How to adjust gouache coke bottle?

Step 1: Draw the outline of the can with a pencil.

Step 2: Draw a monochrome sketch of the jar in pure blue along the pencil sketch.

Step 3: Adjust the color and draw the general tone of the cans.

Step 4: further color, shape the shape along the shape of the can with a pen, and draw the trademark of the can.

Step 5: Draw highlights, then adjust and improve the picture to draw a complete can.