修改

src/components/school/student/student-visit.vue

@@ -2,7 +2,7 @@
   .studentDate .el-input__inner {
     background-color: transparent;
     border: 0;
-    /* height: 28px!important; */
+    height: 28px!important;
   }
 
  .el-select-dropdown{
@@ -20,7 +20,7 @@
           v-model="VisitMsg.School_Id" :options="schoolList" emit-value map-options label="到访校区" />
         <q-field filled class="q-pb-lg" dense>
            <template v-slot:control>
-            <el-date-picker v-model="VisitMsg.Date" size="mini" style="height:28px;width:228px" type="date" placeholder="到访日期">
+            <el-date-picker v-model="VisitMsg.Date" size="mini" style="width:228px" type="date" placeholder="到访日期">
             </el-date-picker>
           </template>
         </q-field>