diff --git a/apollo-core/src/main/java/com/ctrip/framework/apollo/core/enums/ConfigurationChangeTypeUtils.java b/apollo-core/src/main/java/com/ctrip/framework/apollo/core/enums/ConfigurationChangeTypeUtils.java
index 57218707..c996ef0c 100644
--- a/apollo-core/src/main/java/com/ctrip/framework/apollo/core/enums/ConfigurationChangeTypeUtils.java
+++ b/apollo-core/src/main/java/com/ctrip/framework/apollo/core/enums/ConfigurationChangeTypeUtils.java
@@ -24,7 +24,7 @@
  * The class provides simple functionalities that extend the capabilities of
  * {@link ConfigurationChangeType}
  *
- * @author json
+ * @since 2.0.0
  */
 public final class ConfigurationChangeTypeUtils {