Why is the verification code not displayed when querying Jiangsu Telecom’s online business hall?

Reasons for the verification code not being displayed in the Telecom Online Business Hall:

1. The currently connected network is slow and the verification code cannot be refreshed.

2. The browser cache file is too large, which affects the loading speed of web pages.

Solution:

1. Close the current webpage and reopen it. After opening, click the verification code refresh button.

2. Taking 360 Browser as an example, click the "Tools-Clear Internet Traces" option in the browser page to clear the browser cache files.