修正 cron 表达式示例格式，补充秒和分钟字段

Author: SolonCode

soloncode-cli/src/main/resources/static/js/app-loop.js

@@ -506,9 +506,9 @@
         html += '<label class="loop-radio"><input type="radio" name="loopScheduleType" value="cron"/> Cron 表达式</label>';
         html += '<input type="text" class="loop-input loop-input-sm" id="loopFormCron" placeholder="0 */5 * * * ?"/>';
         html += '<span class="loop-cron-hint">示例:</span> ';
-        html += '<a class="loop-cron-link" data-cron="0 */2 * * * ?">每2小时</a>';
-        html += '<a class="loop-cron-link" data-cron="0 22 * * * ?">每天22点</a> ';
-        html += '<a class="loop-cron-link" data-cron="0 0 * * 1 ?">每周一</a> ';
+        html += '<a class="loop-cron-link" data-cron="0 0 */2 * * ?">每2小时</a>';
+        html += '<a class="loop-cron-link" data-cron="0 0 22 * * ?">每天22点</a> ';
+        html += '<a class="loop-cron-link" data-cron="0 0 0 * * 1">每周一</a> ';
         html += '</div>';
         html += '</div>';
         html += '</div>';  // 结束 loop-form-schedule