diff --git a/src/core/view/components/swiper/index.vue b/src/core/view/components/swiper/index.vue
index e5ec90db115f6a85c7bb5924b3ef8a727225e85a..e8b16d0f4abcd8cb5e582f1aca026db520c178d1 100644
--- a/src/core/view/components/swiper/index.vue
+++ b/src/core/view/components/swiper/index.vue
@@ -487,7 +487,6 @@ export default {
       }
     },
     _handleTrackStart () {
-      if (!this.items.length) return
       this._cancelSchedule()
       this._contentTrackViewport = this._viewportPosition
       this._contentTrackSpeed = 0
@@ -495,7 +494,6 @@ export default {
       this._cancelViewportAnimation()
     },
     _handleTrackMove (data) {
-      if (!this.items.length) return
       var self = this
       var contentTrackT = this._contentTrackT
       this._contentTrackT = Date.now()
@@ -530,7 +528,6 @@ export default {
       }
     },
     _handleTrackEnd (isCancel) {
-      if (!this.items.length) return
       this.userTracking = false
       var t = this._contentTrackSpeed / Math.abs(this._contentTrackSpeed)
       var n = 0
@@ -547,7 +544,7 @@ export default {
       }
     },
     _handleContentTrack (e) {
-      if (this.disableTouch) {
+      if (this.disableTouch || !this.items.length) {
         return
       }
       if (!this._invalid) {
diff --git a/src/platforms/app-plus/service/api/ui/tab-bar.js b/src/platforms/app-plus/service/api/ui/tab-bar.js
index c5510fba15d45b4d131eba4f7d9b587b545e13ae..3fdc0dd860686e990b6c21bfe72ffba0bbc18a6a 100644
--- a/src/platforms/app-plus/service/api/ui/tab-bar.js
+++ b/src/platforms/app-plus/service/api/ui/tab-bar.js
@@ -23,6 +23,11 @@ export function setTabBarItem ({
   pagePath,
   visible
 }) {
+  if (!isTabBarPage()) {
+    return {
+      errMsg: 'setTabBarItem:fail not TabBar page'
+    }
+  }
   tabBar.setTabBarItem(index, text, iconPath, selectedIconPath, visible)
   const route = pagePath && __uniRoutes.find(({ path }) => path === pagePath)
   if (route) {