Merge pull request #230760 in DEC/fineui from release/11.0 to bugfix/11.0

* commit '186991cdf12ecb9e9c188ed82c48c90a49ac73dc':
  REPORT-92800 fix:FR11样式-控件-yyyy-MM格式的日期控件，无法选中2月份

src/core/2.base.js

@@ -1130,7 +1130,7 @@
                 m = today.getMonth();
             }
             if (isNaN(d)) {
-                d = today.getDate();
+                d = Math.min(BI.getMonthDays(BI.getDate(y, m)), today.getDate());
             }
             if (isNaN(hr)) {
                 hr = today.getHours();