diff --git a/server/plugins/asanServiceSerialChecker.js b/server/plugins/asanServiceSerialChecker.js
index 9a5a65e..58eb12d 100644
--- a/server/plugins/asanServiceSerialChecker.js
+++ b/server/plugins/asanServiceSerialChecker.js
@@ -14,10 +14,12 @@ const serialChecker = async (serial, type = 'guaranteeSerial', g = 1) => {
 
     try {
       const serialFiles = await fs.readdirSync(exelsPath);
-
+       if((serialFiles?.length) <= 1){
+          rej("این کد در سامانه موجود نیست")
+        }
       serialFiles.forEach(async(file, i)=>{
         const exelFile = await readXlsxFile(`${exelsPath}/${file}`);
-
+        
         for (const row of exelFile) {
           for (const col of row) {
             if (col == lowerSerial) {
@@ -33,7 +35,7 @@ const serialChecker = async (serial, type = 'guaranteeSerial', g = 1) => {
      
     } catch (e) {
       console.log(e);
-      rej(new Error(e));
+      rej(e);
     }
   });
 };