Find official website of the fund company.
Find the account login entrance.
Use your ID number as the account name.
The initial password is the last six digits of your ID card.
You can see your own fund information after logging in.
You can find the dividend record you believe.
All fund companies have such an inquiry system.
Even if you don't buy the fund through the direct sales channel of the fund company.
As long as you are their customer, you can log in.