yiu_fit_itm_2_msk ｜ item in p1 to mask size and position in p2

方便使用居中拍摄的商品图，在工作流中，直接放在背景图上的特定位置。

只需上传产品图以及背景图，在背景图的遮罩中画出产品位置，即可通过工作流，将产品缩放移动到对应位置。

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It is convenient to use the product image shot in the center, and place it directly in a specific position on the background image in the workflow.

Just upload the product image and the background image, draw the product position in the mask of the background image, and you can zoom and move the product to the corresponding position through the workflow.