diff --git a/src/apis.js b/src/apis.js
index 9c47724..892485e 100644
--- a/src/apis.js
+++ b/src/apis.js
@@ -493,6 +493,25 @@ export const laserAimAPI = async () => {
     return request("POST", "/user/device/laserAim");
 };
 
+// 调瞄续期只负责发送请求，不等待或处理响应，避免阻塞下一次续期。
+export const aimRenewAPI = () => {
+    const token = uni.getStorageSync(
+        `${uni.getAccountInfoSync().miniProgram.envVersion}_token`
+    );
+    const header = {};
+    if (token) header.Authorization = `Bearer ${token}`;
+
+    uni.request({
+        url: `${BASE_URL}/user/device/aimRenew`,
+        method: "POST",
+        header,
+        data: {},
+        timeout: 10000,
+        success: () => {},
+        fail: () => {},
+    });
+};
+
 export const laserCloseAPI = async () => {
     return request("POST", "/user/device/closeAim");
 };
diff --git a/src/components/AppFooter.vue b/src/components/AppFooter.vue
index f65b8fc..e58e45a 100644
--- a/src/components/AppFooter.vue
+++ b/src/components/AppFooter.vue
@@ -43,9 +43,13 @@ function handleTabClick(index) {
 
 <style scoped>
 .footer {
-  height: 120px;
+  /* height: 120px; */
+  height: 190rpx;
   width: 100vw;
-  position: relative;
+  /* position: relative; */
+  position: fixed;
+  bottom: 0;
+  left: 0;
   display: flex;
   justify-content: space-around;
   align-items: center;
diff --git a/src/pages/calibration.vue b/src/pages/calibration.vue
index 734ced9..8b3d8a4 100644
--- a/src/pages/calibration.vue
+++ b/src/pages/calibration.vue
@@ -1,9 +1,10 @@
 <script setup>
 import { ref, onMounted, onBeforeUnmount } from "vue";
+import { onShow, onHide } from "@dcloudio/uni-app";
 import Container from "@/components/Container.vue";
 import SButton from "@/components/SButton.vue";
 
-import { laserAimAPI, laserCloseAPI } from "@/apis";
+import { aimRenewAPI, laserAimAPI, laserCloseAPI } from "@/apis";
 import { MESSAGETYPES } from "@/constants";
 // import audioManager from "@/audioManager";
 
@@ -23,8 +24,56 @@ const guides = [
 ];
 
 const done = ref(true);
+let aimRenewTimer = null;
+let pageMounted = false;
+let pageVisible = false;
+let aimSessionVersion = 0;
+
+const stopAimRenew = () => {
+  if (!aimRenewTimer) return;
+  clearInterval(aimRenewTimer);
+  aimRenewTimer = null;
+};
+
+const startAimRenew = () => {
+  stopAimRenew();
+  aimRenewTimer = setInterval(() => {
+    aimRenewAPI();
+  }, 1000);
+};
+
+const openAimSession = async (sessionVersion) => {
+  try {
+    await laserAimAPI();
+  } catch (error) {
+    return;
+  }
+
+  if (
+    !pageMounted ||
+    !pageVisible ||
+    sessionVersion !== aimSessionVersion
+  ) {
+    void laserCloseAPI().catch(() => {});
+    return;
+  }
+
+  startAimRenew();
+};
+
+const stopAimSession = (closeLaser = true) => {
+  const wasVisible = pageVisible;
+  pageVisible = false;
+  aimSessionVersion += 1;
+  stopAimRenew();
+
+  if (closeLaser && wasVisible) {
+    void laserCloseAPI().catch(() => {});
+  }
+};
 
 const onComplete = async () => {
+  stopAimSession(false);
   await laserCloseAPI();
   uni.navigateBack();
 };
@@ -39,14 +88,26 @@ function onReceiveMessage(messages = []) {
   });
 }
 
-onMounted(async () => {
-  uni.$on("socket-inbox", onReceiveMessage);
-  await laserAimAPI();
+onShow(() => {
+  pageVisible = true;
+  const sessionVersion = ++aimSessionVersion;
+  if (pageMounted) void openAimSession(sessionVersion);
 });
 
-onBeforeUnmount(async () => {
+onHide(() => {
+  stopAimSession();
+});
+
+onMounted(() => {
+  uni.$on("socket-inbox", onReceiveMessage);
+  pageMounted = true;
+  if (pageVisible) void openAimSession(aimSessionVersion);
+});
+
+onBeforeUnmount(() => {
+  pageMounted = false;
+  stopAimSession();
   uni.$off("socket-inbox", onReceiveMessage);
-  await laserCloseAPI();
 });
 </script>
 
diff --git a/src/pages/index.vue b/src/pages/index.vue
index 6200833..bd62459 100644
--- a/src/pages/index.vue
+++ b/src/pages/index.vue
@@ -510,6 +510,7 @@ onShareTimeline(() => {
       </view>
       <Signin :show="showModal" :onClose="() => (showModal = false)"/>
     </view>
+    <view class="foot-space"></view>
     <AppFooter/>
   </Container>
 </template>
@@ -517,9 +518,12 @@ onShareTimeline(() => {
 <style scoped>
 .container {
   width: 100%;
-  height: calc(100% - 120px);
+  /* height: calc(100% + 240rpx); */
+}
+.foot-space{
+  width: 100%;
+  height: 200rpx;
 }
-
 .feature-grid {
   width: 100%;
   display: flex;
@@ -679,7 +683,7 @@ onShareTimeline(() => {
 
 .my-data > view:nth-child(2) {
   width: 68%;
-  font-size: 12px;
+  font-size: 24rpx;
   color: #fff6;
   display: flex;
   justify-content: space-between;