选择专业中，选择学科中要设置最小高度

src/views/index.vue

@@ -32,6 +32,7 @@
               <ul class="item">
                 <li
                   :id="'subject_' + index + '_' + sIndex"
+                  class="card"
                   :class="{'no-active' : subject.openFlag == 0, 'has-bind' : subject.bindCardStatus == 1}"
                   v-for="(subject, sIndex) in item.secondSubjectModelList"
                   :key="sIndex"
@@ -431,6 +432,7 @@ export default {
           }
           .item {
             li {
+              min-height: px2rem(60px);
               position: relative;
               top: 0;
               left: 0;