebRequest httpWebRequest = WebRequest.Create(url) as HttpWebRequest;
+		Stream stream = new FileStream(localPath, FileMode.CreateNew);
+		try
+		{
+			Stream obj = (httpWebRequest?.GetResponse() as HttpWebResponse)?.GetResponseStream();
+			stream.Close();
+			obj?.Close();
+			return true;
+		}
+		catch (Exception)
+		{
+			return false;
+		}
+	}
+}
diff --git a/src/Hua.Dotnet.Code/Helper/Http/IHttpHelper.cs b/src/Hua.Dotnet.Code/Helper/Http/IHttpHelper.cs
new file mode 100644
index 0000000..ddd1eda
--- /dev/null
+++ b/src/Hua.Dotnet.Code/Helper/Http/IHttpHelper.cs
@@ -0,0 +1,19 @@
+using System.Collections.Generic;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace Hua.DotNet.Code.Helper.Http;
+
+public interface IHttpHelper
+{
+	HttpClientHandler Handler { get; set; }
+
+	Dictionary<string, string> Headers { get; set; }
+
+	Task<TOut?> PostAsync<TIn, TOut>(string url, TIn input, int timeOut = 10,CancellationToken? cts = null) where TIn : class where TOut : class;
+
+	Task<TOut?> GetAsync<TOut>(string url, int timeOut = 10, CancellationToken? cts = null);
+
+	bool DownloadFile(string url, string fileFullName);
+}
diff --git a/src/Hua.Dotnet.Code/Helper/Http/RestClientHttpHelper.Tests.cs b/src/Hua.Dotnet.Code/Helper/Http/RestClientHttpHelper.Tests.cs
new file mode 100644
index 0000000..3ce02f5
--- /dev/null
+++ b/src/Hua.Dotnet.Code/Helper/Http/RestClientHttpHelper.Tests.cs
@@ -0,0 +1,92 @@
+using System;
+using System.IO;
+using Microsoft.Extensions.Logging;
+using Moq;
+using RestSharp;
+
+namespace Hua.DotNet.Code.Helper.Http
+{
+    public class RestClientHttpHelperTests
+    {
+        [Test]
+        public void DownloadFile_ShouldReturnTrue_WhenDownloadSucceeds()
+        {
+            // Arrange
+            var loggerMock = new Mock<ILogger<RestClientHttpHelper>>();
+            var helper = new RestClientHttpHelper(loggerMock.Object);
+            var testUrl = "https://example.com/testfile.txt";
+            var testFilePath = Path.GetTempFileName();
+            
+            var restClientMock = new Mock<RestClient>();
+            var responseData = System.Text.Encoding.UTF8.GetBytes("Test content");
+            restClientMock.Setup(c => c.DownloadData(It.IsAny<RestRequest>())).Returns(responseData);
+            
+            var type = helper.GetType();
+            var getHttpClientMethod = type.GetMethod("GetHttpClient", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);
+            var mockGetter = new Func<RestClient>(() => restClientMock.Object);
+            
+            var mockMethod = mockGetter.Method;
+            var mockInstance = mockGetter.Target;
+            
+            var proxy = new DynamicProxy(helper, getHttpClientMethod, mockMethod, mockInstance);
+            
+            // Act
+            var result = helper.DownloadFile(testUrl, testFilePath);
+            
+            // Assert
+            Assert.That(result, Is.True);
+            Assert.That(File.Exists(testFilePath), Is.True);
+            File.Delete(testFilePath);
+        }
+
+        [Test]
+        public void DownloadFile_ShouldReturnFalse_WhenDownloadFails()
+        {
+            // Arrange
+            var loggerMock = new Mock<ILogger<RestClientHttpHelper>>();
+            var helper = new RestClientHttpHelper(loggerMock.Object);
+            var testUrl = "https://example.com/nonexistentfile.txt";
+            var testFilePath = Path.GetTempFileName();
+            
+            var restClientMock = new Mock<RestClient>();
+            restClientMock.Setup(c => c.DownloadData(It.IsAny<RestRequest>())).Returns((byte[])null);
+            
+            var type = helper.GetType();
+            var getHttpClientMethod = type.GetMethod("GetHttpClient", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);
+            var mockGetter = new Func<RestClient>(() => restClientMock.Object);
+            
+            var mockMethod = mockGetter.Method;
+            var mockInstance = mockGetter.Target;
+            
+            var proxy = new DynamicProxy(helper, getHttpClientMethod, mockMethod, mockInstance);
+            
+            // Act
+            var result = helper.DownloadFile(testUrl, testFilePath);
+            
+            // Assert
+            Assert.That(result, Is.False);
+            Assert.That(File.Exists(testFilePath), Is.False);
+        }
+    }
+
+    public class DynamicProxy
+    {
+        private readonly object _target;
+        private readonly System.Reflection.MethodInfo _originalMethod;
+        private readonly System.Reflection.MethodInfo _mockMethod;
+        private readonly object _mockInstance;
+
+        public DynamicProxy(object target, System.Reflection.MethodInfo originalMethod, System.Reflection.MethodInfo mockMethod, object mockInstance)
+        {
+            _target = target;
+            _originalMethod = originalMethod;
+            _mockMethod = mockMethod;
+            _mockInstance = mockInstance;
+        }
+
+        public object Invoke(object[] parameters)
+        {
+            return _mockMethod.Invoke(_mockInstance, parameters);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Hua.Dotnet.Code/Helper/Http/RestClientHttpHelper.cs b/src/Hua.Dotnet.Code/Helper/Http/RestClientHttpHelper.cs
new file mode 100644
index 0000000..1151f36
--- /dev/null
+++ b/src/Hua.Dotnet.Code/Helper/Http/RestClientHttpHelper.cs
@@ -0,0 +1,93 @@
+using System;
+using System.Collections.Generic;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.Extensions.Logging;
+using RestSharp;
+
+namespace Hua.DotNet.Code.Helper.Http;
+
+public class RestClientHttpHelper : IHttpHelper
+{
+	private ILogger<RestClientHttpHelper> _logger;
+
+	public HttpClientHandler Handler { get; set; }
+
+	public Dictionary<string, string> Headers { get; set; }
+
+	public RestClientHttpHelper(ILogger<RestClientHttpHelper> logger)
+	{
+		_logger = logger;
+	}
+
+    protected virtual RestClient GetHttpClient()
+	{
+		var val = ((Handler == null) ? new RestClient() : new RestClient((HttpMessageHandler)Handler, true));
+		if (Headers == null)
+		{
+			return val;
+		}
+		foreach (KeyValuePair<string, string> header in Headers)
+		{
+			val.AddDefaultHeader(header.Key, header.Value);
+		}
+		return val;
+	}
+
+    public async Task<TOut> PostAsync<TIn, TOut>(string url, TIn input, int timeOut = 10, CancellationToken? cts = null) where TIn : class where TOut : class
+    {
+		try
+		{
+			var client = GetHttpClient();
+			var request = new RestRequest(url, Method.Post).AddJsonBody<TIn>(input, "application/json");
+			request.Timeout = TimeSpan.FromSeconds(timeOut);
+			await client.PostAsync(request, cts ?? CancellationToken.None);
+			return await client.PostAsync<TOut>(request, cts??CancellationToken.None);
+		}
+		catch (Exception ex)
+		{
+			_logger.LogError(url);
+			_logger.LogError(ex.Message);
+			throw ex;
+		}
+	}
+
+    public async Task<TOut?> GetAsync<TOut>(string url, int timeOut = 10, CancellationToken? cts = null)
+	{
+		try
+		{
+            using RestClient httpClient = GetHttpClient();
+            var val = new RestRequest(url,Method.Get);
+			return await httpClient.GetAsync<TOut>(val, cts ?? CancellationToken.None);
+		}
+		catch (Exception ex)
+		{
+			_logger.LogError(url);
+			_logger.LogError(ex.Message);
+			throw ex;
+		}
+	}
+
+
+    public bool DownloadFile(string url, string fileFullName)
+    {
+        try
+        {
+            var client = GetHttpClient();
+            var request = new RestRequest(url, Method.Get);
+            var response = client.DownloadData(request);
+            if (response != null)
+            {
+                System.IO.File.WriteAllBytes(fileFullName, response);
+                return true;
+            }
+            return false;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError("下载文件失败: {0}", ex.Message);
+            return false;
+        }
+    }
+}
diff --git a/src/Hua.Dotnet.Code/Helper/LogHelper.cs b/src/Hua.Dotnet.Code/Helper/LogHelper.cs
new file mode 100644
index 0000000..0a2d5d0
--- /dev/null
+++ b/src/Hua.Dotnet.Code/Helper/LogHelper.cs
@@ -0,0 +1,39 @@
+using System;
+using System.Diagnostics;
+using System.IO;
+
+namespace Hua.DotNet.Code.Helper;
+
+public class LogHelper
+{
+	private static string LogFileName => $"Log{DateTime.Now:yyyy_MM_dd}.log";
+
+	public static void Log(string title)
+	{
+		Log(title, string.Empty);
+	}
+
+	public static void Log(Exception e)
+	{
+		Log(e.Message, e.StackTrace);
+	}
+
+	public static void Log<T>(string title)
+	{
+		Log<T>(title, string.Empty);
+	}
+
+	public static void Log<T>(string title, string? msg)
+	{
+		Log(title, typeof(T).FullName + " \t " + msg);
+	}
+
+	public static void Log(string title, string? msg)
+	{
+		using FileStream fileStream = new FileStream(LogFileName, FileMode.OpenOrCreate);
+		TextWriterTraceListener textWriterTraceListener = new TextWriterTraceListener(fileStream);
+		textWriterTraceListener.WriteLine($"{DateTime.Now:yyyy-MM-dd HH:mm:ss:FFF}\t [{title}]\t{msg}");
+		textWriterTraceListener.Close();
+		fileStream.Close();
+	}
+}
diff --git a/src/Hua.Dotnet.Code/Helper/Md5Helper.cs b/src/Hua.Dotnet.Code/Helper/Md5Helper.cs
new file mode 100644
index 0000000..7b82cb0
--- /dev/null
+++ b/src/Hua.Dotnet.Code/Helper/Md5Helper.cs
@@ -0,0 +1,52 @@
+using System;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace Hua.DotNet.Code.Helper;
+
+public static class Md5Helper
+{
+	public static string EnCode(string text)
+	{
+		if (!string.IsNullOrEmpty(text))
+		{
+			return EnCode(Encoding.Unicode.GetBytes(text));
+		}
+		return "";
+	}
+
+	public static string EnCode(byte[] data)
+	{
+		if (data.Length == 0)
+		{
+			return "";
+		}
+		try
+		{
+			MD5CryptoServiceProvider mD5CryptoServiceProvider = new MD5CryptoServiceProvider();
+			byte[] inArray = mD5CryptoServiceProvider.ComputeHash(data);
+			mD5CryptoServiceProvider.Clear();
+			return Convert.ToBase64String(inArray);
+		}
+		catch
+		{
+			return "";
+		}
+	}
+
+	public static string Md5Sum(string text)
+	{
+		if (!string.IsNullOrEmpty(text))
+		{
+			return Md5Sum(Encoding.UTF8.GetBytes(text));
+		}
+		return "";
+	}
+
+	public static string Md5Sum(byte[] bs)
+	{
+		return MD5.Create().ComputeHash(bs).Aggregate("", (string current, byte t) => current + Convert.ToString(t, 16).PadLeft(2, '0'))
+			.PadLeft(32, '0');
+	}
+}
diff --git a/src/Hua.Dotnet.Code/Helper/MemoryMetrics.cs b/src/Hua.Dotnet.Code/Helper/MemoryMetrics.cs
new file mode 100644
index 0000000..3b6e377
--- /dev/null
+++ b/src/Hua.Dotnet.Code/Helper/MemoryMetrics.cs
@@ -0,0 +1,25 @@
+using Newtonsoft.Json;
+
+namespace Hua.DotNet.Code.Helper;
+
+public class MemoryMetrics
+{
+	[JsonIgnore]
+	public double Total { get; set; }
+
+	[JsonIgnore]
+	public double Used { get; set; }
+
+	[JsonIgnore]
+	public double Free { get; set; }
+
+	public string UsedRam { get; set; }
+
+	public string CPURate { get; set; }
+
+	public string TotalRAM { get; set; }
+
+	public string RAMRate { get; set; }
+
+	public string FreeRam { get; set; }
+}
diff --git a/src/Hua.Dotnet.Code/Helper/MemoryMetricsClient.cs b/src/Hua.Dotnet.Code/Helper/MemoryMetricsClient.cs
new file mode 100644
index 0000000..1edb888
--- /dev/null
+++ b/src/Hua.Dotnet.Code/Helper/MemoryMetricsClient.cs
@@ -0,0 +1,47 @@
+using System;
+
+namespace Hua.DotNet.Code.Helper;
+
+public class MemoryMetricsClient
+{
+	public MemoryMetrics GetWindowsMetrics()
+	{
+		string text = ShellHelper.Cmd("wmic", "OS get FreePhysicalMemory,TotalVisibleMemorySize /Value");
+		MemoryMetrics memoryMetrics = new MemoryMetrics();
+		string[] array = text.Trim().Split('\n', '\u0001');
+		if (array.Length == 0)
+		{
+			return memoryMetrics;
+		}
+		string[] array2 = array[0].Split('=', '\u0001');
+		string[] array3 = array[1].Split('=', '\u0001');
+		memoryMetrics.Total = Math.Round(double.Parse(array3[1]) / 1024.0, 0);
+		memoryMetrics.Free = Math.Round(double.Parse(array2[1]) / 1024.0, 0);
+		memoryMetrics.Used = memoryMetrics.Total - memoryMetrics.Free;
+		return memoryMetrics;
+	}
+
+	public MemoryMetrics GetUnixMetrics()
+	{
+		string text = ShellHelper.Bash("free -m | awk '{print $2,$3,$4,$5,$6}'");
+		MemoryMetrics memoryMetrics = new MemoryMetrics();
+		string[] array = text.Split('\n', '\u0001');
+		if (array.Length == 0)
+		{
+			return memoryMetrics;
+		}
+		if (array.Length == 0)
+		{
+			return memoryMetrics;
+		}
+		string[] array2 = array[1].Split(' ', '\u0001');
+		if (array2.Length < 3)
+		{
+			return memoryMetrics;
+		}
+		memoryMetrics.Total = double.Parse(array2[0]);
+		memoryMetrics.Used = double.Parse(array2[1]);
+		memoryMetrics.Free = double.Parse(array2[2]);
+		return memoryMetrics;
+	}
+}
diff --git a/src/Hua.Dotnet.Code/Helper/RsaHelper.cs b/src/Hua.Dotnet.Code/Helper/RsaHelper.cs
new file mode 100644
index 0000000..3d30042
--- /dev/null
+++ b/src/Hua.Dotnet.Code/Helper/RsaHelper.cs
@@ -0,0 +1,36 @@
+using System;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace Hua.DotNet.Code.Helper;
+
+public class RsaHelper
+{
+	private static RSA? _Rsa;
+
+	private static void InitRsa()
+	{
+		if (_Rsa == null)
+		{
+			_Rsa = RSA.Create();
+		}
+	}
+
+	public static string Encrypt(string str)
+	{
+		InitRsa();
+		return Convert.ToBase64String(_Rsa.Encrypt(Encoding.UTF8.GetBytes(str), RSAEncryptionPadding.Pkcs1));
+	}
+
+	public static string Decrypt(string enStr)
+	{
+		InitRsa();
+		return Encoding.UTF8.GetString(_Rsa.Decrypt(Convert.FromBase64String(enStr), RSAEncryptionPadding.Pkcs1));
+	}
+
+	public static string PublicKey()
+	{
+		InitRsa();
+		return _Rsa.ToXmlString(includePrivateParameters: false);
+	}
+}
diff --git a/src/Hua.Dotnet.Code/Helper/ShellHelper.cs b/src/Hua.Dotnet.Code/Helper/ShellHelper.cs
new file mode 100644
index 0000000..27e365b
--- /dev/null
+++ b/src/Hua.Dotnet.Code/Helper/ShellHelper.cs
@@ -0,0 +1,36 @@
+using System.Diagnostics;
+
+namespace Hua.DotNet.Code.Helper;
+
+public static class ShellHelper
+{
+	public static string Bash(string command)
+	{
+		string text = command.Replace("\"", "\\\"");
+		Process process = new Process();
+		process.StartInfo = new ProcessStartInfo
+		{
+			FileName = "/bin/bash",
+			Arguments = "-c \"" + text + "\"",
+			RedirectStandardOutput = true,
+			UseShellExecute = false,
+			CreateNoWindow = true
+		};
+		process.Start();
+		string result = process.StandardOutput.ReadToEnd();
+		process.WaitForExit();
+		process.Dispose();
+		return result;
+	}
+
+	public static string Cmd(string fileName, string args)
+	{
+		using Process process = Process.Start(new ProcessStartInfo
+		{
+			FileName = fileName,
+			Arguments = args,
+			RedirectStandardOutput = true
+		});
+		return process.StandardOutput.ReadToEnd();
+	}
+}
diff --git a/src/Hua.Dotnet.Code/Hua.DotNet.Code.csproj b/src/Hua.Dotnet.Code/Hua.DotNet.Code.csproj
new file mode 100644
index 0000000..1c527f3
--- /dev/null
+++ b/src/Hua.Dotnet.Code/Hua.DotNet.Code.csproj
@@ -0,0 +1,27 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <AssemblyName>Hua.DotNet.Code</AssemblyName>
+    <GenerateAssemblyInfo>False</GenerateAssemblyInfo>
+    <TargetFramework>netstandard2.1</TargetFramework>
+  </PropertyGroup>
+  <PropertyGroup>
+    <LangVersion>11.0</LangVersion>
+    <AllowUnsafeBlocks>True</AllowUnsafeBlocks>
+  </PropertyGroup>
+  <PropertyGroup />
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="9.0.6" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="RestSharp" Version="112.1.0" />
+    <PackageReference Include="System.Net.Http.Json" Version="9.0.6" />
+    <PackageReference Include="Moq" Version="4.20.72" />
+    <PackageReference Include="NUnit" Version="4.3.2" />
+    <PackageReference Include="NUnit.Analyzers" Version="4.9.2">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+  </ItemGroup>
+  <ItemGroup>
+    <Folder Include="Properties\" />
+  </ItemGroup>
+</Project>
\ No newline at end of file
diff --git a/test/Hua.Dotnet.Code.Test/Hua.Dotnet.Code.Test.csproj b/test/Hua.Dotnet.Code.Test/Hua.Dotnet.Code.Test.csproj
new file mode 100644
index 0000000..8b5797e
--- /dev/null
+++ b/test/Hua.Dotnet.Code.Test/Hua.Dotnet.Code.Test.csproj
@@ -0,0 +1,24 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+
+    <IsPackable>false</IsPackable>
+    <IsTestProject>true</IsTestProject>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="coverlet.collector" Version="6.0.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="NUnit" Version="3.14.0" />
+    <PackageReference Include="NUnit.Analyzers" Version="3.9.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Using Include="NUnit.Framework" />
+  </ItemGroup>
+
+</Project>
diff --git a/test/Hua.Dotnet.Code.Test/UnitTest1.cs b/test/Hua.Dotnet.Code.Test/UnitTest1.cs
new file mode 100644
index 0000000..7f0637b
--- /dev/null
+++ b/test/Hua.Dotnet.Code.Test/UnitTest1.cs
@@ -0,0 +1,16 @@
+namespace Hua.Dotnet.Code.Test
+{
+    public class Tests
+    {
+        [SetUp]
+        public void Setup()
+        {
+        }
+
+        [Test]
+        public void Test1()
+        {
+            Assert.Pass();
+        }
+    }
+}
\ No newline at end of file