diff --git a/inlong-common/src/main/java/org/apache/inlong/common/msg/AttributeConstants.java b/inlong-common/src/main/java/org/apache/inlong/common/msg/AttributeConstants.java
index 6a4d23f30b..974579d16e 100644
--- a/inlong-common/src/main/java/org/apache/inlong/common/msg/AttributeConstants.java
+++ b/inlong-common/src/main/java/org/apache/inlong/common/msg/AttributeConstants.java
@@ -104,13 +104,13 @@ public interface AttributeConstants {
 
     // Message reporting time, in milliseconds
     // Provided by the initial sender of the data, and passed to
-    // the downstream by the Bus without modification for the downstream to
+    // the downstream by the DataProxy without modification for the downstream to
     // calculate the end-to-end message delay; if this field does not exist in the request,
-    // it will be added by the Bus with the current time
+    // it will be added by the DataProxy with the current time
     String MSG_RPT_TIME = "rtms";
 
     // inlong sdk version
-    String PROXY_SDK_VERSION = "inlongSdkVer";
+    String PROXY_SDK_VERSION = "sdkVersion";
 
     // Audit version is used for audit to reconciliation
     String AUDIT_VERSION = "auditVersion";