修改flex布局,引入补位元素

src/components/m-exercise/components/subjectChangePopup.vue

@@ -23,6 +23,7 @@
 		</van-cell>
 		<div class="list-box">
 			<span :key="index" @click="changeCurrentSubjectIndex(index)" class="item" :class="subjectClass(item, index)" v-for="(item, index) in subjectList">{{ index + 1 }}</span>
+			<i v-for="item in 5"></i>
 		</div>
 	</div>
 </template>
@@ -102,5 +103,9 @@
 			align-items: center;
 			margin: 10px;
 		}
+		i {
+			width: 38px;
+			margin: 10px;
+		}
 	}
 </style>