diff --git a/web-server/app/middleware/parmsDecode.ts b/web-server/app/middleware/parmsDecode.ts
index 78c64ac63..371910473 100644
--- a/web-server/app/middleware/parmsDecode.ts
+++ b/web-server/app/middleware/parmsDecode.ts
@@ -25,7 +25,6 @@ module.exports = options => {
     if (!reqBody.data) return;
 
     let msgEncrypt = new MsgEncrypt({ encodeK: reqHeader['k'], encodeV: reqHeader['v'] });
-    const { aesKey, aesIV } = msgEncrypt.getKv();
 
     console.log(`encode str ${msgEncrypt.encryptMsg(reqBody)}`);
 
@@ -52,10 +51,10 @@ module.exports = options => {
     console.log('return value:', JSON.stringify(resBody));
     let resBodyWithEncrypt = msgEncrypt.encryptMsg(resBody);
     if (resBodyWithEncrypt) {
-      ctx.body = { result: resBodyWithEncrypt, aesKey, aesIV };
+      ctx.body = { result: resBodyWithEncrypt };
       ctx.service.utils.log('INFO', `[${ctx.request.url}] [${ctx.logcode}] res: ${JSON.stringify(resBody)}`)
     } else {
-      ctx.body = { result: msgEncrypt.encryptMsg({ status: 3, data: 'internal err' }), aesKey, aesIV };
+      ctx.body = { result: msgEncrypt.encryptMsg({ status: 3, data: 'internal err' }) };
       ctx.service.utils.log('ERROR', `[${ctx.request.url}] [${ctx.logcode}] res: ${resBody}`)
     }
   };