diff --git a/tasks/twitch/twitch_task1/task_twitch.go b/tasks/twitch/twitch_task1/task_twitch.go
index 57e8618..c0ab21a 100644
--- a/tasks/twitch/twitch_task1/task_twitch.go
+++ b/tasks/twitch/twitch_task1/task_twitch.go
@@ -117,10 +117,4 @@ func Execute() {
 		ps.Wait(time.Minute * 5)
 	}
 
-	func merge(nums1 []int, m int, nums2 []int, n int)  {
-		for i := 0 ; i < n ; i++ {
-			nums1[m+i] = n[i]
-		}
-		sort
-	}
 }
diff --git a/utils.go b/utils.go
index aa14bbe..edbd926 100644
--- a/utils.go
+++ b/utils.go
@@ -109,7 +109,7 @@ func (adriver *AutoCloseDriver) Close() {
 	}
 	// log.Println(string(data))
 
-	killshell := fmt.Sprintf("pkill -P %s", data)
+	killshell := fmt.Sprintf("pkill -9 -P %s", data)
 	// log.Println(killshell)
 	// pkill -f \"port=%d\"
 	// log.Printf(fmt.Sprintf("kill -9 $(lsof -t -i:%d)", port))