diff --git a/backend/roomroot-jwgl/src/main/java/com/roomroot/jwgl/service/impl/FacultyServiceImpl.java b/backend/roomroot-jwgl/src/main/java/com/roomroot/jwgl/service/impl/FacultyServiceImpl.java
index 332362b9..66a77357 100644
--- a/backend/roomroot-jwgl/src/main/java/com/roomroot/jwgl/service/impl/FacultyServiceImpl.java
+++ b/backend/roomroot-jwgl/src/main/java/com/roomroot/jwgl/service/impl/FacultyServiceImpl.java
@@ -421,13 +421,28 @@ public class FacultyServiceImpl implements FacultyService {
 
     @Override
     public JYSX getJYSXByJYBH(String jybh) {
-        return jysxMapper.selectById(jybh);
+        JYSX entity = jysxMapper.selectById(jybh);
+        if (entity == null) {
+            entity = new JYSX();
+            entity.setJybh(jybh);
+        }
+        return entity;
     }
 
     @Override
     @Transactional
     public void updateJYSX(JYSX entity) {
-        jysxMapper.updateById(entity);
+        if (entity == null || isBlank(entity.getJybh())) {
+            throw new BusinessException("教员编号不能为空");
+        }
+        // 教员属性与教员一对一，历史教员可能没有属性行：更新不到则补插
+        int updated = jysxMapper.updateById(entity);
+        if (updated == 0) {
+            if (entity.getZr() == null) {
+                entity.setZr(0);
+            }
+            jysxMapper.insert(entity);
+        }
     }
 
     // ==================== 年度综合评定查询 ====================