message: [Improvement] SubmitBar: adjsut font-size
diff: }
  &__price-text {
  + font-size: 15px;
  color: $gray-darker;
  - font-size: 16px;
  }
  &__price-interger {
  width: 110px;
  height: 100%;
  border-radius: 0;
  + font-size: 15px;
  &--disabled {
  border: none;
  }
  -
  - .van-loading__spinner--white {
  - border-color: rgba(255,255,255, .8);
  - border-top-color: transparent;
  - }
  }
  }
  