diff --git a/dolphinscheduler-extract/dolphinscheduler-extract-base/src/main/java/org/apache/dolphinscheduler/extract/base/config/NettyServerConfig.java b/dolphinscheduler-extract/dolphinscheduler-extract-base/src/main/java/org/apache/dolphinscheduler/extract/base/config/NettyServerConfig.java
index 6a38b08c158c..cc0aa04f68c9 100644
--- a/dolphinscheduler-extract/dolphinscheduler-extract-base/src/main/java/org/apache/dolphinscheduler/extract/base/config/NettyServerConfig.java
+++ b/dolphinscheduler-extract/dolphinscheduler-extract-base/src/main/java/org/apache/dolphinscheduler/extract/base/config/NettyServerConfig.java
@@ -39,7 +39,7 @@ public class NettyServerConfig {
     private int soBacklog = 1024;
 
     /**
-     * whether tpc delay
+     * whether tcp delay
      */
     @Builder.Default
     private boolean tcpNoDelay = true;