The short message on the electronic delivery platform has no number.

The reason is that the mobile phone number is not filled in correctly, the platform is faulty or there are technical problems.

1. Incorrect mobile phone number: when registering or providing contact information, the mobile phone number is incorrectly filled, which makes it impossible to receive short messages. Check and confirm that the provided mobile phone number is correct.

2. Platform failure or technical problems: The electronic delivery platform will encounter technical failures or problems, which will make it impossible to send short messages to the designated number. In this case, please contact the customer service or technical support of the platform for help.