diff --git a/frontend/src/components/ChatRenderer/Ticker.vue b/frontend/src/components/ChatRenderer/Ticker.vue
index 67d09e9..28abd49 100644
--- a/frontend/src/components/ChatRenderer/Ticker.vue
+++ b/frontend/src/components/ChatRenderer/Ticker.vue
@@ -66,6 +66,7 @@ export default {
     return {
       MESSAGE_TYPE_MEMBER: constants.MESSAGE_TYPE_MEMBER,
 
+      curTime: new Date(),
       updateTimerId: window.setInterval(this.updateProgress.bind(this), 1000),
       pinnedMessage: null
     }
@@ -108,7 +109,7 @@ export default {
         color2 = config.colors.headerBg
         pinTime = config.pinTime
       }
-      let progress = (1 - (new Date() - message.addTime) / (60 * 1000) / pinTime) * 100
+      let progress = (1 - (this.curTime - message.addTime) / (60 * 1000) / pinTime) * 100
       if (progress < 0) {
         progress = 0
       } else if (progress > 100) {
@@ -129,7 +130,7 @@ export default {
       return 'CN¥' + formatCurrency(message.price)
     },
     updateProgress() {
-      let curTime = new Date()
+      this.curTime = new Date()
       for (let i = 0; i < this.messages.length;) {
         let pinTime
         if (this.messages[i].type === constants.MESSAGE_TYPE_MEMBER) {
@@ -138,7 +139,7 @@ export default {
           let config = constants.getPriceConfig(this.messages[i].price)
           pinTime = config.pinTime
         }
-        if ((curTime - this.messages[i].addTime) / (60 * 1000) >= pinTime) {
+        if ((this.curTime - this.messages[i].addTime) / (60 * 1000) >= pinTime) {
           if (this.pinnedMessage == this.messages[i]) {
             this.pinnedMessage = null
           }
@@ -147,8 +148,6 @@ export default {
           i++
         }
       }
-
-      this.$forceUpdate()
     },
     onItemClick(message) {
       if (this.pinnedMessage == message) {
diff --git a/frontend/src/components/ChatRenderer/index.vue b/frontend/src/components/ChatRenderer/index.vue
index dcb1b27..0f9f91e 100644
--- a/frontend/src/components/ChatRenderer/index.vue
+++ b/frontend/src/components/ChatRenderer/index.vue
@@ -514,7 +514,7 @@ export default {
         return true
       }
       // 防止在OBS中卡住，超过一定时间也可以自动滚动
-      return new Date() - this.cantScrollStartTime >= 10 * 1000
+      return new Date() - this.cantScrollStartTime >= 5 * 1000
     },
     refreshCantScrollStartTime() {
       // 有鼠标事件时刷新，防止用户看弹幕时自动滚动
diff --git a/frontend/src/layout/index.vue b/frontend/src/layout/index.vue
index 5bcc026..846012f 100644
--- a/frontend/src/layout/index.vue
+++ b/frontend/src/layout/index.vue
@@ -15,7 +15,9 @@
     </el-aside>
     <el-main>
       <el-button v-show="isMobile" class="menu-button" icon="el-icon-s-unfold" @click="hideSidebar = false"></el-button>
-      <router-view></router-view>
+      <keep-alive>
+        <router-view></router-view>
+      </keep-alive>
     </el-main>
   </el-container>
 </template>