diff --git a/app/service/outfit_matcher/dataset.py b/app/service/outfit_matcher/dataset.py
index a363c00..6e11983 100644
--- a/app/service/outfit_matcher/dataset.py
+++ b/app/service/outfit_matcher/dataset.py
@@ -80,12 +80,12 @@ class FashionDataset(object):
                     used_items.add(item["item_name"])
                     outfit = [query_item, item]
                     outfit_list.append(tuple(outfit))
-
-                    # 20% chance to include an outerwear
-                    if self.cate2num['outerwear'] > 0 and random.random() < 0.2:
-                        outerwear = random.choice(self.cate2item['outerwear'])
-                        outfit.append(outerwear)
-                        outfit_list.append(tuple(outfit))
+                    if "outerwear" in self.cate2item.keys():
+                        # 20% chance to include an outerwear
+                        if self.cate2num['outerwear'] > 0 and random.random() < 0.2:
+                            outerwear = random.choice(self.cate2item['outerwear'])
+                            outfit.append(outerwear)
+                            outfit_list.append(tuple(outfit))
             if len(outfit_list) < topk:
                 raise ValueError(f"Cannot generate more than {topk} outfits!")
 
diff --git a/app/service/outfit_matcher/test_param/recommendation_test_zcr.json b/app/service/outfit_matcher/test_param/recommendation_test_zcr.json
index 616dfc7..8a29976 100644
--- a/app/service/outfit_matcher/test_param/recommendation_test_zcr.json
+++ b/app/service/outfit_matcher/test_param/recommendation_test_zcr.json
@@ -1,6 +1,6 @@
 {
-  "topk": 5,
-  "max_outfits": 100,
+  "topk": 1,
+  "max_outfits": 10,
   "is_best": true,
   "query": [
     {