ebiz-ai-knowledge-manage/src/assets/sass/renderSass/input.scss

.underBorder {
  border: unset;
  .el-input__inner {
    border: unset;
  }

  .el-input-group__prepend {
    background: #fff;
    border: unset;
    padding: 0 0 0 10px;
  }
}

.el-input--medium {
  .el-input__inner {
    height: 30px;
    line-height: 30px;
  }
  .el-input__icon {
    line-height: 30px;
  }
}