fix. db update and modify error fix

@@ -2,16 +2,16 @@
 const Hub = require('../../models/hub');
 const Mqtt = require('../../lib/MqttModule');
 
-exports.hubRegister = async (ctx) => {
+exports.hubConnect = async (ctx) => {
     const { host, port, hubId, topic } = ctx.request.body;
 
-    const hub = new Hub({
+    const hub = {
         hubId,
         hosting : {
             host,
             port
         }
-    });
+    };
 
     await Hub.findOneAndUpdate({ 
         hubId 
@@ -24,4 +24,8 @@ exports.hubRegister = async (ctx) => {
 
     ctx.body = 'host :' + host;
     ctx.status = 200;
+}
+
+exports.hubDisconnect = async(ctx) => {
+
 }
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@@ -38,22 +38,22 @@ const getItemsList = async(queryUrl) => {
 }
 
 //itemArray에 있는 모든 data를 MongoDB의 SMB collections에 저장함
-const exportJsonData = async(itemList) => {
+const exportJsonData = (itemList) => {
     itemList.forEach(item => {
-        const medicine = new Medicine({
-            medicineId : item.itemSeq,
+        const medicineId = item.itemSeq;
+        const medicineInfo = {
             name : item.itemName,
             company : item.entpName,
             target : item.efcyQesitm,
             dosage : item.useMethodQesitm,
             warn : item.atpnWarnQesitm + '\n\n' + item.atpnQesitm,
             antiEffect : item.seQesitm
-        })
+        };
         
         Medicine.findOneAndUpdate({ 
-            medicineId : medicine.medicineId 
-        }, medicine, {
+            medicineId
+        }, medicineInfo, {
             upsert : true
-        })
+        }).exec();
     })
 }
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