diff --git a/api/@ohos.net.connection.d.ts b/api/@ohos.net.connection.d.ts
index 84576eeee742051a4a1807706e0eb3e49fe14f02..ca278ee446606b1c534f38fa16235d7c7160f58a 100644
--- a/api/@ohos.net.connection.d.ts
+++ b/api/@ohos.net.connection.d.ts
@@ -22,6 +22,7 @@ import socket from "./@ohos.net.socket";
  *
  * @since 8
  * @syscap SystemCapability.Communication.NetManager.Core
+ * @throws 9+ Will throw an error if the argument type or number is wrong
  */
 declare namespace connection {
   type HttpRequest = http.HttpRequest;
diff --git a/api/@ohos.net.http.d.ts b/api/@ohos.net.http.d.ts
index ce56e5554957fe12ba729defb9f8c3e8ae6abfaa..33641ba1b90a2235939e9d11e56a050c19e7fdb5 100644
--- a/api/@ohos.net.http.d.ts
+++ b/api/@ohos.net.http.d.ts
@@ -20,6 +20,7 @@ import {AsyncCallback, Callback} from "./basic";
  *
  * @since 6
  * @syscap SystemCapability.Communication.NetStack
+ * @throws 9+ Will throw an error if the argument type or number is wrong
  */
 declare namespace http {
   /**
diff --git a/api/@ohos.net.socket.d.ts b/api/@ohos.net.socket.d.ts
index 3fcdd5c8f99714b285935773210c22b68e1fa585..cea5f6a24a63770a8a06a595d0ffa875a485a0a4 100644
--- a/api/@ohos.net.socket.d.ts
+++ b/api/@ohos.net.socket.d.ts
@@ -22,6 +22,7 @@ import cryptoFramework from "./@ohos.security.cryptoFramework";
  *
  * @since 7
  * @syscap SystemCapability.Communication.NetStack
+ * @throws 9+ Will throw an error if the argument type or number is wrong
  */
 declare namespace socket {
   export import NetAddress = connection.NetAddress;
diff --git a/api/@ohos.net.webSocket.d.ts b/api/@ohos.net.webSocket.d.ts
index cbb967bee4a57a447048c9ab4d135df7a8da7385..3c08289c5fef35d494e95b8605e3ed295addb538 100644
--- a/api/@ohos.net.webSocket.d.ts
+++ b/api/@ohos.net.webSocket.d.ts
@@ -20,6 +20,7 @@ import {AsyncCallback, ErrorCallback} from "./basic";
  *
  * @since 6
  * @syscap SystemCapability.Communication.NetStack
+ * @throws 9+ Will throw an error if the argument type or number is wrong
  */
 declare namespace webSocket {
   /**
@@ -123,4 +124,4 @@ declare namespace webSocket {
   }
 }
 
-export default webSocket;
\ No newline at end of file
+export default webSocket;