diff --git a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdEngInfoBHServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdEngInfoBHServiceImpl.java
index 37ca529c..6afe35c0 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdEngInfoBHServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdEngInfoBHServiceImpl.java
@@ -258,10 +258,11 @@ public class SdEngInfoBHServiceImpl extends ServiceImpl<SdEngInfoBHMapper, SdEng
     @Override
     @Transactional(rollbackFor = Exception.class)
     public boolean updateEngInfo(Map<String, Object> engInfoPatch, String source) throws JsonMappingException {
-        if (engInfoPatch == null || engInfoPatch.isEmpty()) {
+        Map<String, Object> filteredPatch = filterEngInfoPatchFields(engInfoPatch);
+        if (filteredPatch.isEmpty()) {
             return false;
         }
-        String stcd = toTextValue(engInfoPatch.get("stcd"));
+        String stcd = toTextValue(filteredPatch.get("stcd"));
         if (!StringUtils.hasText(stcd)) {
             return false;
         }
@@ -270,9 +271,9 @@ public class SdEngInfoBHServiceImpl extends ServiceImpl<SdEngInfoBHMapper, SdEng
             return false;
         }
         SdEngInfoBH after = BeanUtil.copyProperties(before, SdEngInfoBH.class);
-        objectMapper.updateValue(after, engInfoPatch);
+        objectMapper.updateValue(after, filteredPatch);
         fillRelatedNameFields(after);
-        boolean result = updateEngInfoByPatch(stcd, after, engInfoPatch);
+        boolean result = updateEngInfoByPatch(stcd, after, filteredPatch);
         if (result) {
             msOperationLogService.recordEngUpdateLog(before, after, source);
         }
@@ -431,6 +432,26 @@ public class SdEngInfoBHServiceImpl extends ServiceImpl<SdEngInfoBHMapper, SdEng
         return value == null ? null : String.valueOf(value);
     }
 
+    private Map<String, Object> filterEngInfoPatchFields(Map<String, Object> engInfoPatch) {
+        Map<String, Object> filteredPatch = new LinkedHashMap<>();
+        if (engInfoPatch == null || engInfoPatch.isEmpty()) {
+            return filteredPatch;
+        }
+        Set<String> validFieldNames = new HashSet<>();
+        for (Field field : SdEngInfoBH.class.getDeclaredFields()) {
+            if ("serialVersionUID".equals(field.getName())) {
+                continue;
+            }
+            validFieldNames.add(field.getName());
+        }
+        for (Map.Entry<String, Object> entry : engInfoPatch.entrySet()) {
+            if (validFieldNames.contains(entry.getKey())) {
+                filteredPatch.put(entry.getKey(), entry.getValue());
+            }
+        }
+        return filteredPatch;
+    }
+
     private boolean isLinkedNameFieldPatched(String fieldName, Map<String, Object> engInfoPatch) {
         for (Map.Entry<String, String> entry : ENG_CODE_NAME_FIELD_MAP.entrySet()) {
             if (entry.getValue().equals(fieldName) && engInfoPatch.containsKey(entry.getKey())) {