update

controller/productTracController.js

@@ -207,8 +207,8 @@ async function getJiankong(req, res, next) {
         //查询一下土壤采集数据
         if (traccode.agrOnOff) {
             // 气象 土壤
-            let ws = await DB.CollectWS.findOne({});
-            let smc = await DB.CollectSMC.findOne();
+            let ws = await DB.CollectWS.findOne({}).sort({time:-1});
+            let smc = await DB.CollectSMC.findOne().sort({time:-1});
             traccode.ws = ws;
             traccode.smc = smc;
             //