fix: OTA升级电量限制改为50

src/pages/ota-wifi.vue

@@ -1,4 +1,4 @@
-<script setup>
+<script setup>
 import { ref, computed, onMounted, onUnmounted } from "vue";
 import { onLoad, onShow } from "@dcloudio/uni-app";
 import Container from "@/components/Container.vue";
@@ -54,7 +54,7 @@ let wifiConnectPollCount = 0;
 const WIFI_CONNECT_POLL_INTERVAL = 2000;
 const WIFI_CONNECT_MAX_POLL_COUNT = 30;
 const WIFI_CONNECT_FAILED_TEXT = "连接失败，请检查WiFi密码或WiFi状态";
-const OTA_MIN_BATTERY = 20;
+const OTA_MIN_BATTERY = 50;
 const OTA_LOW_BATTERY_TEXT = "电量不足 50%，暂不支持 OTA 升级";
 // 控制授权拒绝弹窗显示/隐藏
 const wifiAuthDeniedVisible = ref(false);