Merge branch 'feature-V2.0' of ssh://git.mooctest.com:1022/crowd-2019/crowd-test-service-backend into feature-V2.0

site/src/main/java/com/mooctest/crowd/site/service/impl/OSSUploadServiceImpl.java

@@ -11,6 +11,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.web.multipart.MultipartFile;
 import java.awt.*;
+import java.util.UUID;
 
 /**
  * @author: Diors.Po
@@ -29,7 +30,7 @@ public class OSSUploadServiceImpl implements UploadService {
 
     @Override
     public String uploadImage(MultipartFile file, Long userId) {
-        String fileName = UploadType.IMAGE+userId+"_"
+        String fileName = UploadType.IMAGE+userId+"_"+UUID.randomUUID()+"_"
                 +System.currentTimeMillis()+""
                 +file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf("."), file.getOriginalFilename().length());
         return doUpload(fileName, file);