diff --git a/chainbase/src/main/java/org/tron/core/service/MortgageService.java b/chainbase/src/main/java/org/tron/core/service/MortgageService.java
index b1fd279c2db..2ee1e3b2b92 100644
--- a/chainbase/src/main/java/org/tron/core/service/MortgageService.java
+++ b/chainbase/src/main/java/org/tron/core/service/MortgageService.java
@@ -214,6 +214,10 @@ private long computeReward(long beginCycle, long endCycle, AccountCapsule accoun
     }
     if (beginCycle < endCycle) {
       for (Pair<byte[], Long>  vote : srAddresses) {
+        if (beginCycle == 0) {
+       continue;
+    }
+        
         byte[] srAddress = vote.getKey();
         BigInteger beginVi = delegationStore.getWitnessVi(beginCycle - 1, srAddress);
         BigInteger endVi = delegationStore.getWitnessVi(endCycle - 1, srAddress);