<textarea id="Represent" name="MySecondHand[Represent]" value="{{ old('MySecondHand')['Represent'] }}" required type="text" placeholder="请输入8-200字的描述"></textarea>
你的问题懂了吗,我也想问
<textarea id="Represent" name="MySecondHand[Represent]" required type="text" placeholder="请输入8-200字的描述">{{ old('MySecondHand')['Represent'] }}</textarea>