diff --git a/server/internal/codes/admin_support.go b/server/internal/codes/admin_support.go
index 9ca8940..4823e41 100644
--- a/server/internal/codes/admin_support.go
+++ b/server/internal/codes/admin_support.go
@@ -31,7 +31,7 @@ func (s *Store) ListBatches(ctx context.Context, limit, offset int) ([]BatchInfo
 	}
 
 	var total int
-	if err := s.db.QueryRowContext(ctx, `SELECT COUNT(*) FROM code_batches`).Scan(&total); err != nil {
+	if err := s.db.QueryRowContext(ctx, `SELECT COUNT(*) FROM codes_batches`).Scan(&total); err != nil {
 		return nil, 0, fmt.Errorf("store.ListBatches count: %w", err)
 	}
 
@@ -41,7 +41,7 @@ func (s *Store) ListBatches(ctx context.Context, limit, offset int) ([]BatchInfo
 		        SUM(c.status = 'redeemed'),
 		        SUM(c.status = 'void'),
 		        SUM(c.status = 'unused')
-		   FROM code_batches b
+		   FROM codes_batches b
 		   LEFT JOIN codes c ON c.batch_id = b.id
 		  GROUP BY b.id, b.channel, b.created_by, b.note, b.created_at
 		  ORDER BY b.id DESC
@@ -73,7 +73,7 @@ func (s *Store) ListBatches(ctx context.Context, limit, offset int) ([]BatchInfo
 // number of codes voided. Already-redeemed codes are left untouched.
 func (s *Store) VoidBatch(ctx context.Context, batchID int64) (int64, error) {
 	res, err := s.db.ExecContext(ctx,
-		`UPDATE codes SET status = 'void' WHERE batch_id = ? AND status = 'unused'`, batchID)
+		`UPDATE codes SET status = 'void', void_reason = 'batch_void' WHERE batch_id = ? AND status = 'unused'`, batchID)
 	if err != nil {
 		return 0, fmt.Errorf("store.VoidBatch: %w", err)
 	}
diff --git a/server/internal/codes/admin_support_sqlite_test.go b/server/internal/codes/admin_support_sqlite_test.go
new file mode 100644
index 0000000..5f05157
--- /dev/null
+++ b/server/internal/codes/admin_support_sqlite_test.go
@@ -0,0 +1,50 @@
+package codes_test
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"github.com/wangjia/pangolin/server/internal/codes"
+)
+
+func TestListBatchesAndVoidBatchOnLibTables(t *testing.T) {
+	ctx := context.Background()
+	db := openMigratedSQLite(t)
+	store := codes.NewStore(db)
+	svc := codes.NewService(store, nil, 5, time.Hour)
+
+	res, err := svc.CreateBatch(ctx, codes.BatchRequest{
+		PlanCode: codes.PlanPro, DurationDays: 30, Count: 3,
+		Channel: codes.ChannelManual, Note: "n", CreatedBy: "admin:1",
+	})
+	if err != nil {
+		t.Fatalf("mint: %v", err)
+	}
+
+	infos, total, err := store.ListBatches(ctx, 50, 0)
+	if err != nil {
+		t.Fatalf("ListBatches: %v", err)
+	}
+	if total != 1 || len(infos) != 1 {
+		t.Fatalf("total=%d len=%d", total, len(infos))
+	}
+	bi := infos[0]
+	if bi.ID != res.BatchID || bi.Channel != codes.ChannelManual || bi.CreatedBy != "admin:1" ||
+		bi.Note != "n" || bi.Total != 3 || bi.Unused != 3 || bi.Redeemed != 0 || bi.Void != 0 {
+		t.Fatalf("BatchInfo = %+v", bi)
+	}
+
+	n, err := store.VoidBatch(ctx, res.BatchID)
+	if err != nil || n != 3 {
+		t.Fatalf("VoidBatch = %d, %v", n, err)
+	}
+	infos, _, err = store.ListBatches(ctx, 50, 0)
+	if err != nil || infos[0].Void != 3 || infos[0].Unused != 0 {
+		t.Fatalf("after void: %+v (err=%v)", infos[0], err)
+	}
+	// 二次 void:0 行(只动 unused)。
+	if n, err := store.VoidBatch(ctx, res.BatchID); err != nil || n != 0 {
+		t.Fatalf("re-void = %d, %v", n, err)
+	}
+}
diff --git a/server/internal/codes/store.go b/server/internal/codes/store.go
index 2d6c36e..455634b 100644
--- a/server/internal/codes/store.go
+++ b/server/internal/codes/store.go
@@ -43,21 +43,12 @@ const (
 
 // SubscriptionRow mirrors the `subscriptions` DB row.
 type SubscriptionRow struct {
-	ID           int64
-	UserID       int64
-	PlanID       int64
-	PlanCode     PlanCode
-	ExpiresAt    time.Time
-	Source       string
-}
-
-// BatchRow mirrors the `code_batches` DB row.
-type BatchRow struct {
 	ID        int64
-	Channel   BatchChannel
-	CreatedBy string
-	Note      sql.NullString
-	CreatedAt time.Time
+	UserID    int64
+	PlanID    int64
+	PlanCode  PlanCode
+	ExpiresAt time.Time
+	Source    string
 }
 
 // Store wraps a *sql.DB and exposes all database operations needed by the
@@ -248,4 +239,3 @@ func (s *Store) MintOne(ctx context.Context, codeHash string, ent libcodes.Entit
 func (s *Store) BeginTx(ctx context.Context) (*sql.Tx, error) {
 	return s.db.BeginTx(ctx, &sql.TxOptions{Isolation: sql.LevelReadCommitted})
 }
-