Why can't Unicom SMS recharge the starting currency?

According to the website tips, you can recharge through Unicom's SMS. At present, an account has been registered, email address 163, and the test is as follows:

Click Next, and the prompt is as shown in the figure (the specific message content seems to be arranged according to different accounts, so it is blocked):

The actual SMS operation instructions are as shown in the figure (my mobile phone time is different from the system time, so the first SMS is below, please don't mind = =, and there are Unicom SMS messages after consumption, so I won't take screenshots):

After the recharge is completed, the query does have 100 points, as shown in the figure:

Another possibility is that operators in some areas may not support SMS, so I can only suggest that you actually test the SMS code after you get it, pay attention to the deduction of the SMS fee after sending it, and consider it carefully ~