To put your own Doudian merchant link on Alibaba, you can follow the steps below:

1. First, register an account on Alibaba's official website or log in to an existing account.

2. After successfully logging in, find the "Marketing Promotion" option at the top of the page, hover your mouse over it, and then select "Business Opportunity Promotion".

3. On the business opportunity promotion page, find the "Publish Business Opportunity" or a similar button and click it.

4. After entering the business opportunity information release page, fill in the relevant information of the business opportunity, including industry classification, product description, contact information, etc.

5. When the information is completed, you can choose to put the Doudian merchant link in one of the fields or insert it directly in the product description.

6. Click the "Publish" button to submit the business opportunity information.

7. After the release is completed, Alibaba's review team will review the business opportunity information and pass it if it meets the requirements.

8. After the review is passed, other users can search for your business opportunity information on Alibaba and access your Doudian merchant through the link in the business opportunity information. Please note that the above steps are for reference only, and the specific operations may change due to the update of the Alibaba website. You can find relevant help documents on the Alibaba website or contact customer service for detailed instructions.

To go online on Alibaba Link, Doudian merchants need to first register an account on Alibaba's official website and fill in relevant information.

Then, merchants need to log in to the Doudian platform, enter the store management page, and select "Alibaba Link Access" in the store settings.

Next, merchants need to fill in the store information according to the prompts, including store name, business scope, contact information, etc., and upload relevant certificates and pictures.

Finally, merchants need to submit an application and wait for the review to pass. Alibaba Link will be successfully connected to the Doudian platform, and the merchant's products and store information will be displayed on the Alibaba platform.

Doudian merchants can link to Alibaba through the following steps:

1. Open the Doudian merchant management backend and select the "Marketing Promotion" option in the left menu bar. 2. On the "Marketing Promotion" page, select the "Taobao Affiliate" promotion method. 3. On the "Taobao Affiliate" page, select the "Add Task" button. 4. On the "Add Task" page, fill in the task information, including task name, task description, task price, etc. 5. On the "Add Task" page, select the "Add to Baby" button. 6. After completing the task creation, merchants can see the corresponding promotion tasks on the Doudian homepage and enter the Alibaba website through the task link. It should be noted that different Taobao Affiliate platforms may have different operating procedures and detailed regulations. Merchants need to read the relevant instructions carefully before operation.