diff --git a/lib/oto/commands/util/slack.dart b/lib/oto/commands/util/slack.dart
index 51858d2..9d009e2 100644
--- a/lib/oto/commands/util/slack.dart
+++ b/lib/oto/commands/util/slack.dart
@@ -25,13 +25,24 @@ class Slack extends Command {
     } else if(data.message != null) {
       await sender.send(jsonEncode(data.message));
     } else if(data.messageJson != null) {
-      await sender.send(data.messageJson!);
+      await sender.send(getName2ID(data.messageJson!, data.idMap));
     } else {
       throw Exception('property or message field should not be null');
     }
 
     return simpleFuture;
   }
+
+  String getName2ID(String message, Map<String, String>? idMap) {
+    if(idMap == null) {
+      return message;
+    } else {
+      for(var entry in idMap.entries) {
+        message = message.replaceAll('@${entry.key}', '<@${entry.value}>');
+      }
+      return message;
+    }
+  }
 }
 
 class SlackBuild extends Command {
diff --git a/lib/oto/data/command_data.dart b/lib/oto/data/command_data.dart
index 51becae..1788d72 100644
--- a/lib/oto/data/command_data.dart
+++ b/lib/oto/data/command_data.dart
@@ -500,6 +500,7 @@ class DataSlackSender extends DataParam {
   late dynamic property; //oto 내부 생성된 object의 경우
   late Map<String, dynamic>? message; //yaml로 선언된 값
   late String? messageJson; //json값으로 선언된 값
+  late Map<String, String>? idMap;
 
   factory DataSlackSender.fromJson(Map<String, dynamic> json) =>
       _$DataSlackSenderFromJson(json);
diff --git a/lib/oto/data/command_data.g.dart b/lib/oto/data/command_data.g.dart
index 049995d..8a47ea0 100644
--- a/lib/oto/data/command_data.g.dart
+++ b/lib/oto/data/command_data.g.dart
@@ -868,7 +868,10 @@ DataSlackSender _$DataSlackSenderFromJson(Map<String, dynamic> json) =>
       ..token = json['token'] as String
       ..property = json['property']
       ..message = json['message'] as Map<String, dynamic>?
-      ..messageJson = json['messageJson'] as String?;
+      ..messageJson = json['messageJson'] as String?
+      ..idMap = (json['idMap'] as Map<String, dynamic>?)?.map(
+        (k, e) => MapEntry(k, e as String),
+      );
 
 Map<String, dynamic> _$DataSlackSenderToJson(DataSlackSender instance) =>
     <String, dynamic>{
@@ -881,6 +884,7 @@ Map<String, dynamic> _$DataSlackSenderToJson(DataSlackSender instance) =>
       'property': instance.property,
       'message': instance.message,
       'messageJson': instance.messageJson,
+      'idMap': instance.idMap,
     };
 
 DataSlackBuild _$DataSlackBuildFromJson(Map<String, dynamic> json) =>
@@ -896,6 +900,9 @@ DataSlackBuild _$DataSlackBuildFromJson(Map<String, dynamic> json) =>
       ..property = json['property']
       ..message = json['message'] as Map<String, dynamic>?
       ..messageJson = json['messageJson'] as String?
+      ..idMap = (json['idMap'] as Map<String, dynamic>?)?.map(
+        (k, e) => MapEntry(k, e as String),
+      )
       ..appName = json['appName'] as String
       ..type = $enumDecode(_$SlackBuildTypeEnumMap, json['type'])
       ..color = json['color'] as String
@@ -914,6 +921,7 @@ Map<String, dynamic> _$DataSlackBuildToJson(DataSlackBuild instance) =>
       'property': instance.property,
       'message': instance.message,
       'messageJson': instance.messageJson,
+      'idMap': instance.idMap,
       'appName': instance.appName,
       'type': _$SlackBuildTypeEnumMap[instance.type]!,
       'color': instance.color,