From 3e3ce64bcf2e2715df83aac708e9619c2e6bb36c Mon Sep 17 00:00:00 2001
From: xuegan <xuegan@didiglobal.com>
Date: Mon, 14 Sep 2026 17:18:09 +0800
Subject: [PATCH] fix(rn): reset swiper offset when items shrink

---
 .../lib/runtime/components/react/mpx-swiper.tsx          | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/packages/webpack-plugin/lib/runtime/components/react/mpx-swiper.tsx b/packages/webpack-plugin/lib/runtime/components/react/mpx-swiper.tsx
index 8067e798b1..2dd33ec7c2 100644
--- a/packages/webpack-plugin/lib/runtime/components/react/mpx-swiper.tsx
+++ b/packages/webpack-plugin/lib/runtime/components/react/mpx-swiper.tsx
@@ -584,8 +584,9 @@ const SwiperWrapper = forwardRef<HandlerRef<View, SwiperProps>, SwiperProps>((pr
     childrenLength.value = children.length
     if (children.length <= 1 || maxIndex < currentIndex.value) {
       pauseLoop()
-      currentIndex.value = circular ? 0 : maxIndex
-      offset.value = getOffset(currentIndex.value, step.value)
+      const nextIndex = circular ? 0 : maxIndex
+      currentIndex.value = nextIndex
+      offset.value = getOffset(nextIndex, step.value)
       if (autoplay && children.length > 1) {
         loop()
       }
@@ -613,7 +614,9 @@ const SwiperWrapper = forwardRef<HandlerRef<View, SwiperProps>, SwiperProps>((pr
     if (circular !== circularShared.value || patchElmNum !== patchElmNumShared.value) {
       circularShared.value = circular
       patchElmNumShared.value = patchElmNum
-      offset.value = getOffset(currentIndex.value, step.value)
+      if (children.length > 1 && currentIndex.value <= maxIndex) {
+        offset.value = getOffset(currentIndex.value, step.value)
+      }
     }
   }, [circular, patchElmNum])
   const { gestureHandler } = useMemo(() => {