diff --git a/yudao-gateway/src/main/java/cn/iocoder/yudao/gateway/filter/cors/CorsResponseHeaderFilter.java b/yudao-gateway/src/main/java/cn/iocoder/yudao/gateway/filter/cors/CorsResponseHeaderFilter.java
index 3ea0bd218..16919ab32 100644
--- a/yudao-gateway/src/main/java/cn/iocoder/yudao/gateway/filter/cors/CorsResponseHeaderFilter.java
+++ b/yudao-gateway/src/main/java/cn/iocoder/yudao/gateway/filter/cors/CorsResponseHeaderFilter.java
@@ -13,7 +13,7 @@ import java.util.ArrayList;
 
 /**
  * 解决 Spring Cloud Gateway 2.x 跨域时，出现重复 Origin 的 BUG
- *
+ * <p>
  * 参考文档：<a href="https://blog.csdn.net/zimou5581/article/details/90043178" />
  *
  * @author 芋道源码
@@ -30,7 +30,7 @@ public class CorsResponseHeaderFilter implements GlobalFilter, Ordered {
 
     @Override
     public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
-        return chain.filter(exchange).then(Mono.defer(() -> {
+        return chain.filter(exchange).then(Mono.fromRunnable(() -> {
             exchange.getResponse().getHeaders().entrySet().stream()
                     .filter(kv -> (kv.getValue() != null && kv.getValue().size() > 1))
                     .filter(kv -> (kv.getKey().equals(HttpHeaders.ACCESS_CONTROL_ALLOW_ORIGIN)
@@ -38,7 +38,6 @@ public class CorsResponseHeaderFilter implements GlobalFilter, Ordered {
                     .forEach(kv -> kv.setValue(new ArrayList<String>() {{
                         add(kv.getValue().get(0));
                     }}));
-            return chain.filter(exchange);
         }));
     }