diff --git a/api/@ohos.systemTimer.d.ts b/api/@ohos.systemTimer.d.ts
index ce4b498df..649baf33e 100644
--- a/api/@ohos.systemTimer.d.ts
+++ b/api/@ohos.systemTimer.d.ts
@@ -33,7 +33,7 @@ declare namespace systemTimer {
   /**
    * Indicates the timing policy the timer use, which can be REALTIME or UTC.
    *
-   * @constant
+   *
    * @syscap SystemCapability.MiscServices.Time
    * @systemapi Hide this for inner system use.
    * @since 7
@@ -43,7 +43,7 @@ declare namespace systemTimer {
   /**
    * Describes whether a timer will wake the device up.
    *
-   * @constant
+   *
    * @syscap SystemCapability.MiscServices.Time
    * @systemapi Hide this for inner system use.
    * @since 7
@@ -53,7 +53,7 @@ declare namespace systemTimer {
   /**
    * Describes whether a timer will be delivered precisely at a scheduled time.
    *
-   * @constant
+   *
    * @syscap SystemCapability.MiscServices.Time
    * @systemapi Hide this for inner system use.
    * @since 7
@@ -63,7 +63,7 @@ declare namespace systemTimer {
   /**
    * Indicates whether the timer waking up the system is supported in low-power mode.
    *
-   * @constant
+   *
    * @syscap SystemCapability.MiscServices.Time
    * @systemapi Hide this for inner system use.
    * @since 7