replying message modify

@@ -86,25 +86,25 @@ const option_maker = (api_connector, event) => {
 				if (detect_body.langCode == 'ko') {
 					target = 'en';
 					switch (event.message.text.slice(-3)) {
-						case ':cn':
+						case '.cn':
 							target = 'zh-CN';
 							break;
-						case ':tw':
+						case '.tw':
 							target = 'zh-TW';
 							break;
-						case ':es':
+						case '.es':
 							target = 'es';
 							break;
-						case ':fr':
+						case '.fr':
 							target = 'fr';
 							break;
-						case ':vi':
+						case '.vi':
 							target = 'vi';
 							break;
-						case ':th':
+						case '.th':
 							target = 'th';
 							break;
-						case ':id':
+						case '.id':
 							target = 'id';
 							break;
 						default:
@@ -116,7 +116,7 @@ const option_maker = (api_connector, event) => {
 
 				var options = {
 					url:  translate_api_url,
-					form: {'source':detect_body.langCode, 'target': target, 'text':event.message.text},
+					form: {'source':detect_body.langCode, 'target': target, 'text':event.message.text.slice(0,-3)},
 					headers: {'X-Naver-Client-Id': client_id, 'X-Naver-Client-Secret': client_secret}
 				};
 				resolve(options);