diff --git a/internal/session/fallback_store.go b/internal/session/fallback_store.go
index 7c69598..2dcfed9 100644
--- a/internal/session/fallback_store.go
+++ b/internal/session/fallback_store.go
@@ -250,24 +250,19 @@ func (fs *FallbackStore) Metrics() StoreMetrics {
 	isDegraded := fs.degraded.Load()
 
 	m := StoreMetrics{
-		Type:    "redis",
-		Healthy: healthy,
+		Type:        "redis",
+		Healthy:     healthy,
+		ActiveCount: -1, // Redis 模式不统计活跃会话数（代价高），模板 ge 0 判断自动隐藏
 	}
 
 	if !healthy {
 		m.Type = "memory"
 		m.Degraded = true
+		m.ActiveCount = fs.memory.Metrics().ActiveCount
 	} else if isDegraded {
 		m.Degraded = true
 		m.DegradedNote = "Redis 已恢复，但存在历史降级记录（重启后清除）"
 	}
 
-	// 活跃会话数：Redis 模式不统计（代价高），Memory 模式可从 memory store 获取
-	if !healthy {
-		if memMetrics := fs.memory.Metrics(); memMetrics.Type == "memory" {
-			m.ActiveCount = memMetrics.ActiveCount
-		}
-	}
-
 	return m
 }