diff --git a/mes/hd/nladmin-system/src/main/java/org/nl/wms/pdm/service/impl/WorkOrderServiceImpl.java b/mes/hd/nladmin-system/src/main/java/org/nl/wms/pdm/service/impl/WorkOrderServiceImpl.java
index 9a83ad3c..e3333c96 100644
--- a/mes/hd/nladmin-system/src/main/java/org/nl/wms/pdm/service/impl/WorkOrderServiceImpl.java
+++ b/mes/hd/nladmin-system/src/main/java/org/nl/wms/pdm/service/impl/WorkOrderServiceImpl.java
@@ -736,6 +736,7 @@ public class WorkOrderServiceImpl implements WorkOrdereService {
         return ret;
     }
 
+    @Transactional(rollbackFor = Exception.class)
     void updatePcsn(JSONObject from){
         String pcsn = from.getString("pcsn");
         String material_id = from.getString("material_id");
diff --git a/mes/hd/nladmin-system/src/main/java/org/nl/wms/pf/service/impl/AutoformulaServiceImpl.java b/mes/hd/nladmin-system/src/main/java/org/nl/wms/pf/service/impl/AutoformulaServiceImpl.java
index 77a16b97..5691ec38 100644
--- a/mes/hd/nladmin-system/src/main/java/org/nl/wms/pf/service/impl/AutoformulaServiceImpl.java
+++ b/mes/hd/nladmin-system/src/main/java/org/nl/wms/pf/service/impl/AutoformulaServiceImpl.java
@@ -689,6 +689,8 @@ public class AutoformulaServiceImpl implements AutoformulaService {
                     //设X21p减=0，解方程
                     if(flag){
                         // X22p减 =产品碳平衡*(X11p+X12p+X21p+X22p)-总碳/(1- X22碳含量)
+                        //C=X22p减
+                        //X22p减=产品碳平衡*(X11p+X12p+X21p+X22p)+ X22p减*X22碳含量-CT1
                         double C = ((c_balance/100.0)*CT1_weight-CT1)/(1-X22/100.0);
                         if(C<0){
                             flag = false;
@@ -773,6 +775,9 @@ public class AutoformulaServiceImpl implements AutoformulaService {
                     if(!flag){
                         //设X22p减=X22p，解方程
                         //X21p减*=产品碳平衡*(X11p+X12p+X21p+X22p)-(X11p* X11碳含量+X12p* X12碳含量+(X21p)* X21碳含量)-X22p/(1- X21碳含量)
+
+                        //
+                        //X21p减=[产品碳平衡*(X11p+X12p+X21p+X22p)-( X11p* X11碳含量+X12p* X12碳含量+X21p* X21碳含量+X22p)]/ (1-X21碳含量)
                         double X21_jian = ((c_balance/100.0)*CT1_weight - (CT1-X22c) - X22p)/(1-X21/100.0);
                         if(X21_jian<0){
                             throw new BadRequestException("碳化钨减掉结果为负数，当前配粉无解！");