Merge pull request #259136 in DEC/fineui from bugfix/11.0 to feature/x

* commit '604b990dcde41f6859b2f5dfa4678881d97a24ca':
  REPORT-111844 fix:【填报-预览】更换FR样式后，预览时间不同（可复现）

packages/fineui/src/core/2.base.js

@@ -1367,7 +1367,7 @@ export function parseDateTime(str, fmt) {
         m = today.getMonth();
     }
     if (_global.isNaN(d)) {
-        d = Math.min(getMonthDays(getDate(y, m)), today.getDate());
+        d = 1;
     }
     if (_global.isNaN(hr)) {
         hr = today.getHours();