diff --git a/gradle.properties b/gradle.properties
index 3857fe8..1fbb5c4 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -5,7 +5,7 @@ MORNY_ARCHIVE_NAME = morny-coeur
 MORNY_CODE_STORE = https://github.com/Eyre-S/Coeur-Morny-Cono
 MORNY_COMMIT_PATH = https://github.com/Eyre-S/Coeur-Morny-Cono/commit/%s
 
-VERSION = 1.2.2-beta1
+VERSION = 1.2.2-beta2
 
 USE_DELTA = false
 VERSION_DELTA =
diff --git a/src/main/scala/cc/sukazyo/cono/morny/util/tgapi/InputCommand.scala b/src/main/scala/cc/sukazyo/cono/morny/util/tgapi/InputCommand.scala
index 209415a..e9f25c7 100644
--- a/src/main/scala/cc/sukazyo/cono/morny/util/tgapi/InputCommand.scala
+++ b/src/main/scala/cc/sukazyo/cono/morny/util/tgapi/InputCommand.scala
@@ -16,11 +16,11 @@ class InputCommand private (
 object InputCommand {
 	
 	def apply (input: Array[String]): InputCommand = {
-		val _ex = input(0) split ("@", 2)
+		val _ex = if input.nonEmpty then input(0) split ("@", 2) else Array.empty[String]
 		val _args = input drop 1
 		new InputCommand(
-			if _ex.length == 1 then null else _ex(1),
-			_ex(0),
+			if _ex.length > 1 then _ex(1) else null,
+			if _ex.nonEmpty then _ex(0) else "",
 			_args
 		)
 	}
diff --git a/src/test/scala/cc/sukazyo/cono/morny/test/utils/UniversalCommandTest.scala b/src/test/scala/cc/sukazyo/cono/morny/test/utils/UniversalCommandTest.scala
index abf5010..7244ae8 100644
--- a/src/test/scala/cc/sukazyo/cono/morny/test/utils/UniversalCommandTest.scala
+++ b/src/test/scala/cc/sukazyo/cono/morny/test/utils/UniversalCommandTest.scala
@@ -88,7 +88,6 @@ class UniversalCommandTest extends MornyTests with Matchers with TableDrivenProp
 				Lmd("something error!\\") shouldEqual Array("something", "error!\\")
 		}
 		
-		
 		"with multi-line input" - {
 			whileStrict("should throws IllegalArgumentException") in:
 				an [IllegalArgumentException] should be thrownBy Cmd("something will\nhave a new line")
@@ -96,6 +95,10 @@ class UniversalCommandTest extends MornyTests with Matchers with TableDrivenProp
 				Lmd("something will\nhave a new line") shouldEqual Array("something", "will\nhave", "a", "new", "line")
 		}
 		
+		"empty string input should return empty array" in {
+			Cmd("") shouldEqual Array.empty[String]
+			Lmd("") shouldEqual Array.empty[String]
+		}
 		
 		val example_special_character = Table(
 			"char",
diff --git a/src/test/scala/cc/sukazyo/cono/morny/test/utils/tgapi/InputCommandTest.scala b/src/test/scala/cc/sukazyo/cono/morny/test/utils/tgapi/InputCommandTest.scala
index 0b9149d..105adb7 100644
--- a/src/test/scala/cc/sukazyo/cono/morny/test/utils/tgapi/InputCommandTest.scala
+++ b/src/test/scala/cc/sukazyo/cono/morny/test/utils/tgapi/InputCommandTest.scala
@@ -16,35 +16,41 @@ class InputCommandTest extends MornyTests with TableDrivenPropertyChecks {
 				"args"
 			),
 			(
-				"/exit@sukazyo_deving_bot",
-				"/exit",
+				"exit@sukazyo_deving_bot",
+				"exit",
 				"sukazyo_deving_bot",
 				Array.empty[String]
 			),
 			(
-				"/test@a@b",
-				"/test",
+				"test@a@b",
+				"test",
 				"a@b",
 				Array.empty[String]
 			),
 			(
-				"/test-data@random#user",
-				"/test-data",
+				"test-data@random#user",
+				"test-data",
 				"random#user",
 				Array.empty[String]
 			),
 			(
-				"/info@sukazyo_deving_bot stickers.ID_403",
-				"/info",
+				"info@sukazyo_deving_bot stickers.ID_403",
+				"info",
 				"sukazyo_deving_bot",
 				Array("stickers.ID_403")
 			),
 			(
-				"/info some extra info",
-				"/info",
+				"info some extra info",
+				"info",
 				null,
 				Array("some", "extra", "info")
 			),
+			(
+				"",
+				"",
+				null,
+				Array.empty[String]
+			)
 		)
 		
 		examples forEvery { (source, command, target, args) =>