diff --git a/src/Infrastructure/Extensions/AuthorizeSetup.cs b/src/Infrastructure/Extensions/AuthorizeSetup.cs
index ead8b96..cf5dd69 100644
--- a/src/Infrastructure/Extensions/AuthorizeSetup.cs
+++ b/src/Infrastructure/Extensions/AuthorizeSetup.cs
@@ -11,7 +11,9 @@ public static class AuthorizeSetup
     /// <param name="services"></param>
     /// <param name="configuration"></param>
     /// <returns></returns>
-    public static IServiceCollection AddDefaultAuthorize(this IServiceCollection services, IConfiguration configuration)
+    public static IServiceCollection AddDefaultAuthorize(
+        this IServiceCollection services,
+        IConfiguration configuration)
     {
         ArgumentNullException.ThrowIfNull(services);
         ArgumentNullException.ThrowIfNull(configuration);
@@ -27,7 +29,7 @@ public static class AuthorizeSetup
         var securityKey = new SymmetricSecurityKey(buffer);
         var signingCredentials = new SigningCredentials(securityKey, SecurityAlgorithms.HmacSha256);
 
-        services.AddSingleton(new JwtContext(
+        services.TryAddSingleton(new JwtContext(
             audienceOptions.Issuer,
             audienceOptions.Audience,
             audienceOptions.Duration,
diff --git a/src/Infrastructure/Security/JwtContext.cs b/src/Infrastructure/Security/JwtContext.cs
index ac8ebc4..bfd392f 100644
--- a/src/Infrastructure/Security/JwtContext.cs
+++ b/src/Infrastructure/Security/JwtContext.cs
@@ -10,14 +10,14 @@ namespace Infrastructure.Security;
 public class JwtContext(
     string issuer,
     string audience,
-    long duration,
+    int duration,
     SigningCredentials credentials)
 {
     public string Issuer { get; } = issuer;
 
     public string Audience { get; } = audience;
 
-    public long Duration { get; } = duration;
+    public int Duration { get; } = duration;
 
     public SigningCredentials SigningCredentials { get; } = credentials;
 }
\ No newline at end of file
diff --git a/src/Infrastructure/Security/JwtTokenInfo.cs b/src/Infrastructure/Security/JwtTokenInfo.cs
index a97d907..18e8177 100644
--- a/src/Infrastructure/Security/JwtTokenInfo.cs
+++ b/src/Infrastructure/Security/JwtTokenInfo.cs
@@ -4,13 +4,13 @@ namespace Infrastructure.Security;
 /// 返回客户端的jwt信息
 /// </summary>
 /// <param name="token"></param>
-/// <param name="expiredIn"></param>
+/// <param name="duration"></param>
 /// <param name="tokenType"></param>
-public class JwtTokenInfo(string token, double expiredIn, string tokenType)
+public class JwtTokenInfo(string token, int duration, string tokenType)
 {
     public string? Token { get; } = token;
 
-    public double? ExpiredIn { get; } = expiredIn;
+    public int Duration { get; } = duration;
 
     public string? TokenType { get; } = tokenType;
 }
\ No newline at end of file