diff --git a/api/@ohos.net.connection.d.ts b/api/@ohos.net.connection.d.ts
index 84576eeee742051a4a1807706e0eb3e49fe14f02..6ec77dc8a8b6d10d2a11623376955d441b933dec 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+ {BusinessError} -1 - parse param failed
  */
 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..de18b33e1ef4a03925d36aab05eb033c7f5f1394 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+ {BusinessError} -1 - parse param failed
  */
 declare namespace http {
   /**
diff --git a/api/@ohos.net.socket.d.ts b/api/@ohos.net.socket.d.ts
index 3fcdd5c8f99714b285935773210c22b68e1fa585..3437d8c1c4d6bcb96113a3e4f31f41c4a61cb2ce 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+ {BusinessError} -1 - parse param failed
  */
 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..53b24ac2e11c6a41ef91a93fc47d8c66756b3154 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+ {BusinessError} -1 - parse param failed
  */
 declare namespace webSocket {
   /**