diff --git a/changelog.md b/changelog.md
index 6f0e378a..69a2dd87 100644
--- a/changelog.md
+++ b/changelog.md
@@ -4,7 +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
+- 修复压测出现`ClosedChannelException`，`Connection has been closed BEFORE response`问题
 
 ## 4.2.7
 
diff --git a/sop-common/sop-gateway-common/src/main/java/com/gitee/sop/gatewaycommon/config/SopGatewayEnvironmentPostProcessor.java b/sop-common/sop-gateway-common/src/main/java/com/gitee/sop/gatewaycommon/config/SopGatewayEnvironmentPostProcessor.java
index 476f3083..d92ec8e1 100644
--- a/sop-common/sop-gateway-common/src/main/java/com/gitee/sop/gatewaycommon/config/SopGatewayEnvironmentPostProcessor.java
+++ b/sop-common/sop-gateway-common/src/main/java/com/gitee/sop/gatewaycommon/config/SopGatewayEnvironmentPostProcessor.java
@@ -40,9 +40,13 @@ public class SopGatewayEnvironmentPostProcessor implements EnvironmentPostProces
     }
 
     private void initMemSize(Properties properties) {
-        String size = properties.getProperty("spring.servlet.multipart.max-file-size", "10M");
-        DataSize dataSize = DataSize.parse(size);
-        properties.putIfAbsent("spring.codec.max-in-memory-size", dataSize.toBytes());
+        String maxFileSizeKey = "spring.servlet.multipart.max-file-size";
+        String maxMemSizeKey = "spring.codec.max-in-memory-size";
+        String defaultSize = "10M";
+        String maxUploadSize = properties.getProperty(maxFileSizeKey, defaultSize);
+        String maxBodySize = properties.getProperty(maxMemSizeKey, defaultSize);
+        long size = Math.max(DataSize.parse(maxUploadSize).toBytes(), DataSize.parse(maxBodySize).toBytes());
+        properties.put(maxMemSizeKey, size);
     }
 
 }