Pull request #259132: REPORT-111844 fix:【填报-预览】更换FR样式后，预览时间不同（可复现）

Merge in DEC/fineui from ~KEVIN.KING/fineui:release/11.0 to release/11.0

* commit '714ef52b0239b00d278bc75d3bba878aa890169b':
  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();