update 优化 增加oss扩展contentType存储

ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysOssServiceImpl.java

@@ -203,6 +203,7 @@ public class SysOssServiceImpl implements ISysOssService, OssService {
         }
         SysOssExt ext1 = new SysOssExt();
         ext1.setFileSize(file.getSize());
+        ext1.setContentType(file.getContentType());
         // 保存文件信息
         return buildResultEntity(originalfileName, suffix, storage.getConfigKey(), uploadResult, ext1);
     }