Ihe theory of the rule bases on democary and free worth of criminal procedure,It can make the defendant appeal without hesitation and protect himself .

• 它确立的理论基础在于诉讼的民主性及刑事诉讼的自由价值,使被告人能够毫无顾忌地行驶上诉权，保证被告人的诉讼地位不会由于上诉而更加恶化。(这段不会）