优化

src/main/java/com/imcs/admin/business/service/impl/BigScreenDetailServiceImpl.java

@@ -158,8 +158,12 @@ public class BigScreenDetailServiceImpl implements BigScreenDetailService {
         List<Map<String, Object>> items = detailQuery.getData().getItems();
         if(!CollectionUtil.isEmpty(items)){
             List<String> yearMonthStr = items.stream().map(vo -> vo.get("yearMonthStr").toString()).collect(Collectors.toList());
-            List<BigDecimal> avgYearMonth = items.stream().map(vo -> new BigDecimal(vo.get("averageValue").toString())).collect(Collectors.toList());
-            jsonObject.put("yearMonthList",yearMonthStr);
+            List<BigDecimal> avgYearMonth = items.stream()
+                    .map(vo -> {
+                        BigDecimal value = new BigDecimal(vo.get("averageValue").toString());
+                        return value.compareTo(BigDecimal.ZERO) < 0 ? BigDecimal.ZERO : value;
+                    })
+                    .collect(Collectors.toList());            jsonObject.put("yearMonthList",yearMonthStr);
             jsonObject.put("avgYearMonth",avgYearMonth);
         }
     }