fix compile bug

@@ -178,7 +178,7 @@ public class WebProductIndexBaseService {
         for (Map<String, Object> productEsSource : productEsSourceList) {
             sknReturnInfoList.add(this.getPcProductMapFromEsSource(productEsSource));
         }
-        sknReturnInfoList = productPricePlanIndexBaseService.fillProductPricePlan(sknReturnInfoList);
+        productPricePlanIndexBaseService.fillProductPricePlan(sknReturnInfoList);
         return sknReturnInfoList;
     }