I can't get a text message from the insurance company

If you can't receive all the text messages, there may be something wrong with your mobile phone.

If you just didn't receive the message from Ping An Bank, then you probably didn't send it.

If you are not sure, you can ask whether the bank has sent a text message.

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.