diff --git a/src/main/scala/cc/sukazyo/cono/morny/bot/command/MornyManagers.scala b/src/main/scala/cc/sukazyo/cono/morny/bot/command/MornyManagers.scala
index aea4127..36713ea 100644
--- a/src/main/scala/cc/sukazyo/cono/morny/bot/command/MornyManagers.scala
+++ b/src/main/scala/cc/sukazyo/cono/morny/bot/command/MornyManagers.scala
@@ -1,4 +1,5 @@
 package cc.sukazyo.cono.morny.bot.command
+
 import cc.sukazyo.cono.morny.bot.command.ICommandAlias.HiddenAlias
 import cc.sukazyo.cono.morny.MornyCoeur
 import cc.sukazyo.cono.morny.data.TelegramStickers
@@ -7,13 +8,25 @@ import cc.sukazyo.cono.morny.daemon.MornyReport
 import cc.sukazyo.cono.morny.util.tgapi.InputCommand
 import cc.sukazyo.cono.morny.util.tgapi.formatting.TelegramFormatter.*
 import cc.sukazyo.cono.morny.util.tgapi.TelegramExtensions.Bot.exec
-import com.pengrad.telegrambot.model.Update
+import com.pengrad.telegrambot.model.{Chat, Update}
 import com.pengrad.telegrambot.request.SendSticker
 
 import scala.language.postfixOps
 
 class MornyManagers (using coeur: MornyCoeur) {
 	
+	/** Check if the command is directly targeted to Morny.
+	  * 
+	  * If and only if the command is in private chat, or the command is in group chat AND the command target is explicitly
+	  * set to Morny's username, then the command is targeted to Morny.
+	  * 
+	  * This aims to reduce the mis-trigger on some commands that are easily collisions to other bots and are important.
+	  */
+	def isMornyTargeted (event: Update, command: InputCommand): Boolean =
+		if event.message.chat.`type` != Chat.Type.Private && command.target != coeur.username then false
+		else if command.target != null && command.target != coeur.username then false
+		else true
+	
 	object Exit extends ITelegramCommand {
 		
 		override val name: String = "exit"
@@ -23,6 +36,10 @@ class MornyManagers (using coeur: MornyCoeur) {
 		
 		override def execute (using command: InputCommand, event: Update): Unit = {
 			
+			if !isMornyTargeted(event, command) then
+				logger debug "seems command does not targeted to morny, skipped"
+				return
+			
 			val user = event.message.from
 			
 			if (coeur.trusted isTrusted user.id) {
@@ -58,6 +75,10 @@ class MornyManagers (using coeur: MornyCoeur) {
 		
 		override def execute (using command: InputCommand, event: Update): Unit = {
 			
+			if !isMornyTargeted(event, command) then
+				logger debug "seems command does not targeted to morny, skipped"
+				return
+			
 			val user = event.message.from
 			
 			if (coeur.trusted isTrusted user.id) {
diff --git a/src/main/scala/cc/sukazyo/cono/morny/bot/event/MornyOnInlineQuery.scala b/src/main/scala/cc/sukazyo/cono/morny/bot/event/MornyOnInlineQuery.scala
index c785528..e8f4069 100644
--- a/src/main/scala/cc/sukazyo/cono/morny/bot/event/MornyOnInlineQuery.scala
+++ b/src/main/scala/cc/sukazyo/cono/morny/bot/event/MornyOnInlineQuery.scala
@@ -6,7 +6,6 @@ import cc.sukazyo.cono.morny.bot.query.{InlineQueryUnit, MornyQueries}
 import cc.sukazyo.cono.morny.util.tgapi.TelegramExtensions.Bot.exec
 import cc.sukazyo.cono.morny.Log.logger
 import com.google.gson.Gson
-import com.pengrad.telegrambot.model.Update
 import com.pengrad.telegrambot.model.request.InlineQueryResult
 import com.pengrad.telegrambot.request.AnswerInlineQuery
 
@@ -32,8 +31,7 @@ class MornyOnInlineQuery (using queryManager: MornyQueries) (using coeur: MornyC
 		
 		if (results isEmpty) return;
 		
-		logger debug resultAnswers.map(Gson().toJson(_)).mkString("\n")
-		
+		logger trace "Query answers:\n" + resultAnswers.map("  " + Gson().toJson(_)).mkString("\n")
 		coeur.account exec AnswerInlineQuery(
 			update.inlineQuery.id, resultAnswers toArray:_*
 		).cacheTime(cacheTime).isPersonal(isPersonal)
diff --git a/src/main/scala/cc/sukazyo/cono/morny/bot/query/InlineQueryUnit.scala b/src/main/scala/cc/sukazyo/cono/morny/bot/query/InlineQueryUnit.scala
index 911a5ae..b15f4b6 100644
--- a/src/main/scala/cc/sukazyo/cono/morny/bot/query/InlineQueryUnit.scala
+++ b/src/main/scala/cc/sukazyo/cono/morny/bot/query/InlineQueryUnit.scala
@@ -6,7 +6,7 @@ import com.pengrad.telegrambot.model.request.InlineQueryResult
 object InlineQueryUnit {
 	
 	object defaults:
-		val CACHE_TIME = 1
+		val CACHE_TIME = 300
 		val IS_PERSONAL = false
 	
 }