diff --git a/cr/state/keyframe_test.go b/cr/state/keyframe_test.go
index b84aaa672..b4b2b86ab 100644
--- a/cr/state/keyframe_test.go
+++ b/cr/state/keyframe_test.go
@@ -541,7 +541,7 @@ func randomProposalKeyframe() *ProposalKeyFrame {
 		for j := uint64(0); j < i; j++ {
 			reserverCustomIDs = append(reserverCustomIDs, randomString())
 		}
-		proposalKeyFrame.ReservedCustomIDLists = append(proposalKeyFrame.ReservedCustomIDLists, reserverCustomIDs)
+		proposalKeyFrame.ReservedCustomIDLists = append(proposalKeyFrame.ReservedCustomIDLists, reserverCustomIDs...)
 	}
 
 	var receivedCustomIDs []string
@@ -550,7 +550,7 @@ func randomProposalKeyframe() *ProposalKeyFrame {
 		for j := uint64(0); j < i; j++ {
 			receivedCustomIDs = append(receivedCustomIDs, randomString())
 		}
-		proposalKeyFrame.ReceivedCustomIDLists = append(proposalKeyFrame.ReceivedCustomIDLists, receivedCustomIDs)
+		proposalKeyFrame.ReceivedCustomIDLists = append(proposalKeyFrame.ReceivedCustomIDLists, receivedCustomIDs...)
 	}
 	return proposalKeyFrame
 }
diff --git a/go.mod b/go.mod
index 7d9cf5ab6..f2ed54dd3 100644
--- a/go.mod
+++ b/go.mod
@@ -13,7 +13,7 @@ require (
 	github.com/rs/cors v1.7.0
 	github.com/stretchr/testify v1.4.0
 	github.com/syndtr/goleveldb v1.0.0
-	github.com/tidwall/gjson v1.3.2
+	github.com/tidwall/gjson v1.8.1
 	github.com/urfave/cli v1.22.0
 	github.com/yuin/gopher-lua v0.0.0-20190514113301-1cd887cd7036
 	golang.org/x/crypto v0.0.0-20191227163750-53104e6ec876