diff --git a/api/@ohos.net.connection.d.ts b/api/@ohos.net.connection.d.ts
index f3505732c..fdae1ea06 100644
--- a/api/@ohos.net.connection.d.ts
+++ b/api/@ohos.net.connection.d.ts
@@ -552,28 +552,21 @@ declare namespace connection {
      * @permission ohos.permission.GET_NETWORK_INFO
      * @throws {BusinessError} 201 - Permission denied.
      * @throws {BusinessError} 401 - Parameter error.
-     * @throws {BusinessError} 2100001 - Invalid parameter value.
      * @throws {BusinessError} 2100002 - Operation failed. Cannot connect to service.
      * @throws {BusinessError} 2100003 - System internal error.
-     * @throws {BusinessError} 2100105 - The parameter of netSpecifier or callback is nullptr.
-     * @throws {BusinessError} 2100202 - WriteInterfaceToken failed.
-     * @throws {BusinessError} 2100207 - Remote is null.
-     * @throws {BusinessError} 2100208 - The parameter of proxy is nullptr.
+     * @throws {BusinessError} 2101008 - The callback is not found.
      * @throws {BusinessError} 2101022 - The number of requests exceeded the maximum.
-     * @throws {BusinessError} 2101007 - The same callback exists.
      * @since 8
      */
     register(callback: AsyncCallback<void>): void;
 
     /**
      * Cancels listening for network status changes.
+     * @throws {BusinessError} 201 - Permission denied.
      * @throws {BusinessError} 401 - Parameter error.
      * @throws {BusinessError} 2100002 - Operation failed. Cannot connect to service.
      * @throws {BusinessError} 2100003 - System internal error.
-     * @throws {BusinessError} 2101008 - RegisterNetConnCallback find same callback.
      * @throws {BusinessError} 2100207 - Remote is null.
-     * @throws {BusinessError} 2100202 - WriteInterfaceToken failed.
-     * @throws {BusinessError} 2100105 - The parameter of netSpecifier or callback is nullptr.
      * @since 8
      */
     unregister(callback: AsyncCallback<void>): void;