Flutter Textarea 设备背景色

              TextFormField(
                enabled: false,
                decoration: const InputDecoration(
                  hintText: '请输入日志内容',
                  border: InputBorder.none,
                  filled: true,
                  fillColor: Colors.white,
                ),
                minLines: 6,
                // any number you need (It works as the rows for the textarea)
                keyboardType: TextInputType.multiline,
                maxLines: null,
              ),