diff --git a/src/main/java/com/zhgd/xmgl/modules/basicdata/service/impl/EngineeringSingleServiceImpl.java b/src/main/java/com/zhgd/xmgl/modules/basicdata/service/impl/EngineeringSingleServiceImpl.java
index e722eb2..8a421a9 100644
--- a/src/main/java/com/zhgd/xmgl/modules/basicdata/service/impl/EngineeringSingleServiceImpl.java
+++ b/src/main/java/com/zhgd/xmgl/modules/basicdata/service/impl/EngineeringSingleServiceImpl.java
@@ -60,11 +60,13 @@ public class EngineeringSingleServiceImpl extends ServiceImpl<EngineeringSingleM
         for (EngineeringMain engineeringMain : engineeringVo.getEngineeringMains()) {
             engineeringMain.setEngineeringSn(engineeringVo.getEngineeringSn());
             engineeringMainService.save(engineeringMain);
-            for (EngineeringMainPerson engineeringMainPerson : engineeringMain.getEngineeringMainPersonList()) {
-                engineeringMainPerson.setMainId(engineeringMain.getId());
-                engineeringMainPerson.setEngineeringSn(engineeringVo.getEngineeringSn());
+            if(engineeringMain.getEngineeringMainPersonList() != null) {
+                for (EngineeringMainPerson engineeringMainPerson : engineeringMain.getEngineeringMainPersonList()) {
+                    engineeringMainPerson.setMainId(engineeringMain.getId());
+                    engineeringMainPerson.setEngineeringSn(engineeringVo.getEngineeringSn());
+                }
+                engineeringMainPersonService.saveBatch(engineeringMain.getEngineeringMainPersonList());
             }
-            engineeringMainPersonService.saveBatch(engineeringMain.getEngineeringMainPersonList());
             EnterpriseScore enterpriseScore = new EnterpriseScore();
             enterpriseScore.setEnterpriseSn(engineeringMain.getEnterpriseSn());
             enterpriseScore.setEngineeringSn(engineeringVo.getEngineeringSn());