diff --git a/common.props b/common.props
index b7605b58..75df8506 100644
--- a/common.props
+++ b/common.props
@@ -3,6 +3,7 @@
     <Version>2.5.6.2</Version>
     <IncludeSymbols>true</IncludeSymbols>
     <SymbolPackageFormat>snupkg</SymbolPackageFormat>
+    <NoWarn>1591</NoWarn>
   </PropertyGroup>
   <PropertyGroup>
     <Authors>雪雁</Authors>
diff --git a/src/EPPlus/EPPlus/ExcelCellBase.cs b/src/EPPlus/EPPlus/ExcelCellBase.cs
index f3004d3c..e6ab701a 100644
--- a/src/EPPlus/EPPlus/ExcelCellBase.cs
+++ b/src/EPPlus/EPPlus/ExcelCellBase.cs
@@ -130,8 +130,6 @@ private static string Translate(string value, dlgTransl addressTranslator, int r
         /// <param name="part">the value to be translated</param>
         /// <param name="row"></param>
         /// <param name="col"></param>
-        /// <param name="rowIncr"></param>
-        /// <param name="colIncr"></param>
         /// <returns></returns>
         private static string ToR1C1(string part, int row, int col)
         {
@@ -188,8 +186,6 @@ private static string ToR1C1_1(string part, int row, int col)
         /// <param name="part"></param>
         /// <param name="row"></param>
         /// <param name="col"></param> 
-        /// <param name="rowIncr"></param>
-        /// <param name="colIncr"></param>
         /// <returns></returns>
         private static string ToAbs(string part, int row, int col)
         {
diff --git a/src/EPPlus/EPPlus/Packaging/DotNetZip/CRC32.cs b/src/EPPlus/EPPlus/Packaging/DotNetZip/CRC32.cs
index 35fff3fb..797204ae 100644
--- a/src/EPPlus/EPPlus/Packaging/DotNetZip/CRC32.cs
+++ b/src/EPPlus/EPPlus/Packaging/DotNetZip/CRC32.cs
@@ -659,7 +659,7 @@ public Int32 Crc
         /// </summary>
         /// <remarks>
         ///   <para>
-        ///     Set this at any point before calling <see cref="Close()"/>.
+        ///     Set this at any point before calling.
         ///   </para>
         /// </remarks>
         public bool LeaveOpen
diff --git a/src/MagicodesWebSite/Controllers/XlsxFileResultTests.cs b/src/MagicodesWebSite/Controllers/XlsxFileResultTests.cs
index 3d032e71..c318c9ee 100644
--- a/src/MagicodesWebSite/Controllers/XlsxFileResultTests.cs
+++ b/src/MagicodesWebSite/Controllers/XlsxFileResultTests.cs
@@ -1,10 +1,7 @@
 using Magicodes.ExporterAndImporter.Excel;
 using Magicodes.ExporterAndImporter.Excel.AspNetCore;
 using Microsoft.AspNetCore.Mvc;
-using System;
-using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 using System.Threading.Tasks;
 
 namespace MagicodesWebSite.Controllers
@@ -49,7 +46,7 @@ public async Task<ActionResult> ByStream()
         /// </summary>
         /// <returns></returns>
         [HttpGet("ByList")]
-        public async Task<ActionResult> ByList()
+        public ActionResult ByList()
         {
             var list = GenFu.GenFu.ListOf<ExportTestDataWithAttrs>(100);
             return new XlsxFileResult<ExportTestDataWithAttrs>(data: list);