update

controller/statisticsController.js

@@ -404,16 +404,20 @@ async function getEnvironmentalTrend(req, res, next) {
             {
                 $group: {
                     _id: { $dateToString: { format: "%Y-%m-%d", date: "$time", timezone: "+08:00" } }, // 将时间戳转换为日期字符串
-                    miCcrobialCount: { $avg: "$miCcrobialCount" },
-                    particleConcentration: { $avg: "$particleConcentration" },
-                    chemicalPollutant: { $avg: "$chemicalPollutant" },
+                    pm10: { $avg: "$pm10" },
+                    pm25: { $avg: "$pm25" },
+                    O3: { $avg: "$O3" },
+                    temp: { $avg: "$temp" },
+                    hum: { $avg: "$hum" },
                 }
             },
             {
                 $project: {
-                    miCcrobialCount: { $round: ["$miCcrobialCount", 2] },
-                    particleConcentration: { $round: ["$particleConcentration", 2] },
-                    chemicalPollutant: { $round: ["$chemicalPollutant", 2] },
+                    pm10: { $round: ["$pm10", 2] },
+                    pm25: { $round: ["$pm25", 2] },
+                    O3: { $round: ["$O3", 2] },
+                    temp: { $round: ["$temp", 2] },
+                    hum: { $round: ["$hum", 2] },
                 }
             },
             { $sort: { _id: 1 } }