How to get the verification code of Dr. Rainbow?

Fill in the system automatically generated.

Rainbow doctor verification code filling system automatically generates a string of 8 digits and a QR code.

Select the form and settings on the form list page, enter the settings page, select "Extended Application and Write-off Code", and check "Enable Write-off Code Function" to open the form write-off code. When submitting the form, the person filling in the form will automatically get a unique verification code, which can be saved and exchanged on the verification page when verification and ticket inspection are needed.