2. In the client toolkit, find the bos platform in the lower left corner, click, then click the bos data exchange platform on the right, and then click Open in the lower right corner.

3. After opening, enter an interface, enter the account password and enter the data exchange platform of the system.

4. On the data exchange platform, select supply chain data, and then click New Task in the upper left corner. Then a file export and import tool will pop up.

5. Then click Export to open the document type, select the purchase order, click the first button in the upper left corner to filter, enter the purchase order list, select the previous order, and click Return. Return to the export interface, select the export file type: spreadsheet, and select the file path. Click Execute, and the order you just selected will be brought out.

6. Open the derived purchase order, modify the related data of two tables, page 1 and page2, and save it.

7. Then, return to the interface of document import and export, and click Import. Select the file name to import. Click the second button in the upper left corner to execute, and it's OK.

8. Then, exit the data exchange platform and client data package, return to the k/3 main interface, enter the purchase order list, and you can see the newly introduced orders.