乌当生育全程签约末次月经时间改为非必填，默认为1900-01-01；

src/views/signingWD/index.vue

@@ -49,7 +49,7 @@
             <div class="td text-right">
               <div class="td-table" @click="openPickerLastMensesTime">
                 <div class="td-table-cell text">
-                  <span v-if="BaseForm.lastMensesTime === ''">请选择末次月经时间</span>
+                  <span v-if="BaseForm.lastMensesTime === ''" style="color:#FF9B44;">领取儿童健康券时可不填写</span>
                   <span v-else class="light">{{BaseForm.lastMensesTime}}</span>
                   <!-- {{BaseForm.lastMensesTime !== '' ? BaseForm.lastMensesTime : '请选择末次月经时间'}} -->
                 </div>
@@ -813,7 +813,7 @@ export default {
     BaseValidateHandle () { // 表单验证
       this.BaseValidateName()
       this.BaseValidateIdCard()
-      this.BaseValidateMensesLastDate()
+      // this.BaseValidateMensesLastDate()
       this.BaseValidatePhone()
       this.BaseValidateAddress()
       this.BaseValidateStreet()
@@ -1153,7 +1153,7 @@ export default {
         'group_id': this.groupId,
         'orgId': this.orgId,
         'idCard': this.BaseForm.idCard,
-        'pregnantDate': this.BaseForm.lastMensesTime,
+        'pregnantDate': this.BaseForm.lastMensesTime === '' ? '1900-01-01' : this.BaseForm.lastMensesTime,
         'imagedate': this.signatureImage,
         'name': this.BaseForm.name,
         'phoneNumber': this.BaseForm.phone,