1. The device settings under the same account are inconsistent: Please make sure to use the same account on Sina Finance's computer and iPad, and the synchronization option in the account settings has been turned on.

2. Network connection problem: Unstable or slow network connection may lead to delayed or abnormal data synchronization. It is recommended that you ensure the normal network connection when using Sina Finance, and try to log in again or restart the device.

3. Inconsistent versions of Sina Finance Application: If you use different versions of Sina Finance Application on your computer and iPad, it may lead to data synchronization problems. Please make sure that the latest version of the application is installed on both ends.

If none of the above methods work, you can try the following methods:

1. Clear the cache: clear the application cache on Sina Finance Computer and iPad respectively, and then log in to the account again.

2. Check account authority: Check whether your account has the authority to synchronize data. Sometimes you need extra authorization to synchronize data.

If the above methods can't solve the problem, I suggest you contact the customer service support of Sina Finance, and they will be able to provide more specific help.