From 0d667ba939460c3dc6cdb0c974841bd0be5dc432 Mon Sep 17 00:00:00 2001
From: jinpengyong <jpy123456>
Date: Wed, 16 Dec 2020 13:41:56 +0800
Subject: [PATCH] report_avg_datas接口更新

---
 src/main/java/com/moral/service/impl/HistoryServiceImpl.java |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/moral/service/impl/HistoryServiceImpl.java b/src/main/java/com/moral/service/impl/HistoryServiceImpl.java
index d914880..08137c7 100644
--- a/src/main/java/com/moral/service/impl/HistoryServiceImpl.java
+++ b/src/main/java/com/moral/service/impl/HistoryServiceImpl.java
@@ -406,8 +406,9 @@
         String timeUnits = startTime.substring(0, 10).replace("-", "");
         Map<String, Object> map = historyMapper.getAVGValueByMacAndTimeslot(mac, startTime, endTime, timeUnits);
         Map<String, Object> returnMap = new HashMap<>();
-        if (map.isEmpty()) {
-            returnMap.put("AQI", "N/V");
+        if (ObjectUtils.isEmpty(map) || map.isEmpty()) {
+             returnMap.put("AQI", "N/V");
+             return returnMap;
         } else {
             Map<String, Double> AQIMap = new HashMap<>();
             for (Map.Entry<String, Object> entry : map.entrySet()) {

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