diff --git a/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/rulematch/WriteVariableService.java b/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/rulematch/WriteVariableService.java
index 1705085..9e8a382 100644
--- a/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/rulematch/WriteVariableService.java
+++ b/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/rulematch/WriteVariableService.java
@@ -53,6 +53,10 @@ public class WriteVariableService implements IWriteVariableService {
     public MesEquipVariableRwResult writeVariable(StationRequestBean reqBean, String value, MesEquipmentVariable equipmentVariable, String kepwareFlag, Integer foreignKey, Integer index, Integer maxTimes) {
         // 需要不同的策略不同的转换方式
         String newValue = transferValue(reqBean, value, foreignKey, index);
+        if (StringUtils.isEmpty(newValue)) {
+            LOGGER.info("发送的值为空,不予发送");
+            return null;
+        }
         MesEquipVariableRwResult mesEquipVariableRwResult = equipVariableRwExtService.writeVariable(newValue, equipmentVariable, kepwareFlag);
         if (!mesEquipVariableRwResult.getIsSuccessed() && mesEquipVariableRwResult.getIsNoCfg())  {
             for (int i = 0;i < maxTimes; i++) {
@@ -90,6 +94,9 @@ public class WriteVariableService implements IWriteVariableService {
             if (StringUtils.isEmpty(value)) {
                 return null;
             }
+            if (mesProductionPartContext == null) {
+                mesProductionPartContext = new MesProductionPartContext();
+            }
             switch (value.toUpperCase()) {
                 case "%RESULT%" : newValue = mesProductionPartContext.getPartNo(); break;
                 case "%PARAM%":  newValue = mesProductionPartContext.getWorkOrderNo(); break;
diff --git a/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/step/MesAssemblyScanStepService.java b/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/step/MesAssemblyScanStepService.java
index 013dca5..85668de 100644
--- a/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/step/MesAssemblyScanStepService.java
+++ b/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/step/MesAssemblyScanStepService.java
@@ -95,8 +95,8 @@ public class MesAssemblyScanStepService extends BaseStepService {
         if (CollectionUtils.isEmpty(prodRuleContextList)) {
 
             //获取上下文生产扫/读信息:装配件条码
-            List<MesEquipVariableCollectContext> cachedEquipVariableCollectContextList = productionDispatchContextStepService.getScanAssemblySnContext(reqBean);
 
+            List<MesEquipVariableCollectContext> cachedEquipVariableCollectContextList = productionDispatchContextStepService.getScanAssemblySnContext(reqBean);
             //删除上下文扫/读信息:装配件条码
             productionDispatchContextStepService.deleteScanAssemblySnContext(reqBean);
 
diff --git a/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/step/MesAssemblyShowNosortStepService.java b/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/step/MesAssemblyShowNosortStepService.java
index 5cc332a..ef1e260 100644
--- a/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/step/MesAssemblyShowNosortStepService.java
+++ b/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/step/MesAssemblyShowNosortStepService.java
@@ -294,7 +294,7 @@ public class MesAssemblyShowNosortStepService extends BaseStepService {
     //显示装配件信息
     public Boolean showProductionAssembly(StationRequestBean reqBean, StationResultBean resultBean, MesWorkCenter workCenter, MesCellEquipContext cellEquipContext, List<MesProdRuleContext> prodRuleContextList, List<MesProductionPartContext> productionPartContextList) {
 
-        Map<Integer, MesProductionPartContext> productionPartMap = productionPartContextList.stream().filter(o -> null != o && o.getForeignKey() != null).collect(Collectors.toMap(MesProductionPartContext::getForeignKey, o -> o));
+        Map<Integer, MesProductionPartContext> productionPartMap = productionPartContextList == null ? null : productionPartContextList.stream().filter(o -> null != o && o.getForeignKey() != null).collect(Collectors.toMap(MesProductionPartContext::getForeignKey, o -> o));
 
         for (MesProdRuleContext prodRuleContext : prodRuleContextList) {