diff --git a/assets/script/game/map/SinfoComp.ts b/assets/script/game/map/SinfoComp.ts
index 588f422a..b4c20a96 100644
--- a/assets/script/game/map/SinfoComp.ts
+++ b/assets/script/game/map/SinfoComp.ts
@@ -131,6 +131,13 @@ export class SinfoComp extends CCComp {
         this.close_btn?.on(NodeEventType.TOUCH_END, this.onCloseClick, this);
     }
 
+    onDisable() {
+        // 节点离场（含被 LayerManager 移入缓存池）即注销全局触摸，
+        // 防止残留监听导致 detached 节点再次响应关闭
+        this.unscheduleAllCallbacks();
+        input.off(Input.EventType.TOUCH_END, this.onGlobalTouch, this);
+    }
+
     onDestroy() {
         super.onDestroy();
         if (this.node && this.node.isValid) {
@@ -150,9 +157,12 @@ export class SinfoComp extends CCComp {
     onAdded(params: SInfoParams) {
         this.params = params;
         this.render();
-        // 延迟一帧注册全局触摸，避免本次点击立即触发关闭
+        // 延迟一帧注册全局触摸，避免本次点击立即触发关闭；
+        // 回调内校验节点仍在舞台，防止同帧开关导致监听泄漏
         this.scheduleOnce(() => {
-            input.on(Input.EventType.TOUCH_END, this.onGlobalTouch, this);
+            if (this.node && this.node.isValid && this.node.activeInHierarchy) {
+                input.on(Input.EventType.TOUCH_END, this.onGlobalTouch, this);
+            }
         }, 0);
     }
 
@@ -189,6 +199,9 @@ export class SinfoComp extends CCComp {
 
     /** 关闭弹窗 */
     private close() {
+        // 防御重复关闭：节点已被移除（如关闭按钮与全局触摸同帧先后触发，
+        // removeByNode 默认不销毁节点，此时 isValid 仍为 true 但 parent 为 null）
+        if (!this.node || !this.node.isValid || !this.node.parent) return;
         oops.gui.removeByNode(this.node);
     }