BUG修复

themis-admin/src/main/java/com/qmth/themis/admin/api/DownloadController.java

@@ -59,9 +59,11 @@ public class DownloadController {
             if (Objects.isNull(tbClientVersion)) {
                 tbClientVersion = tbClientVersionService.getMaxClientVersion();
             }
-            VersionBean v = new VersionBean(tbClientVersion.getName(), tbClientVersion.getValue(), tbClientVersion.getUrl());
-            tbOrgDownloadBean.setVersion(v);
-            tbOrgDownloadBean.setPackagePath(v.getUrl());
+            if (Objects.nonNull(tbClientVersion)) {
+                VersionBean v = new VersionBean(tbClientVersion.getName(), tbClientVersion.getValue(), tbClientVersion.getUrl());
+                tbOrgDownloadBean.setVersion(v);
+                tbOrgDownloadBean.setPackagePath(v.getUrl());
+            }
             return ResultUtil.ok(tbOrgDownloadBean);
         } else {
             throw new BusinessException("超级管理员无需下载");