Merge pull request #1185 from QingWei-Li/fix/select-time

TimeSelect: fix 00:00 is disabled, fixed #676

packages/date-picker/src/panel/time-select.vue

@@ -113,7 +113,7 @@
           while (compareTime(current, end) <= 0) {
             result.push({
               value: current,
-              disabled: compareTime(current, this.minTime || '00:00') <= 0
+              disabled: compareTime(current, this.minTime || '-1:-1') <= 0
             });
             current = nextTime(current, step);
           }