diff --git a/src/main/java/com/ai/da/service/impl/DesignServiceImpl.java b/src/main/java/com/ai/da/service/impl/DesignServiceImpl.java
index f68374eb..dea058d8 100644
--- a/src/main/java/com/ai/da/service/impl/DesignServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/DesignServiceImpl.java
@@ -1154,7 +1154,7 @@ public class DesignServiceImpl extends ServiceImpl<DesignMapper, Design> impleme
                         .toLocalDateTime());
                 userPreference.setDesignItemId(designItem.getId());
                 userPreference.setProjectId(projectId);
-                if (workspaceRelStyles == null) {
+                if (workspaceRelStyles == null||workspaceRelStyles.size()==0) {
                     //查不到记录，style应该是all
                     userPreference.setWorkspaceRelStyleId(0L);
                 } else {