fix

@@ -66,7 +66,7 @@ public class GoodProductListService implements IGoodProductsService {
 
 	private final int maxSmallSortCount = 20;
 	private final int maxProductSknCountPerSort = 5;
-	private final int maxCountPerGroup = 10;
+	private final int maxCountPerGroup = 3;
 	// private final float firstSknScore = 300;
 	private final float recommendedSknMaxScore = 200;
 
@@ -317,7 +317,6 @@ public class GoodProductListService implements IGoodProductsService {
 			int toIndex = (i + 1) * maxCountPerGroup;
 			result.put(i, recommendedSknList.subList(fromIndex, toIndex > maxSize ? maxSize : toIndex));
 		}
-		Collections.shuffle(recommendedSknList);
 		return result;
 	}
 
@@ -342,6 +341,7 @@ public class GoodProductListService implements IGoodProductsService {
 				}
 			}
 		}
+		Collections.shuffle(recommendedSknList);
 		return recommendedSknList;
 	}