diff --git a/zh-cn/application-dev/reference/apis/js-apis-notification.md b/zh-cn/application-dev/reference/apis/js-apis-notification.md
index 3c2e2b3a2fc25192293f5197030cdb3bcb2c7450..61aa7aee0efc83ffcf671422b1c7557eeb453728 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-notification.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-notification.md
@@ -2646,7 +2646,7 @@ Notification.cancelAsBundle(0, representativeBundle, userId).then(() => {
 });
 ```
 
-### Notification.enableNotificationSlot <sup>9+</sup>
+## Notification.enableNotificationSlot <sup>9+</sup>
 
 enableNotificationSlot(bundle: BundleOption, type: SlotType, enable: boolean, callback: AsyncCallback<void>): void
 
@@ -2678,7 +2678,7 @@ Notification.enableNotificationSlot(
     enableSlotCallback);
 ```
 
-### Notification.enableNotificationSlot <sup>9+</sup>
+## Notification.enableNotificationSlot <sup>9+</sup>
 
 enableNotificationSlot(bundle: BundleOption, type: SlotType, enable: boolean): Promise<void> 
 
@@ -2706,7 +2706,7 @@ Notification.enableNotificationSlot(
     });
 ```
 
-### Notification.isNotificationSlotEnabled <sup>9+</sup>
+## Notification.isNotificationSlotEnabled <sup>9+</sup>
 
 isNotificationSlotEnabled(bundle: BundleOption, type: SlotType, callback: AsyncCallback<boolean>): void
 
@@ -2736,7 +2736,7 @@ Notification.isNotificationSlotEnabled(
     getEnableSlotCallback);
 ```
 
-### Notification.isNotificationSlotEnabled <sup>9+</sup>
+## Notification.isNotificationSlotEnabled <sup>9+</sup>
 
 isNotificationSlotEnabled(bundle: BundleOption, type: SlotType): Promise<boolean>