1. 修改上传文件接口返回值

src/main/java/com/supervision/minio/controller/MinioController.java

@@ -17,8 +17,9 @@ public class MinioController {
     private MinioService minioService;
 
     @PostMapping("/uploadFile")
-    public String uploadFile(@RequestPart("file") MultipartFile file) throws IOException {
-        return minioService.uploadFile(file);
+    public R<String> uploadFile(@RequestPart("file") MultipartFile file) throws IOException {
+        String fileId = minioService.uploadFile(file);
+        return R.ok(fileId);
     }
 
     @GetMapping("/downloadFile")