修改样式

src/student/member-center/member-active.module.less

@@ -2,6 +2,14 @@
   font-size: 0;
   background-color: #ebe2b9;
 
+  .backIcon {
+    position: fixed;
+    top: 20px;
+    font-size: 22px;
+    color: #323233;
+    left: 0.42667rem;
+  }
+
   &>img {
     width: 100%;
     line-height: 0;

src/student/member-center/member-active.tsx

@@ -1,21 +1,42 @@
-import { defineComponent } from 'vue'
+import { defineComponent, onMounted, ref } from 'vue'
 import styles from './member-active.module.less'
 import p1 from './images/active/1.png'
 import p2 from './images/active/2.png'
 import p3 from './images/active/3.png'
 import btn from './images/active/btn.png'
 import { useRouter } from 'vue-router'
+import { postMessage } from '@/helpers/native-message'
+import { Icon } from 'vant'
 
 export default defineComponent({
   setup() {
     const router = useRouter()
+    const navBarHeight = ref(0)
 
     const onDetail = () => {
       router.push('/memberCenter')
     }
 
+    onMounted(() => {
+      postMessage({ api: 'getNavHeight' }, res => {
+        const { content } = res as any
+        const dpi = content.dpi || 2
+        if (content.navHeight) {
+          const navHeight = content.navHeight / dpi``
+          navBarHeight.value = navHeight
+        }
+      })
+    })
     return () => (
       <div class={styles.memberActive}>
+        <Icon
+          name="arrow-left"
+          class={styles.backIcon}
+          style={{
+            top: `calc(${navBarHeight.value}px + 16px)`
+          }}
+        />
+
         <img src={p1} />
         <img src={p2} />
         <img src={p3} />