跨域配置调整

ds-wms-service/DS.Module.Core/ServiceExtensions/CorsInstall.cs

@@ -31,8 +31,12 @@ public static class CorsInstall
                 policy.WithOrigins(corsUrl
                         .Split(",", StringSplitOptions.RemoveEmptyEntries).ToArray())
                     //policy.WithOrigins("http://localhost:5001")//支持多个域名端口，注意端口号后不要带/斜杆：比如localhost:8000/，是错的
-                    .AllowAnyHeader().AllowAnyMethod().AllowCredentials()
+                    .AllowAnyHeader().AllowAnyMethod().AllowCredentials();
-                    .WithExposedHeaders(exposedHeaders.Split(",", StringSplitOptions.RemoveEmptyEntries)); //允许cookie;
+
+                if (!string.IsNullOrEmpty(exposedHeaders))
+                {
+                    policy.WithExposedHeaders(exposedHeaders.Split(",", StringSplitOptions.RemoveEmptyEntries)); //允许cookie;
+                }
             });
         });