diff --git a/Api/Ewide.Core/Ewide.Core.csproj b/Api/Ewide.Core/Ewide.Core.csproj
index b291410..6d7e58b 100644
--- a/Api/Ewide.Core/Ewide.Core.csproj
+++ b/Api/Ewide.Core/Ewide.Core.csproj
@@ -34,6 +34,7 @@
     <PackageReference Include="Furion.Extras.Logging.Serilog" Version="1.19.2" />
     <PackageReference Include="Furion.Extras.ObjectMapper.Mapster" Version="1.19.2" />
     <PackageReference Include="Kendo.DynamicLinqCore" Version="3.1.1" />
+    <PackageReference Include="Portable.BouncyCastle" Version="1.8.10" />
     <PackageReference Include="Quartz" Version="3.3.2" />
     <PackageReference Include="System.Drawing.Common" Version="5.0.2" />
     <PackageReference Include="System.Text.Encoding.CodePages" Version="5.0.0" />
diff --git a/Api/Ewide.Core/Util/MailHelper.cs b/Api/Ewide.Core/Util/MailHelper.cs
new file mode 100644
index 0000000..731d48c
--- /dev/null
+++ b/Api/Ewide.Core/Util/MailHelper.cs
@@ -0,0 +1,15 @@
+using System.Net.Mail;
+
+namespace Ewide.Core.Util
+{
+    public class MailHelper
+    {
+        public void Send()
+        {
+            MailMessage msg = null;
+            //smtpClient.Credentials = new System.Net.NetworkCredential(mail.from.Send_Address.Address, mail.from.password);//设置发件人身份的票据    
+            //smtpClient.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network;
+            //smtpClient.Host = "smtp." + mail.from.Send_Address.Host;
+        }
+    }
+}