diff --git a/internal/web/service/inbound_node.go b/internal/web/service/inbound_node.go
index 775fa6773..74ce45f26 100644
--- a/internal/web/service/inbound_node.go
+++ b/internal/web/service/inbound_node.go
@@ -173,13 +173,9 @@ func (s *InboundService) ReconcileNode(ctx context.Context, rt *runtime.Remote,
 	// rest were never imported, so their absence from the local DB must not
 	// delete them from the node. Only a selected tag missing locally (the
 	// panel deleted it while the node was unreachable) may be swept.
-	var selected map[string]struct{}
-	if n.InboundSyncMode == "selected" {
-		selected = make(map[string]struct{}, len(n.InboundTags))
-		for _, tag := range n.InboundTags {
-			selected[tag] = struct{}{}
-		}
-	}
+	// The node reports a panel-created inbound with its n<id>- prefix stripped,
+	// so the selected set must carry both forms or the sweep never matches.
+	selected := nodeSelectedTagSet(n)
 	for _, tag := range remoteTags {
 		if _, want := desiredTags[tag]; want {
 			continue
diff --git a/internal/web/service/inbound_node_reconcile_test.go b/internal/web/service/inbound_node_reconcile_test.go
index 9817652f1..d10c69008 100644
--- a/internal/web/service/inbound_node_reconcile_test.go
+++ b/internal/web/service/inbound_node_reconcile_test.go
@@ -3,6 +3,7 @@ package service
 import (
 	"context"
 	"encoding/json"
+	"fmt"
 	"net/http"
 	"net/http/httptest"
 	"net/url"
@@ -404,3 +405,29 @@ func TestEnsureInboundTagAllowed(t *testing.T) {
 		t.Fatalf("all-mode node must stay without tags, got %#v", gotAll.InboundTags)
 	}
 }
+
+// A panel-created node inbound is stored as "n<id>-tag" and pushed to the node
+// with the prefix stripped, so the sweep's selected set must match both forms.
+func TestReconcileNode_SelectedModeSweepsPrefixedSelectedTag(t *testing.T) {
+	setupConflictDB(t)
+
+	ts, deletedIDs := fakeNodePanel(t, map[string]int{
+		"keep":          1,
+		"selected-gone": 2,
+		"unmanaged":     3,
+	})
+	node := reconcileTestNode(t, ts, "sel-prefix-node", "selected", nil)
+	prefix := fmt.Sprintf("n%d-", node.Id)
+	node.InboundTags = []string{prefix + "keep", prefix + "selected-gone"}
+	seedInboundConflictNode(t, prefix+"keep", "", 443, model.VLESS, `{"network":"tcp"}`, `{"clients":[]}`, &node.Id)
+
+	svc := InboundService{}
+	if err := svc.ReconcileNode(context.Background(), runtime.NewRemote(node, nil), node); err != nil {
+		t.Fatalf("ReconcileNode: %v", err)
+	}
+
+	got := deletedIDs()
+	if len(got) != 1 || got[0] != 2 {
+		t.Fatalf("deleted remote ids = %v, want [2] (prefixed selected tag must be swept, unmanaged 3 must survive)", got)
+	}
+}