update

controller/statisticsController.js

@@ -45,7 +45,7 @@ async function getSMCChangeTrend(req, res, next) {
             },
             {
                 $group: {
-                    _id: { $dateToString: { format: "%Y-%m-%d", date: "$time" } }, // 将时间戳转换为日期字符串
+                    _id: { $dateToString: { format: "%Y-%m-%d", date: "$time", timezone: "+08:00" } }, // 将时间戳转换为日期字符串
                     soilTemperature: { $avg: "$soilTemperature" },
                     soilMoisture: { $avg: "$soilMoisture" },
                     nitrogen: { $avg: "$nitrogen" },
@@ -76,7 +76,7 @@ async function getSMCChangeTrend(req, res, next) {
             },
             {
                 $group: {
-                    _id: { $dateToString: { format: "%Y-%m-%d", date: "$time" } }, // 将时间戳转换为日期字符串
+                    _id: { $dateToString: { format: "%Y-%m-%d", date: "$time", timezone: "+08:00" } }, // 将时间戳转换为日期字符串
                     // soilTemperature: { $avg: "$soilTemperature" },
                     // soilMoisture: { $avg: "$soilMoisture" },
                     // nitrogen: { $avg: "$nitrogen" },
@@ -149,7 +149,7 @@ async function getWSChangeTrend(req, res, next) {
             },
             {
                 $group: {
-                    _id: { $dateToString: { format: "%Y-%m-%d", date: "$time" } }, // 将时间戳转换为日期字符串
+                    _id: { $dateToString: { format: "%Y-%m-%d", date: "$time", timezone: "+08:00" } }, // 将时间戳转换为日期字符串
                     wsTemperature: { $avg: "$wsTemperature" },
                     wsMoisture: { $avg: "$wsMoisture" },
                     rainfall: { $avg: "$rainfall" },
@@ -199,7 +199,7 @@ async function getIPSChangeTrend(req, res, next) {
             },
             {
                 $project: {
-                    fTime: { $dateToString: { format: "%Y-%m-%d", date: "$time" } },
+                    fTime: { $dateToString: { format: "%Y-%m-%d", date: "$time", timezone: "+08:00" } },
                     name: 1,
                     count: 1
                 }