diff --git a/src/components/OtaModal.vue b/src/components/OtaModal.vue
index c94047c..4a61c0a 100644
--- a/src/components/OtaModal.vue
+++ b/src/components/OtaModal.vue
@@ -158,6 +158,7 @@ const handleUpdateClick = () => {
               <view class="progress-track">
                 <view class="progress-fill" :style="{ width: `${progressValue}%` }"></view>
               </view>
+              <text class="progress-warning">请勿离开当前页面！</text>
             </view>
           </block>
 
@@ -439,6 +440,14 @@ const handleUpdateClick = () => {
   background-color: #FED847;
   border-radius: 999rpx;
 }
+.progress-warning {
+  display: block;
+  margin-top: 16rpx;
+  color: rgba(255, 255, 255, 0.88);
+  font-size: 22rpx;
+  line-height: 32rpx;
+  text-align: center;
+}
 
 /* 关闭按钮（位于弹窗下方） */
 .ota-close-below {
diff --git a/src/composables/useOtaUpdate.js b/src/composables/useOtaUpdate.js
new file mode 100644
index 0000000..2fcc788
--- /dev/null
+++ b/src/composables/useOtaUpdate.js
@@ -0,0 +1,227 @@
+import { computed, ref } from "vue";
+import { sendHardwareBoxUpdateAPI } from "@/apis";
+import useStore from "@/store";
+import { storeToRefs } from "pinia";
+
+const OTA_PROGRESS_EVENT = "/addons/shoot/otaProgress";
+const OTA_RESULT_EVENT = "/addons/shoot/otaResult";
+const UPDATE_TIMEOUT = 10 * 60 * 1000;
+
+const phaseTextMap = {
+  started: "正在准备固件更新",
+  downloading: "正在下载固件",
+  installing: "正在安装固件",
+};
+
+// OTA 状态由首页、WiFi 设置页和我的设备页共享，页面切换后仍可继续接收进度。
+const updating = ref(false);
+const progress = ref(0);
+const phase = ref("started");
+const resultVisible = ref(false);
+const resultStatus = ref("");
+const resultReason = ref("");
+
+let deviceRef = null;
+let updateRunId = 0;
+let targetVersion = "";
+let lastFinishedVersion = "";
+let timeoutTimer = null;
+let successCallback = null;
+let socketListening = false;
+
+const phaseText = computed(
+  () => phaseTextMap[phase.value] || "正在进行固件更新"
+);
+const resultTitle = computed(() =>
+  resultStatus.value === "success" ? "固件更新完成" : "固件更新失败"
+);
+const resultContent = computed(() => {
+  if (resultStatus.value === "success") return "固件更新已完成";
+  return resultReason.value || "更新失败，请检查设备及网络后重试";
+});
+
+const clearTimers = () => {
+  clearTimeout(timeoutTimer);
+  timeoutTimer = null;
+};
+
+const resetActiveUpdate = () => {
+  clearTimers();
+  successCallback = null;
+};
+
+const finishUpdate = (status, reason = "", runId = updateRunId) => {
+  if (runId !== updateRunId || !updating.value) return;
+  const onSuccess = successCallback;
+  resetActiveUpdate();
+  updating.value = false;
+  resultStatus.value = status;
+  resultReason.value = reason;
+  lastFinishedVersion = targetVersion;
+  if (status === "success") {
+    progress.value = 100;
+    phase.value = "installing";
+    onSuccess?.();
+  }
+  resultVisible.value = true;
+};
+
+const isCurrentDeviceMessage = (data) => {
+  const messageDeviceId = String(data?.deviceId || "");
+  const currentDeviceId = String(deviceRef?.value?.deviceId || "");
+  return !messageDeviceId || !currentDeviceId || messageDeviceId === currentDeviceId;
+};
+
+const isCurrentVersionMessage = (data) => {
+  const messageVersion = String(data?.versionNumber || "");
+  return !messageVersion || !targetVersion || messageVersion === targetVersion;
+};
+
+// 页面切换导致弹窗关闭后，使用下一条进度消息恢复当前 OTA 会话。
+const recoverUpdateFromMessage = (data) => {
+  updateRunId += 1;
+  const runId = updateRunId;
+  targetVersion = String(data?.versionNumber || "");
+  lastFinishedVersion = "";
+  successCallback = null;
+  resultVisible.value = false;
+  resultStatus.value = "";
+  resultReason.value = "";
+  progress.value = 0;
+  phase.value = "started";
+  updating.value = true;
+  clearTimers();
+  timeoutTimer = setTimeout(() => {
+    finishUpdate("failed", "固件更新超时，请稍后重试", runId);
+  }, UPDATE_TIMEOUT);
+};
+
+function handleSocketMessage(message) {
+  if (Number(message?.code ?? 0) !== 0) return;
+  if (![OTA_PROGRESS_EVENT, OTA_RESULT_EVENT].includes(message?.event)) return;
+  if (!isCurrentDeviceMessage(message.data)) return;
+
+  const messageVersion = String(message.data?.versionNumber || "");
+
+  if (message.event === OTA_PROGRESS_EVENT) {
+    if (!updating.value) {
+      if (
+        lastFinishedVersion &&
+        (!messageVersion || messageVersion === lastFinishedVersion)
+      ) {
+        return;
+      }
+      recoverUpdateFromMessage(message.data);
+    } else if (!isCurrentVersionMessage(message.data)) {
+      return;
+    }
+
+    const nextProgress = Math.min(
+      100,
+      Math.max(0, Number(message.data?.progress) || 0)
+    );
+    progress.value = Math.max(progress.value, nextProgress);
+    if (phaseTextMap[message.data?.phase]) {
+      phase.value = message.data.phase;
+    }
+    return;
+  }
+
+  if (!updating.value) {
+    if (
+      lastFinishedVersion &&
+      (!messageVersion || messageVersion === lastFinishedVersion)
+    ) {
+      return;
+    }
+    recoverUpdateFromMessage(message.data);
+  } else if (!isCurrentVersionMessage(message.data)) {
+    return;
+  }
+
+  if (message.data?.status === "success") {
+    finishUpdate("success");
+  } else if (message.data?.status === "failed") {
+    finishUpdate("failed", message.data?.reason || "");
+  }
+}
+
+const startSocketListening = () => {
+  if (socketListening) return;
+  uni.$on("socket-inbox", handleSocketMessage);
+  socketListening = true;
+};
+
+export const useOtaUpdate = () => {
+  const store = useStore();
+  const { device } = storeToRefs(store);
+  deviceRef = device;
+  startSocketListening();
+
+  const startUpdate = async ({
+    versionNumber,
+    resourceUrl,
+    wifiSsid = "",
+    wifiPassword = "",
+    onSuccess,
+  }) => {
+    if (updating.value) return false;
+
+    updateRunId += 1;
+    const runId = updateRunId;
+    targetVersion = String(versionNumber || "");
+    lastFinishedVersion = "";
+    successCallback = onSuccess || null;
+    resultVisible.value = false;
+    resultStatus.value = "";
+    resultReason.value = "";
+    progress.value = 0;
+    phase.value = "started";
+    updating.value = true;
+    clearTimers();
+    timeoutTimer = setTimeout(() => {
+      finishUpdate("failed", "固件更新超时，请稍后重试", runId);
+    }, UPDATE_TIMEOUT);
+
+    try {
+      const updateResult = await sendHardwareBoxUpdateAPI({
+        versionNumber: targetVersion,
+        wifiSsid,
+        wifiPassword,
+        resourceUrl,
+      });
+      if (runId !== updateRunId || !updating.value) return false;
+      if (!updateResult?.taskId) {
+        finishUpdate("failed", "固件更新任务创建失败，请稍后重试", runId);
+        return false;
+      }
+      return true;
+    } catch (error) {
+      if (runId === updateRunId) {
+        finishUpdate(
+          "failed",
+          error?.message || "固件更新请求失败，请稍后重试",
+          runId
+        );
+      }
+      return false;
+    }
+  };
+
+  const closeResult = () => {
+    resultVisible.value = false;
+  };
+
+  return {
+    updating,
+    progress,
+    phase,
+    phaseText,
+    resultVisible,
+    resultStatus,
+    resultTitle,
+    resultContent,
+    startUpdate,
+    closeResult,
+  };
+};
diff --git a/src/pages/device/composables/useOtaUpdate.js b/src/pages/device/composables/useOtaUpdate.js
deleted file mode 100644
index 6c6b39f..0000000
--- a/src/pages/device/composables/useOtaUpdate.js
+++ /dev/null
@@ -1,188 +0,0 @@
-import { computed, onUnmounted, ref } from "vue";
-import { sendHardwareBoxUpdateAPI } from "@/apis";
-import useStore from "@/store";
-import { storeToRefs } from "pinia";
-
-const OTA_PROGRESS_EVENT = "/addons/shoot/otaProgress";
-const OTA_RESULT_EVENT = "/addons/shoot/otaResult";
-const UPDATE_TIMEOUT = 10 * 60 * 1000;
-
-const phaseTextMap = {
-  started: "正在准备固件更新",
-  downloading: "正在下载固件",
-  installing: "正在安装固件",
-};
-
-export const useOtaUpdate = () => {
-  const store = useStore();
-  const { device } = storeToRefs(store);
-  const updating = ref(false);
-  const progress = ref(0);
-  const phase = ref("started");
-  const resultVisible = ref(false);
-  const resultStatus = ref("");
-  const resultReason = ref("");
-
-  let updateRunId = 0;
-  let targetVersion = "";
-  let timeoutTimer = null;
-  let successCallback = null;
-  let socketListening = false;
-
-  const phaseText = computed(
-    () => phaseTextMap[phase.value] || "正在进行固件更新"
-  );
-  const resultTitle = computed(() =>
-    resultStatus.value === "success" ? "固件更新完成" : "固件更新失败"
-  );
-  const resultContent = computed(() => {
-    if (resultStatus.value === "success") return "固件更新已完成";
-    return resultReason.value || "更新失败，请检查设备及网络后重试";
-  });
-
-  const clearTimers = () => {
-    clearTimeout(timeoutTimer);
-    timeoutTimer = null;
-  };
-
-  const stopSocketListening = () => {
-    if (!socketListening) return;
-    uni.$off("socket-inbox", handleSocketMessage);
-    socketListening = false;
-  };
-
-  const resetActiveUpdate = () => {
-    clearTimers();
-    stopSocketListening();
-    successCallback = null;
-  };
-
-  const finishUpdate = (status, reason = "", runId = updateRunId) => {
-    if (runId !== updateRunId || !updating.value) return;
-    const onSuccess = successCallback;
-    resetActiveUpdate();
-    updating.value = false;
-    resultStatus.value = status;
-    resultReason.value = reason;
-    if (status === "success") {
-      progress.value = 100;
-      phase.value = "installing";
-      onSuccess?.();
-    }
-    resultVisible.value = true;
-  };
-
-  const isCurrentUpdateMessage = (data) => {
-    const messageDeviceId = String(data?.deviceId || "");
-    const currentDeviceId = String(device.value?.deviceId || "");
-    if (messageDeviceId && currentDeviceId && messageDeviceId !== currentDeviceId) {
-      return false;
-    }
-
-    const messageVersion = String(data?.versionNumber || "");
-    return !messageVersion || !targetVersion || messageVersion === targetVersion;
-  };
-
-  function handleSocketMessage(message) {
-    if (!updating.value || Number(message?.code ?? 0) !== 0) return;
-    if (![OTA_PROGRESS_EVENT, OTA_RESULT_EVENT].includes(message?.event)) return;
-    if (!isCurrentUpdateMessage(message.data)) return;
-
-    if (message.event === OTA_PROGRESS_EVENT) {
-      const nextProgress = Math.min(
-        100,
-        Math.max(0, Number(message.data?.progress) || 0)
-      );
-      progress.value = Math.max(progress.value, nextProgress);
-      if (phaseTextMap[message.data?.phase]) {
-        phase.value = message.data.phase;
-      }
-      return;
-    }
-
-    if (message.data?.status === "success") {
-      finishUpdate("success");
-      return;
-    }
-    if (message.data?.status === "failed") {
-      finishUpdate("failed", message.data?.reason || "");
-    }
-  }
-
-  const startSocketListening = () => {
-    if (socketListening) return;
-    uni.$on("socket-inbox", handleSocketMessage);
-    socketListening = true;
-  };
-
-  const startUpdate = async ({
-    versionNumber,
-    resourceUrl,
-    wifiSsid = "",
-    wifiPassword = "",
-    onSuccess,
-  }) => {
-    if (updating.value) return false;
-
-    updateRunId += 1;
-    const runId = updateRunId;
-    targetVersion = String(versionNumber || "");
-    successCallback = onSuccess || null;
-    resultVisible.value = false;
-    resultStatus.value = "";
-    resultReason.value = "";
-    progress.value = 0;
-    phase.value = "started";
-    updating.value = true;
-    startSocketListening();
-    timeoutTimer = setTimeout(() => {
-      finishUpdate("failed", "固件更新超时，请稍后重试", runId);
-    }, UPDATE_TIMEOUT);
-
-    try {
-      const updateResult = await sendHardwareBoxUpdateAPI({
-        versionNumber: targetVersion,
-        wifiSsid,
-        wifiPassword,
-        resourceUrl,
-      });
-      if (runId !== updateRunId || !updating.value) return false;
-      if (!updateResult?.taskId) {
-        finishUpdate("failed", "固件更新任务创建失败，请稍后重试", runId);
-        return false;
-      }
-      return true;
-    } catch (error) {
-      if (runId === updateRunId) {
-        finishUpdate(
-          "failed",
-          error?.message || "固件更新请求失败，请稍后重试",
-          runId
-        );
-      }
-      return false;
-    }
-  };
-
-  const closeResult = () => {
-    resultVisible.value = false;
-  };
-
-  onUnmounted(() => {
-    updateRunId += 1;
-    resetActiveUpdate();
-  });
-
-  return {
-    updating,
-    progress,
-    phase,
-    phaseText,
-    resultVisible,
-    resultStatus,
-    resultTitle,
-    resultContent,
-    startUpdate,
-    closeResult,
-  };
-};
diff --git a/src/pages/device/my-device.vue b/src/pages/device/my-device.vue
index ff7b693..2a4f61f 100644
--- a/src/pages/device/my-device.vue
+++ b/src/pages/device/my-device.vue
@@ -18,7 +18,7 @@ import {
   DEVICE_NAME_STORAGE_KEY,
   useDeviceStatus,
 } from "./composables/useDeviceStatus";
-import { useOtaUpdate } from "./composables/useOtaUpdate";
+import { useOtaUpdate } from "@/composables/useOtaUpdate";
 
 const store = useStore();
 const { updateDevice, clearDevice } = store;
diff --git a/src/pages/device/ota-wifi.vue b/src/pages/device/ota-wifi.vue
index 805a8d5..d287558 100644
--- a/src/pages/device/ota-wifi.vue
+++ b/src/pages/device/ota-wifi.vue
@@ -9,7 +9,7 @@ import {
   connectDeviceWifiAPI,
   getHardwareBoxVersionAPI,
 } from "@/apis";
-import { useOtaUpdate } from "./composables/useOtaUpdate";
+import { useOtaUpdate } from "@/composables/useOtaUpdate";
 
 const STATES = {
   SCANNING: "SCANNING",
diff --git a/src/pages/index.vue b/src/pages/index.vue
index 8597b64..9a3a965 100644
--- a/src/pages/index.vue
+++ b/src/pages/index.vue
@@ -1,5 +1,5 @@
 <script setup>
-import {computed, onMounted, onUnmounted, ref, watch} from "vue";
+import {computed, onMounted, ref, watch} from "vue";
 import {onShareAppMessage, onShareTimeline, onShow} from "@dcloudio/uni-app";
 import Container from "@/components/Container.vue";
 import AppFooter from "@/components/AppFooter.vue";
@@ -16,10 +16,10 @@ import {
   getHomeData,
   getMyDevicesAPI,
   getScoreRankList,
-  sendHardwareBoxUpdateAPI,
   silentLoginAPI,
 } from "@/apis";
 import {topThreeColors} from "@/constants";
+import {useOtaUpdate} from "@/composables/useOtaUpdate";
 
 import useStore from "@/store";
 import {storeToRefs} from "pinia";
@@ -70,9 +70,6 @@ const deviceCardAsset = computed(() => deviceCardAssets[deviceCardState.value]);
 // OTA 相关
 const otaVisible = ref(false);
 const wifiRequiredVisible = ref(false);
-const otaState = ref("new_version");
-const otaProgress = ref(0);
-const otaPhase = ref("started");
 const otaInfo = ref({
   versionNumber: "",
   versionInfo: "",
@@ -83,26 +80,16 @@ const otaInfo = ref({
 const isStartingOta = ref(false);
 let isCheckingOta = false;
 let otaCheckQueuedForOnline = false;
-let otaTimeoutTimer = null;
-let otaUpdateRunId = 0;
-const OTA_UPDATE_TIMEOUT = 10 * 60 * 1000;
-const OTA_PROGRESS_EVENT = "/addons/shoot/otaProgress";
-const OTA_RESULT_EVENT = "/addons/shoot/otaResult";
 
-// 清理首页 OTA 更新超时计时器。
-const clearOtaUpdateTimers = () => {
-  clearTimeout(otaTimeoutTimer);
-  otaTimeoutTimer = null;
-};
-
-// 使当前 OTA 运行失效，确保旧请求返回后不会覆盖新状态。
-const invalidateOtaUpdateRun = () => {
-  otaUpdateRunId += 1;
-  clearOtaUpdateTimers();
-};
-
-const isOtaUpdateRunActive = (runId) =>
-  runId === otaUpdateRunId && otaState.value === "update_progress";
+const {
+  updating: otaUpdating,
+  progress: otaProgress,
+  phase: otaPhase,
+  resultVisible: otaResultVisible,
+  resultStatus: otaResultStatus,
+  startUpdate: startOtaUpdate,
+  closeResult: closeOtaResult,
+} = useOtaUpdate();
 
 // 获取并保存后端返回的 OTA 版本信息，供弹窗展示和更新接口使用。
 const applyOtaVersionInfo = (versionInfo) => {
@@ -118,11 +105,21 @@ const applyOtaVersionInfo = (versionInfo) => {
 
 // 检查当前设备盒子是否存在可升级版本。
 const checkOtaUpdate = async () => {
-  if (isCheckingOta || otaVisible.value) return;
+  if (
+    isCheckingOta ||
+    otaVisible.value ||
+    otaUpdating.value ||
+    otaResultVisible.value
+  ) return;
   isCheckingOta = true;
 
   try {
-    if (online.value !== true || otaVisible.value) return;
+    if (
+      online.value !== true ||
+      otaVisible.value ||
+      otaUpdating.value ||
+      otaResultVisible.value
+    ) return;
 
     let versionInfo;
     try {
@@ -130,20 +127,24 @@ const checkOtaUpdate = async () => {
     } catch (err) {
       return;
     }
-    if (otaVisible.value) return;
+    if (otaVisible.value || otaUpdating.value || otaResultVisible.value) return;
     applyOtaVersionInfo(versionInfo);
     if (!otaInfo.value.needUpdate) return;
 
     const dismissedAt = uni.getStorageSync("ota_dismissed_at");
     const now = Date.now();
     if (!otaInfo.value.forceUpdate && dismissedAt && now - dismissedAt < 24 * 60 * 60 * 1000) return;
-    otaState.value = "new_version";
     otaVisible.value = true;
   } finally {
     isCheckingOta = false;
     const shouldRecheckForOnline = otaCheckQueuedForOnline;
     otaCheckQueuedForOnline = false;
-    if (shouldRecheckForOnline && !otaVisible.value) {
+    if (
+      shouldRecheckForOnline &&
+      !otaVisible.value &&
+      !otaUpdating.value &&
+      !otaResultVisible.value
+    ) {
       void checkOtaUpdate();
     }
   }
@@ -151,7 +152,13 @@ const checkOtaUpdate = async () => {
 
 // 设备由 WS 通知上线时补查 OTA；已显示任何 OTA 弹窗时保留当前流程和结果。
 watch(online, (nextOnline, previousOnline) => {
-  if (previousOnline !== false || nextOnline !== true || otaVisible.value) return;
+  if (
+    previousOnline !== false ||
+    nextOnline !== true ||
+    otaVisible.value ||
+    otaUpdating.value ||
+    otaResultVisible.value
+  ) return;
   if (isCheckingOta) {
     otaCheckQueuedForOnline = true;
     return;
@@ -159,6 +166,13 @@ watch(online, (nextOnline, previousOnline) => {
   void checkOtaUpdate();
 });
 
+// 任一页面发起或恢复 OTA 后，关闭首页的版本发现弹窗，避免两层弹窗重叠。
+watch([otaUpdating, otaResultVisible], ([updating, resultVisible]) => {
+  if (!updating && !resultVisible) return;
+  otaVisible.value = false;
+  isStartingOta.value = false;
+});
+
 // 拼接 OTA WiFi 页参数，让未连 WiFi 的设备继续使用同一份版本信息。
 const getOtaWifiUrl = () => {
   const { versionNumber, resourceUrl } = otaInfo.value;
@@ -177,89 +191,17 @@ const handleOtaDismiss = () => {
   otaVisible.value = false;
 };
 
-// 将首页 OTA 直连更新流程标记为失败。
-const failHomeOtaUpdate = (runId) => {
-  if (!isOtaUpdateRunActive(runId)) return;
-  invalidateOtaUpdateRun();
-  isStartingOta.value = false;
-  otaState.value = "update_failure";
-  otaVisible.value = true;
-};
-
-// 将首页 OTA 直连更新流程标记为成功。
-const completeHomeOtaUpdate = (runId) => {
-  if (!isOtaUpdateRunActive(runId)) return;
-  invalidateOtaUpdateRun();
-  isStartingOta.value = false;
-  otaInfo.value = {...otaInfo.value, needUpdate: false};
-  otaProgress.value = 100;
-  otaPhase.value = "installing";
-  otaState.value = "update_success";
-  otaVisible.value = true;
-};
-
-// 首页只处理当前设备、当前目标版本的 OTA WebSocket 消息。
-const handleHomeOtaSocketMessage = (message) => {
-  const runId = otaUpdateRunId;
-  if (!isOtaUpdateRunActive(runId) || Number(message?.code ?? 0) !== 0) return;
-  if (![OTA_PROGRESS_EVENT, OTA_RESULT_EVENT].includes(message?.event)) return;
-
-  const messageDeviceId = String(message.data?.deviceId || "");
-  const currentDeviceId = String(device.value?.deviceId || "");
-  if (messageDeviceId && currentDeviceId && messageDeviceId !== currentDeviceId) return;
-
-  const messageVersion = String(message.data?.versionNumber || "");
-  const currentVersion = String(otaInfo.value.versionNumber || "");
-  if (messageVersion && currentVersion && messageVersion !== currentVersion) return;
-
-  if (message.event === OTA_PROGRESS_EVENT) {
-    const nextProgress = Math.min(
-      100,
-      Math.max(0, Number(message.data?.progress) || 0)
-    );
-    otaProgress.value = Math.max(otaProgress.value, nextProgress);
-    if (["started", "downloading", "installing"].includes(message.data?.phase)) {
-      otaPhase.value = message.data.phase;
-    }
-    return;
-  }
-
-  if (message.data?.status === "success") {
-    completeHomeOtaUpdate(runId);
-  } else if (message.data?.status === "failed") {
-    failHomeOtaUpdate(runId);
-  }
-};
-
-// 设备盒子已连 WiFi 时，从首页直接传空 WiFi 信息发起 OTA 更新。
+// 设备盒子已连 WiFi 时，通过共享 OTA 状态发起更新。
 const startHomeOtaUpdate = async () => {
-  invalidateOtaUpdateRun();
-  const runId = otaUpdateRunId;
-  otaState.value = "update_progress";
-  otaVisible.value = true;
-  otaProgress.value = 0;
-  otaPhase.value = "started";
-  otaTimeoutTimer = setTimeout(() => {
-    if (!isOtaUpdateRunActive(runId)) return;
-    failHomeOtaUpdate(runId);
-  }, OTA_UPDATE_TIMEOUT);
-
-  try {
-    const updateResult = await sendHardwareBoxUpdateAPI({
-      versionNumber: otaInfo.value.versionNumber,
-      wifiSsid: "",
-      wifiPassword: "",
-      resourceUrl: otaInfo.value.resourceUrl,
-    });
-    if (!isOtaUpdateRunActive(runId)) return;
-    if (!updateResult?.taskId) {
-      failHomeOtaUpdate(runId);
-      return;
-    }
-  } catch (err) {
-    if (!isOtaUpdateRunActive(runId)) return;
-    failHomeOtaUpdate(runId);
-  }
+  otaVisible.value = false;
+  await startOtaUpdate({
+    versionNumber: otaInfo.value.versionNumber,
+    resourceUrl: otaInfo.value.resourceUrl,
+    onSuccess: () => {
+      otaInfo.value = {...otaInfo.value, needUpdate: false};
+    },
+  });
+  isStartingOta.value = false;
 };
 
 // 点击立即更新时先判断设备是否在线并已通过 WiFi 联网，未联网时先展示连接引导。
@@ -305,15 +247,25 @@ const goWifiForOtaUpdate = () => {
   uni.navigateTo({ url: getOtaWifiUrl() });
 };
 
-// 处理 OTA 更新成功后的完成按钮，关闭结果弹窗。
+// 处理 OTA 更新成功后的完成按钮，关闭共享结果弹窗。
 const handleOtaDone = () => {
-  otaVisible.value = false;
+  closeOtaResult();
 };
 
-// 处理 OTA 更新失败后的重试按钮，重新走立即更新判断流程。
-const handleOtaRetry = () => {
-  invalidateOtaUpdateRun();
-  handleOtaUpdate();
+// 处理共享 OTA 更新失败后的重试，先刷新版本参数再重新判断网络状态。
+const handleOtaRetry = async () => {
+  closeOtaResult();
+  try {
+    const versionInfo = await getHardwareBoxVersionAPI();
+    applyOtaVersionInfo(versionInfo);
+    if (!otaInfo.value.needUpdate) return;
+    await handleOtaUpdate();
+  } catch (error) {
+    uni.showToast({
+      title: "获取更新版本失败，请重试",
+      icon: "none",
+    });
+  }
 };
 
 // 提取积分榜接口返回的榜单数组，兼容数组和对象两种返回格式。
@@ -383,18 +335,11 @@ const syncHomeDevice = async () => {
 
 };
 
-onShow(async (options) => {
+onShow(async () => {
   const env = uni.getAccountInfoSync().miniProgram.envVersion;
   const token = uni.getStorageSync(`${env}_token`);
 
-  // 检查是否从 OTA 更新页面返回
-  if (options && options.updateResult) {
-    otaState.value = options.updateResult;
-    if (options.updateResult === "update_success") {
-      otaInfo.value = {...otaInfo.value, needUpdate: false};
-    }
-    otaVisible.value = true;
-  } else if (token || user.value.id) {
+  if (token || user.value.id) {
     await checkOtaUpdate();
   }
 
@@ -455,17 +400,11 @@ onShow(async (options) => {
 });
 
 onMounted(async () => {
-  uni.$on("socket-inbox", handleHomeOtaSocketMessage);
   const config = await getAppConfig();
   updateConfig(config);
   console.log("全局配置：", config);
 });
 
-onUnmounted(() => {
-  uni.$off("socket-inbox", handleHomeOtaSocketMessage);
-  invalidateOtaUpdateRun();
-});
-
 onShareAppMessage(() => {
   return {
     title: "智能真弓：实时捕捉+毫秒级同步，弓箭选手全球竞技！", // 分享卡片的标题
@@ -486,21 +425,34 @@ onShareTimeline(() => {
 
 <template>
   <Container :isHome="true" :showBackToGame="true">
-    <!-- OTA 升级弹窗：使用 visible 控制显隐，description 为副标题，changelog 为详细说明 -->
+    <!-- 首页版本发现弹窗仅负责触发更新，执行状态由三个页面共享。 -->
     <OtaModal
-      :visible="otaVisible"
-      :state="otaState"
+      :visible="otaVisible && !otaUpdating && !otaResultVisible"
+      state="new_version"
       :version="otaInfo.versionNumber"
-      :progress="otaProgress"
-      :phase="otaPhase"
       :description="''"
       :changelog="otaInfo.versionInfo"
       :forceUpdate="otaInfo.forceUpdate"
       @update="handleOtaUpdate"
       @skip="handleOtaDismiss"
       @close="handleOtaDismiss"
+    />
+    <OtaModal
+      :visible="otaUpdating"
+      state="update_progress"
+      :progress="otaProgress"
+      :phase="otaPhase"
+    />
+    <OtaModal
+      :visible="otaResultVisible && otaResultStatus === 'success'"
+      state="update_success"
       @done="handleOtaDone"
+    />
+    <OtaModal
+      :visible="otaResultVisible && otaResultStatus === 'failed'"
+      state="update_failure"
       @retry="handleOtaRetry"
+      @close="closeOtaResult"
     />
     <ModalDialog
       :show="wifiRequiredVisible"