diff --git a/api/@ohos.process.d.ts b/api/@ohos.process.d.ts
index 775f0974c27a1210a98f41720d78d9fc336b1521..39f8897d6efd4d83745c85797449aee2bcea95b2 100644
--- a/api/@ohos.process.d.ts
+++ b/api/@ohos.process.d.ts
@@ -22,7 +22,12 @@
 */
 
 declare namespace process {
-
+    /**
+    * The childprocess object can be used to create a new process.
+    * @since 7
+    * @syscap SystemCapability.Utils.Lang
+    * @systemapi Hide this for inner system use
+    */
     export interface ChildProcess {
         /**
         * return pid is the pid of the current process
diff --git a/api/@ohos.util.d.ts b/api/@ohos.util.d.ts
index a46db2c3e72eb067ef174f71cf47406543cdf3c8..18ccd2420ded4c152a5aa53543c8b9d8fa03a14f 100644
--- a/api/@ohos.util.d.ts
+++ b/api/@ohos.util.d.ts
@@ -269,7 +269,7 @@ declare namespace util {
         toString(): string;
     }
 
-    class LruBuffer {
+    class LruBuffer<K, V> {
         /**
          * Default constructor used to create a new LruBuffer instance with the default capacity of 64.
          * @since 8