chore：

pages_tool/vr/index.vue

@@ -1,6 +1,6 @@
 <template>
 	<view :style="themeColor" class="vr-page">
-		<web-view :src="src" class="vr-webview"></web-view>
+		<web-view :src="src" class="vr-webview" @titleUpdate="forceCustomTitle"></web-view>
 	</view>
 </template>
 
@@ -10,52 +10,60 @@ export default {
 		return {
 			src: '',
 			title: '',
+			customTitle: '',
 			titleTimer: null
 		};
 	},
 	onLoad(option) {
-			this.title = option?.title || '工厂展示';
-			uni.setNavigationBarTitle({ title: this.title });
-			this.$api.sendRequest({
-				url: '/api/config/defaultvr',
-				success: res => {
-					if (res.code == 0) {
-						this.title = res.data.title;
-						uni.setNavigationBarTitle({ title: this.title });
-						this.src = res.data.url;
-						this.startTitleGuard();
-					}
-				},
+		this.customTitle = option?.title || '工厂展示';
+		this.title = this.customTitle;
+		uni.setNavigationBarTitle({ title: this.customTitle });
+		this.$api.sendRequest({
+			url: '/api/config/defaultvr',
+			success: res => {
+				if (res.code == 0) {
+					this.customTitle = res.data.title;
+					this.title = this.customTitle;
+					uni.setNavigationBarTitle({ title: this.customTitle });
+					this.src = res.data.url;
+					this.startTitleGuard();
+				}
+			},
 			fail: res => {
 			}
 		});
 	},
 	onShow() {
-			if (this.title) {
-				uni.setNavigationBarTitle({ title: this.title });
-			}
-		},
-	
+		if (this.customTitle) {
+			uni.setNavigationBarTitle({ title: this.customTitle });
+		}
+	},
+	onUnload() {
+		this.clearTitleGuard();
+	},
 	methods: {
-			startTitleGuard() {
-				this.clearTitleGuard();
-				let count = 0;
-				this.titleTimer = setInterval(() => {
-					uni.setNavigationBarTitle({ title: this.title });
-					count++;
-					if (count >= 10) {
-						this.clearTitleGuard();
-					}
-				}, 100);
-			},
-			clearTitleGuard() {
-				if (this.titleTimer) {
-					clearInterval(this.titleTimer);
-					this.titleTimer = null;
+		forceCustomTitle() {
+			uni.setNavigationBarTitle({ title: this.customTitle });
+		},
+		startTitleGuard() {
+			this.clearTitleGuard();
+			let count = 0;
+			this.titleTimer = setInterval(() => {
+				uni.setNavigationBarTitle({ title: this.customTitle });
+				count++;
+				if (count >= 10) {
+					this.clearTitleGuard();
 				}
+			}, 100);
+		},
+		clearTitleGuard() {
+			if (this.titleTimer) {
+				clearInterval(this.titleTimer);
+				this.titleTimer = null;
 			}
 		}
-	};
+	}
+};
 </script>
 
 <style lang="scss">