Merge branch 'download_name' of FanYanPeng/EAI-Backend into refactor

src/main/java/com/njuzr/eaibackend/config/WebConfig.java

@@ -29,6 +29,7 @@ public class WebConfig implements WebMvcConfigurer {
                 .allowedOriginPatterns("*")
                 .allowedMethods("GET", "POST", "PUT", "DELETE") // 允许的请求方法
                 .allowedHeaders("*") // 允许的请求头
+                .exposedHeaders("Content-Disposition") // 允许前端读取文件名响应头
                 .allowCredentials(true) // 允许发送Cookies
                 .maxAge(3600); // 预检请求的缓存时间（秒）
     }