diff --git a/internal/executor/contracts/governance.go b/internal/executor/contracts/governance.go
index bb70f2d..376896d 100644
--- a/internal/executor/contracts/governance.go
+++ b/internal/executor/contracts/governance.go
@@ -12,7 +12,6 @@ import (
 	"github.com/meshplus/bitxhub-model/constant"
 	"github.com/meshplus/bitxhub-model/pb"
 	"github.com/meshplus/bitxhub/internal/repo"
-	"github.com/tidwall/gjson"
 )
 
 type Governance struct {
@@ -126,8 +125,7 @@ func (g *Governance) SubmitProposal(from, eventTyp, des, typ, objId string, extr
 	}
 
 	// 3. lock low-priority proposals
-	chainId := gjson.Get(string(extra), "id").String()
-	lockPId, err := g.lockLowPriorityProposal(chainId, eventTyp)
+	lockPId, err := g.lockLowPriorityProposal(objId, eventTyp)
 	if err != nil {
 		return boltvm.Error("close low priority proposals error:" + err.Error())
 	}
diff --git a/internal/executor/contracts/governance_test.go b/internal/executor/contracts/governance_test.go
index d21712f..ea1916f 100644
--- a/internal/executor/contracts/governance_test.go
+++ b/internal/executor/contracts/governance_test.go
@@ -562,9 +562,9 @@ func TestGovernance_SubmitProposal_LockLowPriorityProposal(t *testing.T) {
 	mockStub.EXPECT().AddObject(gomock.Any(), gomock.Any()).AnyTimes()
 	mockStub.EXPECT().CurrentCaller().Return("").AnyTimes()
 
-	res := g.SubmitProposal(idExistent, string(governance.EventUpdate), "des", string(AppchainMgr), "objId", chainData)
+	res := g.SubmitProposal(idExistent, string(governance.EventUpdate), "des", string(AppchainMgr), appchainMethod, chainData)
 	assert.False(t, res.Ok, string(res.Result))
-	res = g.SubmitProposal(idExistent, string(governance.EventLogout), "des", string(AppchainMgr), "objId", chainData)
+	res = g.SubmitProposal(idExistent, string(governance.EventLogout), "des", string(AppchainMgr), appchainMethod, chainData)
 	assert.True(t, res.Ok, string(res.Result))
 }