diff --git a/BACKEND/app/services/line_connection.ts b/BACKEND/app/services/line_connection.ts
index 8fbf735..2e64816 100644
--- a/BACKEND/app/services/line_connection.ts
+++ b/BACKEND/app/services/line_connection.ts
@@ -226,11 +226,11 @@ export default class LineConnection {
           data: message,
           ports: this.config.ports,
         })
-        if (!this.config.inventory) {
-          setTimeout(() => {
+        setTimeout(() => {
+          if (!this.config.inventory) {
             this.getInventory()
-          }, 5000)
-        }
+          }
+        }, 5000)
         appendLog(
           cleanData(message),
           this.config.stationId,
@@ -359,6 +359,7 @@ export default class LineConnection {
       `Run scenario "${script?.title}" to line ${this.config.lineNumber} of ${this.config.stationName}`
     )
     this.config.runningScenario = script?.title
+    this.config.data = []
     this.socketIO.emit('running_scenario', {
       stationId: this.config.stationId,
       lineId: this.config.id,
@@ -442,6 +443,8 @@ export default class LineConnection {
             }, 5000)
             return
           } else clearTimeout(timeoutTimer)
+          this.outputScenario += `\n---end-scenarios---${now}---${userName}---\n`
+          this.outputBuffer = ''
           this.config.runningScenario = ''
           this.socketIO.emit('running_scenario', {
             stationId: this.config.stationId,
@@ -459,7 +462,9 @@ export default class LineConnection {
                   ['show inventory', 'sh inventory', 'show inv', 'sh inv'].includes(item.command)
                 ) {
                   const dataInventory = JSON.parse(item.textfsm)[0]
-                  this.config.inventory = dataInventory
+                  this.config.inventory = this.config.inventory
+                    ? { ...this.config.inventory, ...dataInventory }
+                    : dataInventory
                   pid = dataInventory?.pid || ''
                   this.addHistory(this.config.stationId, this.config.id, {
                     id: this.config.id,
@@ -531,8 +536,8 @@ export default class LineConnection {
           } catch (error) {
             console.log(error)
           }
-          this.outputBuffer = ''
-          this.outputScenario += `\n---end-scenarios---${now}---${userName}---\n`
+          // this.outputBuffer = ''
+          // this.outputScenario += `\n---end-scenarios---${now}---${userName}---\n`
           appendLog(
             `\n---end-scenarios---${now}---${userName}---\n`,
             this.config.stationId,
@@ -651,8 +656,6 @@ export default class LineConnection {
     const start = Date.now()
     // console.log('[EXPECT]', expect, timeout)
     while (Date.now() - start < timeout) {
-      console.log(expect)
-      console.log(this.outputBuffer)
       if (this.outputBuffer.includes(expect)) {
         this.outputBuffer = ''
         return true
@@ -673,12 +676,6 @@ export default class LineConnection {
               ? { ...this.config.inventory, ...dataInventory }
               : dataInventory
           }
-          if (['show version', 'sh version', 'show ver', 'sh ver'].includes(item.command)) {
-            const dataVer = JSON.parse(item.textfsm)[0]
-            this.config.inventory = this.config.inventory
-              ? { ...this.config.inventory, ...dataVer }
-              : dataVer
-          }
           item.textfsm = JSON.parse(item.textfsm)
         }
       })