diff --git a/src/main/java/com/bsd/cases/service/impl/CaseCategoryServiceImpl.java b/src/main/java/com/bsd/cases/service/impl/CaseCategoryServiceImpl.java
index e89ecf9..b70a2ea 100644
--- a/src/main/java/com/bsd/cases/service/impl/CaseCategoryServiceImpl.java
+++ b/src/main/java/com/bsd/cases/service/impl/CaseCategoryServiceImpl.java
@@ -127,7 +127,10 @@ public class CaseCategoryServiceImpl extends BaseServiceImpl<CaseCategoryMapper,
             if (0 == type){
                 CaseCategory caseCategory = caseCategoryMapper.selectByPrimaryKey(caseSearchVo.getId());
                 CaseCategory parentCategory = caseCategoryMapper.selectByPrimaryKey(caseCategory.getParentId());
-                caseSearchVo.setParentName(parentCategory.getName());
+                if(null != parentCategory){
+                    caseSearchVo.setParentName(parentCategory.getName());
+                }
+
             }else {
                 CaseContentStatical findCaseContentStatical = new CaseContentStatical();
                 findCaseContentStatical.setState(Constants.STATE_VALID);