diff --git a/contracts/CandidateHub.sol b/contracts/CandidateHub.sol
index 4cbc005a..b8ea5df5 100644
--- a/contracts/CandidateHub.sol
+++ b/contracts/CandidateHub.sol
@@ -307,7 +307,7 @@ contract CandidateHub is ICandidateHub, System, IParamSubscriber {
     );
     if (roundTag != c.commissionLastChangeRound) {
       c.commissionLastChangeRound = roundTag;
-      c.commissionLastRoundValue = commissionThousandths;
+      c.commissionLastRoundValue = c.commissionThousandths;
     }
     if (c.consensusAddr != consensusAddr) {
       require(consensusMap[consensusAddr] == 0, "the consensus already exists");
diff --git a/contracts/CandidateHub.template b/contracts/CandidateHub.template
index 3898aa42..196d190f 100644
--- a/contracts/CandidateHub.template
+++ b/contracts/CandidateHub.template
@@ -319,7 +319,7 @@ contract CandidateHub is ICandidateHub, System, IParamSubscriber {
     );
     if (roundTag != c.commissionLastChangeRound) {
       c.commissionLastChangeRound = roundTag;
-      c.commissionLastRoundValue = commissionThousandths;
+      c.commissionLastRoundValue = c.commissionThousandths;
     }
     if (c.consensusAddr != consensusAddr) {
       require(consensusMap[consensusAddr] == 0, "the consensus already exists");