There are the following steps:

1. On the Taobao homepage, click to log in, enter the seller account, and click "Seller Center" at the top of the homepage to enter the Taobao Seller Center homepage.

2. Find the "Store Decoration" of common operations in the left column of the homepage, and click to enter the decoration page.

3. In the "Module" decoration page, click "Page Edit", put the mouse on the navigation page and press the right button, the word "Edit" will appear, and continue to click to enter.

4. At this time, you can see the navigation settings, where you can add, delete, or sort. First, let's take a look at how to add accessories to the navigation settings, click "Add" in the lower right corner.

5. At this time, you can see that there are three accessories that can be added: "Baby Category", "Page" and "Custom Link". Note that these three accessories also need to be created by yourself, so here we will create the "Baby Category" accessory first. Click "Add Now".

6. In the new editing page that pops up, select "Add automatic classification", then check the options as needed, and click "OK" to create the baby classification accessory. Of course, if you want to name it yourself, you can choose "Add manual classification".

7. After successfully creating the accessory, return to the "Navigation Settings" page and click "Add". You will find that the accessories you just created have appeared in the selection items. Check them and click "OK". The accessories for "Baby Classification" are added successfully.

8. On the right side of these options, click the up and down arrows to move up or down, and the cross icon means to delete.

9. Similarly, if you want to continue to add the two accessories "Page" and "Custom Link", create them respectively, and then return to the "Navigation Settings" page to add and set them.