1, use Photoshop software on the computer to open the machine that needs to be modified to invoice;

2. For example, if you want to change an item on the invoice from 482.00 to 569.69, click the repair tool in the left toolbar;

3. Hold down the left mouse button and move the repair tool to draw a circle, so the amount is 482.00;

4. Move the mouse pointer to the circle drawn by the patching tool, and press and hold the left mouse button to move the circle to the area with similar color in the picture, thus removing 482.00 perfectly;

5. Click the "T" icon in the left toolbar, then click the color picker, select the color on the word "person", and then click the OK button;

6. As shown in the figure, enter 596.69 in the position before 482.00, and then select the corresponding font and font size.