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 e639a494..6a040df6 100644
--- a/src/main/java/com/ai/da/service/impl/DesignServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/DesignServiceImpl.java
@@ -455,7 +455,12 @@ public class DesignServiceImpl extends ServiceImpl<DesignMapper, Design> impleme
             designPythonOutfit.setUserId(userInfo.getId());
             designPythonOutfit.setDesignId(designId);
             designPythonOutfit.setCollectionId(collectionId);
-            designPythonOutfit.setDesignUrl(outfit.getString("synthesis_url"));
+            String synthesisUrl = outfit.getString("synthesis_url");
+            if (!StringUtils.isEmpty(synthesisUrl)) {
+                designPythonOutfit.setDesignUrl(synthesisUrl);
+            }else {
+                throw new BusinessException("design python response synthesis_url is null");
+            }
             designPythonOutfitService.save(designPythonOutfit);
             JSONArray layers = outfit.getJSONArray("layers");
             List<TDesignPythonOutfitDetail> list = new ArrayList<>();