diff --git a/src/services/myService.js b/src/services/myService.js
index b7b7319be1704a1f76fd9ce409a6aecbeb34f828..236638df17cf2f314d4d16f40b652a7a227b81b5 100644
--- a/src/services/myService.js
+++ b/src/services/myService.js
@@ -74,10 +74,9 @@ const myService = {
     return { code };
   },
 
-  async getCombinationId(req, res) {
-    const { code } = req.params;
-    const transactionIdKey = `mypc:code:${code}:transectionId`;
-
+  async getCombinationId(code) {
+    const transactionIdKey = `mypc:code:${code}:transaction_id`;
+    
     try {
       const transactionId = await Redis.get(transactionIdKey);
       if (!transactionId) {