fix issue

web_src/js/features/cloudbrainShow.js

@@ -282,7 +282,8 @@ export default async function initCloudrainSow() {
         });
 
         let test = $(`#log_file${version_name}`).nextAll();
-        $(`#log${version_name} input[name=init_log]`).val(test[0].innerHTML);
+        test.length !== 0 &&
+          $(`#log${version_name} input[name=init_log]`).val(test[0].innerHTML);
 
         scrollAnimation(
           logContentDom,