From a6e039865e12ea9bd1baa80c98167def9cba7d53 Mon Sep 17 00:00:00 2001
From: daiwei <daiwei521@126.com>
Date: Wed, 30 Jul 2025 18:23:07 +0800
Subject: [PATCH] fix: preserve current hydration node during slot insertion

---
 packages/runtime-vapor/src/component.ts | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/packages/runtime-vapor/src/component.ts b/packages/runtime-vapor/src/component.ts
index a74f690b34..f8980f9ac0 100644
--- a/packages/runtime-vapor/src/component.ts
+++ b/packages/runtime-vapor/src/component.ts
@@ -568,12 +568,19 @@ export function createComponentWithFallback(
   }
 
   if (rawSlots) {
-    isHydrating && setCurrentHydrationNode(el.firstChild)
+    let prev: Node
+    if (isHydrating) {
+      prev = currentHydrationNode!
+      setCurrentHydrationNode(el.firstChild)
+    }
     if (rawSlots.$) {
       // TODO dynamic slot fragment
     } else {
       insert(getSlot(rawSlots as RawSlots, 'default')!(), el)
     }
+    if (isHydrating) {
+      setCurrentHydrationNode(prev!)
+    }
   }
 
   if (!isHydrating && _insertionParent) {
-- 
2.47.3