diff --git a/pages_tool/vr/index.vue b/pages_tool/vr/index.vue
index 2dd6fe5..690b5d7 100644
--- a/pages_tool/vr/index.vue
+++ b/pages_tool/vr/index.vue
@@ -1,6 +1,6 @@
 <template>
 	<view :style="themeColor" class="vr-page">
-		<web-view :src="src" class="vr-webview" @titleUpdate="updateNavbarTitle"></web-view>
+		<web-view :src="src" class="vr-webview" @titleUpdate="forceCustomTitle"></web-view>
 	</view>
 </template>
 
@@ -9,17 +9,24 @@ export default {
 	data() {
 		return {
 			src: '',
-			title: ''
+			title: '',
+			customTitle: '',
+			titleTimer: null
 		};
 	},
 	onLoad(option) {
-		this.title = option?.title ?? '';
+		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.title = res.data.title;
+					this.startTitleGuard();
 				}
 			},
 			fail: res => {
@@ -27,19 +34,35 @@ export default {
 		});
 	},
 	onShow() {
-		this.updateNavbarTitle();
-	},
-	watch: {
-		title(newVal) {
-			this.updateNavbarTitle(newVal);
+		if (this.customTitle) {
+			uni.setNavigationBarTitle({ title: this.customTitle });
 		}
 	},
+	onUnload() {
+		this.clearTitleGuard();
+	},
 	methods: {
-		updateNavbarTitle(newTitle) {
-			const title = newTitle ?? this.title;
-			uni.setNavigationBarTitle({title});
+		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>