From ddf201f4aa7644dc3813172b4a0ca200881b734c Mon Sep 17 00:00:00 2001
From: waterWang <waterWang@users.noreply.github.com>
Date: Sun, 16 Aug 2026 19:29:04 +0800
Subject: [PATCH] fix(query-core): fall back to query's own staleTime in
 isStatic() when no observers exist

---
 packages/query-core/src/query.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/query-core/src/query.ts b/packages/query-core/src/query.ts
index 62bc9a16082..c1d54e7c070 100644
--- a/packages/query-core/src/query.ts
+++ b/packages/query-core/src/query.ts
@@ -298,7 +298,9 @@ export class Query<
       )
     }
 
-    return false
+    // if a query has no observers, fall back to the query's own staleTime
+    // (mirrors isDisabled's no-observer fallback pattern)
+    return resolveStaleTime((this.options as any).staleTime, this) === 'static'
   }
 
   isStale(): boolean {