diff --git a/src/main/java/com/zhgd/xmgl/modules/basicdata/service/impl/EngineeringStageServiceImpl.java b/src/main/java/com/zhgd/xmgl/modules/basicdata/service/impl/EngineeringStageServiceImpl.java
index 0ad3204..255f859 100644
--- a/src/main/java/com/zhgd/xmgl/modules/basicdata/service/impl/EngineeringStageServiceImpl.java
+++ b/src/main/java/com/zhgd/xmgl/modules/basicdata/service/impl/EngineeringStageServiceImpl.java
@@ -55,8 +55,10 @@ public class EngineeringStageServiceImpl extends ServiceImpl<EngineeringStageMap
                 for (EngineeringStageEight engineeringStageEight : engineeringStageVo.getEngineeringStageEightList()) {
                     engineeringStageEight.setStageId(engineeringStageVo.getId());
                     engineeringStageEightService.save(engineeringStageEight);
-                    for (AnnexFile annexFile : engineeringStageEight.getAnnexFiles()) {
-                        annexFile.setRelevanceId(engineeringStageEight.getId().toString());
+                    if (engineeringStageEight.getAnnexFiles() != null) {
+                        for (AnnexFile annexFile : engineeringStageEight.getAnnexFiles()) {
+                            annexFile.setRelevanceId(engineeringStageEight.getId().toString());
+                        }
                     }
                     annexFileService.saveBatch(engineeringStageEight.getAnnexFiles());
                 }
@@ -89,8 +91,10 @@ public class EngineeringStageServiceImpl extends ServiceImpl<EngineeringStageMap
             for (EngineeringStageEight engineeringStageEight : engineeringStageVo.getEngineeringStageEightList()) {
                 engineeringStageEight.setStageId(engineeringStageVo.getId());
                 engineeringStageEightService.save(engineeringStageEight);
-                for (AnnexFile annexFile : engineeringStageEight.getAnnexFiles()) {
-                    annexFile.setRelevanceId(engineeringStageEight.getId().toString());
+                if (engineeringStageEight.getAnnexFiles() != null) {
+                    for (AnnexFile annexFile : engineeringStageEight.getAnnexFiles()) {
+                        annexFile.setRelevanceId(engineeringStageEight.getId().toString());
+                    }
                 }
                 annexFileService.saveBatch(engineeringStageEight.getAnnexFiles());
             }