diff --git a/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/Product/PptPlan/PlanDownloadAction.cs b/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/Product/PptPlan/PlanDownloadAction.cs
index 4e9ed6f..e13c676 100644
--- a/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/Product/PptPlan/PlanDownloadAction.cs
+++ b/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/Product/PptPlan/PlanDownloadAction.cs
@@ -75,6 +75,11 @@ namespace Mesnac.Action.ChemicalWeighing.Product.PptPlan
             //执行完成后判断下一计划执行方式，自动方式则继续执行下发流程
         }
 
+        /// <summary>
+        /// 将配方数据写入PLC地址
+        /// </summary>
+        /// <param name="recipe"></param>
+        /// <param name="planId"></param>
         public void writeToPlc(string recipe,string planId)
         {
             //获取配方信息、获取工艺参数信息