diff --git a/ProductionMgr/Tnb.ProductionMgr/PrdMoTaskService.cs b/ProductionMgr/Tnb.ProductionMgr/PrdMoTaskService.cs
index 078689fc..e17fb054 100644
--- a/ProductionMgr/Tnb.ProductionMgr/PrdMoTaskService.cs
+++ b/ProductionMgr/Tnb.ProductionMgr/PrdMoTaskService.cs
@@ -1829,7 +1829,7 @@ namespace Tnb.ProductionMgr
                 if (processStandardsH == null) throw Oops.Bah("工艺标准成型周期错误");
                 if (processStandardsH?.moulding_cycle <= 0) throw Oops.Bah("工艺标准成型周期错误");
 
-                decimal? addTime = (input.scheduled_qty * toolMolds.mold_cavity - 1) / processStandardsH?.moulding_cycle + 1;
+                decimal? addTime = (input.scheduled_qty * processStandardsH?.moulding_cycle - 1) / toolMolds.mold_cavity + 1;
                 return input.estimated_start_date.AddSeconds((double)addTime.Value).ToString("yyyy-MM-dd HH:mm:ss");
             }
             else