diff --git a/v2rayN/ServiceLib/Common/Utils.cs b/v2rayN/ServiceLib/Common/Utils.cs
index 358d4e9a..c40e930d 100644
--- a/v2rayN/ServiceLib/Common/Utils.cs
+++ b/v2rayN/ServiceLib/Common/Utils.cs
@@ -8,6 +8,7 @@ using System.Runtime.InteropServices;
 using System.Security.Cryptography;
 using System.Security.Principal;
 using System.Text;
+using System.Text.RegularExpressions;
 using CliWrap;
 using CliWrap.Buffered;
 
@@ -357,6 +358,14 @@ public class Utils
         return userHostsMap;
     }
 
+    public static List<string> ParseCertSha256ToList(string certSha256Content)
+    {
+        return String2List(certSha256Content)
+                .Select(s => s.Replace(":", "").Replace(" ", ""))
+                .Where(s => s.Length == 64 && Regex.IsMatch(s, @"\A\b[0-9a-fA-F]+\b\Z"))
+                .ToList();
+    }
+
     #endregion 转换函数
 
     #region 数据检查
diff --git a/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxOutboundService.cs b/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxOutboundService.cs
index 8433d08b..a25cb72b 100644
--- a/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxOutboundService.cs
+++ b/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxOutboundService.cs
@@ -256,9 +256,7 @@ public partial class CoreConfigSingboxService
                 if (node.CertSha256.IsNotEmpty())
                 {
                     // hex to raw to base64
-                    var certSha256List = Utils.String2List(node.CertSha256)
-                        .Select(s => s.Replace(":", "").Replace(" ", ""))
-                        .Where(s => s.Length == 64 && Regex.IsMatch(s, @"\A[0-9a-fA-F]{64}\Z"))
+                    var certSha256List = Utils.ParseCertSha256ToList(node.CertSha256)
                         .Select(s => Convert.ToBase64String(
                             Enumerable.Range(0, 32)
                                       .Select(i => Convert.ToByte(s.Substring(i * 2, 2), 16))
diff --git a/v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayOutboundService.cs b/v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayOutboundService.cs
index fcf5b8bd..1a28a71a 100644
--- a/v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayOutboundService.cs
+++ b/v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayOutboundService.cs
@@ -281,10 +281,7 @@ public partial class CoreConfigV2rayService
                 }
                 if (node.CertSha256.IsNotEmpty())
                 {
-                    var certSha256List = Utils.String2List(node.CertSha256)
-                        .Select(s => s.Replace(":", "").Replace(" ", ""))
-                        .Where(s => s.Length == 64 && Regex.IsMatch(s, @"\A\b[0-9a-fA-F]+\b\Z"))
-                        .ToList();
+                    var certSha256List = Utils.ParseCertSha256ToList(node.CertSha256);
                     if (certSha256List.Count > 0)
                     {
                         tlsSettings.pinnedPeerCertificateSha256 = certSha256List;