diff --git a/src/main/java/com/ai/da/service/impl/UserLikeGroupServiceImpl.java b/src/main/java/com/ai/da/service/impl/UserLikeGroupServiceImpl.java
index 8f0b03b7..ad68eb0d 100644
--- a/src/main/java/com/ai/da/service/impl/UserLikeGroupServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/UserLikeGroupServiceImpl.java
@@ -2617,9 +2617,11 @@ public class UserLikeGroupServiceImpl extends ServiceImpl<UserLikeGroupMapper, U
 
     @Override
     public Boolean toProductImageElementDelete(Long id) {
-        ToProductElement toProductElement = toProductElementMapper.selectById(id);
-        toProductElement.setProjectId(null);
-        toProductElementMapper.updateById(toProductElement);
+        UpdateWrapper<ToProductElement> updateWrapper = new UpdateWrapper<>();
+        updateWrapper
+                .set("project_id", null) // 显式设置 NULL
+                .eq("id", id);            // 指定条件
+        toProductElementMapper.update(null, updateWrapper);
         return Boolean.TRUE;
     }
 }