diff --git a/src/main/java/com/xydl/cac/service/impl/IcdFileConfigServiceImpl.java b/src/main/java/com/xydl/cac/service/impl/IcdFileConfigServiceImpl.java
index 96c0694..ca186a0 100644
--- a/src/main/java/com/xydl/cac/service/impl/IcdFileConfigServiceImpl.java
+++ b/src/main/java/com/xydl/cac/service/impl/IcdFileConfigServiceImpl.java
@@ -100,6 +100,13 @@ public class IcdFileConfigServiceImpl implements IcdFileConfigService {
             throw new Exception("未找到该项");
         }
         IcdConfigType r = optional.get();
+        if (r.getTableName() != null && !r.getTableName().equals(item.getTableName())) {
+            List<IcdConfigTypeAtt> attList = attRepository.findByIcdConfigTypeId(r.getId());
+            for (IcdConfigTypeAtt att : attList) {
+                att.setColName(null);
+            }
+            attRepository.saveAll(attList);
+        }
         r.setTableName(item.getTableName());
         repository.save(r);
     }