diff --git a/src/main/scala/cc/sukazyo/cono/morny/bot/command/Nbnhhsh.scala b/src/main/scala/cc/sukazyo/cono/morny/bot/command/Nbnhhsh.scala
index 4c0e903..ea95cbe 100644
--- a/src/main/scala/cc/sukazyo/cono/morny/bot/command/Nbnhhsh.scala
+++ b/src/main/scala/cc/sukazyo/cono/morny/bot/command/Nbnhhsh.scala
@@ -45,26 +45,26 @@ class Nbnhhsh (using coeur: MornyCoeur) extends ITelegramCommand {
 			val message = StringBuilder(NBNHHSH_RESULT_HEAD_HTML)
 			
 			import cc.sukazyo.cono.morny.Log.logger
-			logger debug s"**xx len=${queryResp.words.length}"
+			logger trace s"**nbnhhsh got len=${queryResp.words.length}"
 			for (_word <- queryResp.words) {
-				logger debug "**exec"
+				logger trace s"**start for ${_word.name}"
 				val _use_trans = (_word.trans ne null) && (_word.trans nonEmpty)
 				val _use_inputting = (_word.inputting ne null) && (_word.inputting nonEmpty)
 				if (_use_trans || _use_inputting)
 					message ++= s"\n\n<b>[[ ${h(_word.name)} ]]</b>"
-					logger debug s"**used [${_word.name}]"
+					logger trace s"**used [${_word.name}]"
 					if (_use_trans) for (_trans <- _word.trans)
 						message ++= s"\n* <i>${h(_trans)}</i>"
-						logger debug s"**used [${_word.name}] used `${_trans}``"
+						logger trace s"**used [${_word.name}] used `${_trans}``"
 					if (_use_inputting)
-						logger debug s"**used [${_word.name}] inputting"
+						logger trace s"**used [${_word.name}] inputting"
 						if (_use_trans)
 							message += '\n'
 						message ++= " maybe:"
 						for (_inputting <- _word.inputting)
-							logger debug s"**used [${_word.name}] used-i ${_inputting}"
+							logger trace s"**used [${_word.name}] used-i ${_inputting}"
 							message ++= s"\n` <i>${h(_inputting)}</i>"
-				logger debug s"**exec as ${_word.name}"
+				logger trace s"**done"
 			}
 			
 			coeur.account exec SendMessage(
diff --git a/src/main/scala/cc/sukazyo/cono/morny/data/NbnhhshQuery.scala b/src/main/scala/cc/sukazyo/cono/morny/data/NbnhhshQuery.scala
index c27bfd5..4322739 100644
--- a/src/main/scala/cc/sukazyo/cono/morny/data/NbnhhshQuery.scala
+++ b/src/main/scala/cc/sukazyo/cono/morny/data/NbnhhshQuery.scala
@@ -7,11 +7,13 @@ import sttp.model.MediaType
 
 object NbnhhshQuery {
 	
-	case class Word (name: String, trans: Array[String], inputting: Array[String])
+	case class Word (
+		name: String,
+		trans: Array[String] = Array.empty,
+		inputting: Array[String] = Array.empty
+	)
 	case class GuessResult (words: Array[Word])
 	
-	private case class GuessRequest (text: String)
-	
 	private val API_URL = uri"https://lab.magiconch.com/api/nbnhhsh/"
 	private val API_GUESS_METHOD = uri"$API_URL/guess/"
 	
@@ -19,12 +21,13 @@ object NbnhhshQuery {
 	
 	@throws[HttpError[_]|SttpClientException]
 	def sendGuess (text: String): GuessResult = {
+		case class GuessRequest (text: String)
 		val http = basicRequest
 			.body(Gson().toJson(GuessRequest(text))).contentType(MediaType.ApplicationJson)
 			.post(API_GUESS_METHOD)
 			.response(asString.getRight)
 			.send(httpClient)
-		Gson().fromJson(s"{ 'words': ${http.body} }", classOf[GuessResult])
+		GuessResult(Gson().fromJson(http.body, classOf[Array[Word]]))
 	}
 	
 }