数据为空

cash-service/product-service/src/main/java/com/czg/service/product/service/impl/ProductServiceImpl.java

@@ -339,7 +339,9 @@ public class ProductServiceImpl extends ServiceImpl<ProductMapper, Product> impl
             Set<String> keys = redisService.rightLikeKey(prefix);
             for (String key : keys) {
                 List<ProductDTO> prodList = redisService.getJsonToBeanList(key, ProductDTO.class);
-                list.addAll(prodList);
+                if(CollUtil.isNotEmpty(prodList)) {
+                    list.addAll(prodList);
+                }
             }
         } else {
             String key = prefix + param.getCategoryId();