diff --git a/laws-modules/src/main/java/com/jero/modules/laws/standardmasterplan/servicce/impl/LawsStandardMasterPlanServiceImpl.java b/laws-modules/src/main/java/com/jero/modules/laws/standardmasterplan/servicce/impl/LawsStandardMasterPlanServiceImpl.java
index 64a53363..ee91466e 100644
--- a/laws-modules/src/main/java/com/jero/modules/laws/standardmasterplan/servicce/impl/LawsStandardMasterPlanServiceImpl.java
+++ b/laws-modules/src/main/java/com/jero/modules/laws/standardmasterplan/servicce/impl/LawsStandardMasterPlanServiceImpl.java
@@ -289,6 +289,7 @@ public class LawsStandardMasterPlanServiceImpl
                                     .orderByDesc(LawsEvaluationNotMetLibrary::getUpdateTime));
                     if (CollectionUtils.isNotEmpty(list)){
                         String pcrNos = list.stream()
+                                .filter(v -> StringUtils.isNotBlank(v.getPcrNo()))
                                 .map(LawsEvaluationNotMetLibrary::getPcrNo).collect(Collectors.joining(","));
                         lawsStandardMasterPlanSublist.setPcrCode(pcrNos);
                         LawsEvaluationNotMetLibrary lawsEvaluationNotMetLibrary = list.get(0);