diff --git a/laws-modules/src/main/java/com/jero/modules/activiti/process/standardComplianceCheck/entity/ProcessStandardComplianceCheckDetail.java b/laws-modules/src/main/java/com/jero/modules/activiti/process/standardComplianceCheck/entity/ProcessStandardComplianceCheckDetail.java
index 74c120da..f25df9b3 100644
--- a/laws-modules/src/main/java/com/jero/modules/activiti/process/standardComplianceCheck/entity/ProcessStandardComplianceCheckDetail.java
+++ b/laws-modules/src/main/java/com/jero/modules/activiti/process/standardComplianceCheck/entity/ProcessStandardComplianceCheckDetail.java
@@ -277,6 +277,9 @@ public class ProcessStandardComplianceCheckDetail implements Serializable, Compa
     }
 
     private List<String> splitByNumber(String input) {
+        if (input == null) {
+            return Collections.emptyList();
+        }
         Matcher matcher = Pattern.compile("[0-9]+|[^0-9]+").matcher(input);
         List<String> result = new ArrayList<>();
         while (matcher.find()) {