diff --git a/ani/ani.h b/ani/ani.h
index fa9278f31904bafdd468c94cc952a23a94a75358..c6c93665f07adc682fa216493b6b74656e6adc42 100644
--- a/ani/ani.h
+++ b/ani/ani.h
@@ -13,6 +13,25 @@
  * limitations under the License.
  */
 
+/**
+ * @addtogroup ANI
+ * @{
+ *
+ * @brief Describe the APIs of ANI.
+ *
+ * @syscap SystemCapability.ArkCompiler.ANI
+ * @since 20
+ */
+
+/**
+ * @file ani.h
+ *
+ * @brief Defines APIs of ANI.
+ *
+ * @syscap SystemCapability.ArkCompiler.ANI
+ * @since 20
+ */
+
 #ifndef __ANI_H__
 #define __ANI_H__
 // NOLINTBEGIN