diff --git a/paylibs/src/main/java/com/utsmyanmar/paylibs/transactions/TransactionsOperation.java b/paylibs/src/main/java/com/utsmyanmar/paylibs/transactions/TransactionsOperation.java
index 35e9f04..2734d0e 100644
--- a/paylibs/src/main/java/com/utsmyanmar/paylibs/transactions/TransactionsOperation.java
+++ b/paylibs/src/main/java/com/utsmyanmar/paylibs/transactions/TransactionsOperation.java
@@ -295,7 +295,7 @@ public class TransactionsOperation {
 
         if(payDetail.getAccountType().equals(MPU)){
 //            payDetail.setIsFreeSign(true);
-            payDetail.setTransCVM(TransCVM.NO_CVM);
+            payDetail.setTransCVM(TransCVM.SIGNATURE);
         }
         return tradeData;
     }