3.0 版本文件上传不显示上传选择文本域

Maven 依赖：

<dependency>
    <groupId>com.github.xiaoymin</groupId>
    <artifactId>knife4j-spring-boot-starter</artifactId>
    <version>3.0.2</version>
</dependency>

配置文件：

public Docket createRestApi() {
	return new Docket(DocumentationType.OAS_30)
		.apiInfo(apiInfo())
		.select()				            
                .apis(RequestHandlerSelectors.withClassAnnotation(Api.class))
		.paths(PathSelectors.any())
		.build();
}

上传代码：

@PostMapping(value = "/upload")
@ApiOperation(value = "上传文件")
public Result<Boolean> upload(@RequestPart(value = "file") MultipartFile file) {
	....
}

效果：
输入图片说明