diff --git a/inlong-agent/agent-common/src/main/java/org/apache/inlong/agent/db/InstanceDb.java b/inlong-agent/agent-common/src/main/java/org/apache/inlong/agent/db/InstanceDb.java
index f95b4ec0202..dfc8a170552 100644
--- a/inlong-agent/agent-common/src/main/java/org/apache/inlong/agent/db/InstanceDb.java
+++ b/inlong-agent/agent-common/src/main/java/org/apache/inlong/agent/db/InstanceDb.java
@@ -28,7 +28,7 @@
 import java.util.List;
 
 /**
- * db interface for task profile.
+ * db interface for instance profile.
  */
 public class InstanceDb {