diff --git a/Framework/YLErp.Core/Helpers/HttpHelper.cs b/Framework/YLErp.Core/Helpers/HttpHelper.cs
index bbeb9b3c..460316b8 100644
--- a/Framework/YLErp.Core/Helpers/HttpHelper.cs
+++ b/Framework/YLErp.Core/Helpers/HttpHelper.cs
@@ -76,6 +76,13 @@ namespace YLErp.Helpers
             // 发送请求并响应结果
             var response = await client.ExecuteAsync<ReponseWrap<TResponse>>(request);
             var responseContent =  response.Content;
+            
+            // 检查响应内容是否为空
+            if (string.IsNullOrEmpty(responseContent))
+            {
+                throw new ServiceException($"接口返回为空 - URL: {_baseUrl}{apiPath}, StatusCode: {response.StatusCode}");
+            }
+            
             return Newtonsoft.Json.JsonConvert.DeserializeObject<TResponse>(responseContent);
         }
         public async Task<TResponse> GetRequestNoAuth<TResponse>(string apiPath)
diff --git a/YLErpDAL/Modules/RiskModule/QuotaMonitorService.cs b/YLErpDAL/Modules/RiskModule/QuotaMonitorService.cs
index 60f833a8..0c348bc7 100644
--- a/YLErpDAL/Modules/RiskModule/QuotaMonitorService.cs
+++ b/YLErpDAL/Modules/RiskModule/QuotaMonitorService.cs
@@ -4970,6 +4970,7 @@ namespace YLErp.Modules.RiskModule
             foreach (var item in positions)
             {
                 CheckUnderlyingRequest clientOrderParam = new CheckUnderlyingRequest() { clientId = clientId, securityId = item.UnderlyingCode, orderQty = item.PosiQuantity * 0.0001m, side = item.PositionType - 1 };
+                _logger.Info($"[CheckUnderlyingWhiteList] 构建请求参数 - clientId: {clientId}, securityId: {item.UnderlyingCode}, orderQty: {item.PosiQuantity * 0.0001m}, side: {item.PositionType - 1}");
                 clientOrderParams.Add(clientOrderParam);
             }
             if (!string.IsNullOrEmpty(baseUrl) && !string.IsNullOrEmpty(checkUrl))
diff --git a/YLErpWeb/Controllers/AccountController.cs b/YLErpWeb/Controllers/AccountController.cs
index e9fe8a92..4fb4fc1a 100644
--- a/YLErpWeb/Controllers/AccountController.cs
+++ b/YLErpWeb/Controllers/AccountController.cs
@@ -311,13 +311,9 @@ 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))
+            // 先将当前 JWT Token 加入黑名单（使其立即失效），然后再删除 Cookie
+            string accessToken = null;
+            if (Request.Cookies.TryGetValue("Access-Token", out accessToken) && !string.IsNullOrEmpty(accessToken))
             {
                 try
                 {
@@ -340,6 +336,11 @@ namespace YLErp.Web.Controllers
                 }
             }
 
+            // 清除 JWT Token Cookie（在加入黑名单之后）
+            Response.Cookies.Delete("Access-Token");
+            Response.Cookies.Delete("Access-Token-Encrypt");
+            logger.Info($"[退出登录] JWT Token Cookie 已清除");
+
             if (SsoLoginConfig.SSO_Enable)
             {
                 switch (loginName?.ToLowerInvariant())
diff --git a/YLErpWeb/Middleware/RefreshTokenMiddleware.cs b/YLErpWeb/Middleware/RefreshTokenMiddleware.cs
index 2ace3483..da37529e 100644
--- a/YLErpWeb/Middleware/RefreshTokenMiddleware.cs
+++ b/YLErpWeb/Middleware/RefreshTokenMiddleware.cs
@@ -34,6 +34,25 @@ namespace YLErp.Web.Middleware
         /// <param name="context">HTTP上下文</param>
         public async Task InvokeAsync(HttpContext context)
         {
+            // 获取当前请求路径
+            var path = context.Request.Path.Value?.ToLowerInvariant() ?? "";
+            
+            // 跳过登录相关页面和静态资源，避免黑名单Token影响登录流程
+            if (path.StartsWith("/account/login") || 
+                path.StartsWith("/account/logout") || 
+                path.StartsWith("/account/captcha") ||
+                path.StartsWith("/account/sso") ||
+                path.StartsWith("/account/callback") ||
+                path.StartsWith("/content/") ||
+                path.StartsWith("/scripts/") ||
+                path.StartsWith("/css/") ||
+                path.StartsWith("/images/") ||
+                path.StartsWith("/favicon.ico"))
+            {
+                await _next(context);
+                return;
+            }
+            
             // 检查是否有Access-Token
             if (context.Request.Cookies.TryGetValue("Access-Token", out var token))
             {
@@ -66,7 +85,8 @@ namespace YLErp.Web.Middleware
                         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");
+                        context.Response.ContentType = "text/plain; charset=utf-8";
+                        await context.Response.WriteAsync("Token has expired / Token已失效，请重新登录 (Please go to login page / 请访问登录页面: /Account/Login)");
                         return;
                     }