diff --git a/novalon-manage-web/e2e/role-based-tests/shared/role-auth-manager.ts b/novalon-manage-web/e2e/role-based-tests/shared/role-auth-manager.ts
index 34647aa..bd789c4 100644
--- a/novalon-manage-web/e2e/role-based-tests/shared/role-auth-manager.ts
+++ b/novalon-manage-web/e2e/role-based-tests/shared/role-auth-manager.ts
@@ -39,7 +39,7 @@ export class RoleAuthManager {
       method.toUpperCase(),
       path,
       '',
-      body || '',
+      '',
       timestamp.toString(),
       nonce
     ].join('\n');
diff --git a/novalon-manage-web/src/utils/signature.ts b/novalon-manage-web/src/utils/signature.ts
index 599c6dc..e98d2eb 100644
--- a/novalon-manage-web/src/utils/signature.ts
+++ b/novalon-manage-web/src/utils/signature.ts
@@ -16,7 +16,7 @@ export function generateSignature(
   timestamp: number,
   nonce: string
 ): string {
-  const stringToSign = buildStringToSign(method, path, query, body, timestamp, nonce)
+  const stringToSign = buildStringToSign(method, path, query, '', timestamp, nonce)
   
   const signature = CryptoJS.HmacSHA256(stringToSign, SIGNATURE_SECRET)
   const signatureBase64 = CryptoJS.enc.Base64.stringify(signature)