diff --git a/src/CncRepository/Impl/DailyProductionRepository.cs b/src/CncRepository/Impl/DailyProductionRepository.cs
index 34e656a..132728c 100644
--- a/src/CncRepository/Impl/DailyProductionRepository.cs
+++ b/src/CncRepository/Impl/DailyProductionRepository.cs
@@ -173,7 +173,7 @@ namespace CncRepository.Impl
                 var parameters = new DynamicParameters();
                 parameters.Add("Start", startDate); parameters.Add("End", endDate);
                 if (workerId.HasValue) { sql += " AND w.id = @WorkerId"; parameters.Add("WorkerId", workerId.Value); }
-                sql += " GROUP BY w.id, w.name ORDER BY TotalQuantity DESC";
+                sql += " GROUP BY w.id, w.name HAVING COALESCE(SUM(dp.end_total_count - dp.base_total_count), 0) > 0 ORDER BY TotalQuantity DESC";
                 var items = conn.Query<WorkerProductionListItem>(sql, parameters).ToList();
                 if (items.Count > 0) { int grandTotal = items.Sum(x => x.TotalQuantity); for (int i = 0; i < items.Count; i++) { items[i].Rank = i + 1; if (grandTotal > 0) items[i].Percentage = Math.Round((decimal)items[i].TotalQuantity / grandTotal * 100, 1); } }
                 return items;