diff --git a/api/@ohos.net.connection.d.ts b/api/@ohos.net.connection.d.ts
index ea1121b4d85a7db374383f31e5721178f524d564..77c7b815bc6585be6823ec2669a4512814f14b1f 100644
--- a/api/@ohos.net.connection.d.ts
+++ b/api/@ohos.net.connection.d.ts
@@ -105,6 +105,7 @@ declare namespace connection {
    * Checks whether the default data network is activated.
    *
    * @param callback Returns {@code true} if the default data network is activated; returns {@code false} otherwise.
+   * @permission ohos.permission.GET_NETWORK_INFO
    */
   function hasDefaultNet(callback: AsyncCallback<boolean>): void;
   function hasDefaultNet(): Promise<boolean>;
diff --git a/api/@ohos.net.socket.d.ts b/api/@ohos.net.socket.d.ts
index aceaa13962cea1cc3cbabc0fbcdea02013f93340..44ceea9acbc351d01d89fd8175ea5b53d812de2d 100644
--- a/api/@ohos.net.socket.d.ts
+++ b/api/@ohos.net.socket.d.ts
@@ -25,6 +25,11 @@ import cryptoFramework from "./@ohos.security.cryptoFramework";
  */
 declare namespace socket {
   export import NetAddress = connection.NetAddress;
+  /**
+   * Deposit certificate
+   *
+   * @since 9
+   */
   export type X509CertRawData = cryptoFramework.EncodingBlob;
 
   /**