| 摘要 |
<p>The present invention relates to a handheld device, comprising: an NFC communication module, a verification module, and a key input module. The NFC communication module is used for establishing NFC communication with a lock apparatus; the verification module is used for performing key verification with the lock apparatus according to a key provided by a device provider after the NFC communication module establishes the NFC communication with the lock apparatus; and the key input module is used for sending an unlocking password input by a user to the lock apparatus after the key verification is passed, so as to perform verification unlocking again, thereby improving the security.</p> |
