空指针保护

@@ -70,7 +70,7 @@ public class ProductController {
         ProductDetailResp resp = productService.queryProductDetailById(productId);
 
         String hasSecondHandSorts = configReader.getString("ufo.product.secondHandSorts", "");    // 通过配置品类 来限制哪些品类可以二手发布
-        if (StringUtils.isNotBlank(hasSecondHandSorts)) {
+        if (StringUtils.isNotBlank(hasSecondHandSorts) && null != resp.getProduct_info()) {
             String[] sorts = hasSecondHandSorts.split(",");
             ProductInfo p = resp.getProduct_info();
             String thisProductSort = p.getMaxSortId().toString();