Fix：5527 【管理后台】媒体管理-弹窗海报，在填写使用指南板块链接时每次从其他板块切换至首页均重复弹出弹窗

pages/home/index.vue

@@ -916,6 +916,18 @@ export default {
       }
       app.globalData.homeDrawPosterShownInSession = true
     },
+    hasShownOldUserPopupInSession() {
+      const app = getApp && getApp()
+      return Boolean(app && app.globalData && app.globalData.homeOldUserPopupShownInSession)
+    },
+    markOldUserPopupShownInSession() {
+      const app = getApp && getApp()
+      if (!app) return
+      if (!app.globalData) {
+        app.globalData = {}
+      }
+      app.globalData.homeOldUserPopupShownInSession = true
+    },
     initPosterPopupState(data = {}) {
       const drawEntranceConfig = data.drawEntranceConfig || {}
       this.$set(this, 'drawEntranceConfig', drawEntranceConfig)
@@ -932,10 +944,19 @@ export default {
         (data.lotteryCanDraw || false) 
       )
       this.isDrawPosterVisible = shouldShowDrawPoster
-      this.isOldUser = !shouldShowDrawPoster && !hasShownDrawPosterInSession && this.canShowOldPoster
+      const shouldShowOldUserPopup =
+        !shouldShowDrawPoster &&
+        !hasShownDrawPosterInSession &&
+        this.canShowOldPoster &&
+        !this.hasShownOldUserPopupInSession()
+      if (shouldShowOldUserPopup) {
+        this.markOldUserPopupShownInSession()
+      }
+      this.isOldUser = shouldShowOldUserPopup
     },
     showNextPoster() {
-      if (!this.isDrawPosterVisible && this.canShowOldPoster) {
+      if (!this.isDrawPosterVisible && this.canShowOldPoster && !this.hasShownOldUserPopupInSession()) {
+        this.markOldUserPopupShownInSession()
         this.isOldUser = true
       }
     },