diff --git a/YLErpDAL/Helpers/AuthHelper.cs b/YLErpDAL/Helpers/AuthHelper.cs
index eeb1e867..3f88374c 100644
--- a/YLErpDAL/Helpers/AuthHelper.cs
+++ b/YLErpDAL/Helpers/AuthHelper.cs
@@ -56,9 +56,16 @@ namespace YLErp.Helpers
         {
             var key = new SymmetricSecurityKey(Convert.FromBase64String(JwtSecretKey));
 
+            // 添加 JTI (JWT ID) 用于黑名单机制
+            var claims = new ClaimsIdentity(identity);
+            if (!claims.HasClaim(c => c.Type == "jti"))
+            {
+                claims.AddClaim(new Claim("jti", Guid.NewGuid().ToString("N")));
+            }
+
             var tokenDescriptor = new SecurityTokenDescriptor
             {
-                Subject = new ClaimsIdentity(identity),
+                Subject = claims,
                 Expires = DateTime.UtcNow.AddSeconds(ExpireInSeconds),
                 IssuedAt = DateTime.Now,
                 Issuer = JwtIssuer,
diff --git a/YLErpWeb/Controllers/AccountController.cs b/YLErpWeb/Controllers/AccountController.cs
index 3adc4f8d..e9fe8a92 100644
--- a/YLErpWeb/Controllers/AccountController.cs
+++ b/YLErpWeb/Controllers/AccountController.cs
@@ -311,6 +311,35 @@ namespace YLErp.Web.Controllers
             HttpContext.SignOutAsync(IdentityConstants.ApplicationScheme);
             logger.Info($"[退出登录] SignOutAsync 已调用");
 
+            // 清除 JWT Token Cookie
+            Response.Cookies.Delete("Access-Token");
+            Response.Cookies.Delete("Access-Token-Encrypt");
+            logger.Info($"[退出登录] JWT Token Cookie 已清除");
+
+            // 将当前 JWT Token 加入黑名单（使其立即失效）
+            if (Request.Cookies.TryGetValue("Access-Token", out var accessToken) && !string.IsNullOrEmpty(accessToken))
+            {
+                try
+                {
+                    var tokenHandler = new System.IdentityModel.Tokens.Jwt.JwtSecurityTokenHandler();
+                    var jwtToken = tokenHandler.ReadJwtToken(accessToken);
+                    var jti = jwtToken.Claims.FirstOrDefault(c => c.Type == "jti")?.Value ?? accessToken.Substring(0, 32);
+                    var expiry = jwtToken.ValidTo;
+                    var ttl = expiry - DateTime.UtcNow;
+                    
+                    if (ttl.TotalSeconds > 0)
+                    {
+                        // 将 Token 加入黑名单，过期时间与 Token 过期时间相同
+                        Server.CacheProvider.Set($"token_blacklist:{jti}", userId.ToString(), ttl);
+                        logger.Info($"[退出登录] Token 已加入黑名单 - JTI: {jti}, 过期时间: {expiry:yyyy-MM-dd HH:mm:ss}");
+                    }
+                }
+                catch (Exception ex)
+                {
+                    logger.Error($"[退出登录] Token 加入黑名单失败", ex);
+                }
+            }
+
             if (SsoLoginConfig.SSO_Enable)
             {
                 switch (loginName?.ToLowerInvariant())
diff --git a/YLErpWeb/Middleware/RefreshTokenMiddleware.cs b/YLErpWeb/Middleware/RefreshTokenMiddleware.cs
index acc69f4a..2ace3483 100644
--- a/YLErpWeb/Middleware/RefreshTokenMiddleware.cs
+++ b/YLErpWeb/Middleware/RefreshTokenMiddleware.cs
@@ -54,6 +54,22 @@ namespace YLErp.Web.Middleware
 
                     var tokenHandler = new JwtSecurityTokenHandler();
                     
+                    // 先解析token获取JTI，检查是否在黑名单中
+                    var jwtTokenForCheck = tokenHandler.ReadJwtToken(token);
+                    var jti = jwtTokenForCheck.Claims.FirstOrDefault(c => c.Type == "jti")?.Value ?? token.Substring(0, 32);
+                    
+                    // 检查token是否在黑名单中
+                    var blacklisted = Server.CacheProvider.Get($"token_blacklist:{jti}");
+                    if (blacklisted != null)
+                    {
+                        LogFactory.GetLogger("RefreshTokenMiddleware").Info($"[Token验证] Token已在黑名单中，拒绝访问 - JTI: {jti}");
+                        context.Response.Cookies.Delete("Access-Token");
+                        context.Response.Cookies.Delete("Access-Token-Encrypt");
+                        context.Response.StatusCode = 401;
+                        await context.Response.WriteAsync("Token已失效，请重新登录");
+                        return;
+                    }
+                    
                     // 验证并解析token
                     var principal = tokenHandler.ValidateToken(token, validationParameters, out var validatedToken);
                     var jwtToken = validatedToken as JwtSecurityToken;