diff --git a/server/plugins/asanServiceSerialChecker.js b/server/plugins/asanServiceSerialChecker.js
index a7b511b..9a5a65e 100644
--- a/server/plugins/asanServiceSerialChecker.js
+++ b/server/plugins/asanServiceSerialChecker.js
@@ -27,7 +27,7 @@ const serialChecker = async (serial, type = 'guaranteeSerial', g = 1) => {
           }
         }
         if((serialFiles.length - 1) <= i){
-          rej(undefined)
+          rej("این کد در سامانه موجود نیست")
         }
       })