diff --git a/changelog.md b/changelog.md
index b6ae81cf..6f0e378a 100644
--- a/changelog.md
+++ b/changelog.md
@@ -4,6 +4,7 @@
 
 - 升级`spring-boot/spring-cloud/spring-cloud-alibaba`版本
 - 修复`DataBufferLimitException: Exceeded limit on max bytes to buffer : 262144`问题
+- 修复压测出现`ClosedChannelException`问题
 
 ## 4.2.7
 
diff --git a/doc/docs/files/90100_常见问题.md b/doc/docs/files/90100_常见问题.md
index 67e11668..917a2974 100644
--- a/doc/docs/files/90100_常见问题.md
+++ b/doc/docs/files/90100_常见问题.md
@@ -1,5 +1,13 @@
 # 常见问题
 
+## Connection has been closed BEFORE send operation
+
+压测时出现`Connection has been closed BEFORE send operation`，`java.nio.channels.ClosedChannelException`之类的错误
+
+- 解决办法
+
+尝试调大内存分配1G或2G，`-Xms1g -Xmx1g`
+
 ## spring cloud gateway [DataBufferLimitException: Exceeded limit on max bytes to buffer : 262144]
 
 如果POST请求body内容太大可能会报这个错误
diff --git a/sop-gateway/src/main/resources/META-INF/gateway.properties b/sop-gateway/src/main/resources/META-INF/gateway.properties
index 399730eb..04a47379 100644
--- a/sop-gateway/src/main/resources/META-INF/gateway.properties
+++ b/sop-gateway/src/main/resources/META-INF/gateway.properties
@@ -36,6 +36,7 @@ spring.cloud.gateway.discovery.locator.lower-case-service-id=true
 spring.cloud.gateway.discovery.locator.enabled=true
 # \u54CD\u5E94\u8D85\u65F6\uFF0C\u9ED8\u8BA410\u79D2\uFF0810000\uFF09
 spring.cloud.gateway.httpclient.response-timeout=10000
+spring.cloud.gateway.httpclient.pool.max-idle-time=60000
 
 # \u4E0D\u7528\u6539
 mybatis.mapper-locations=classpath:mybatis/mapper/*.xml