diff --git a/internal/demo/register/onboarding_process.go b/internal/demo/register/onboarding_process.go
index 627b68dac..c5fa55634 100644
--- a/internal/demo/register/onboarding_process.go
+++ b/internal/demo/register/onboarding_process.go
@@ -14,7 +14,6 @@ import (
 	commonPb "Open_IM/pkg/proto/sdk_ws"
 	"Open_IM/pkg/utils"
 	"context"
-	"encoding/json"
 	"errors"
 	"fmt"
 	"github.com/golang/protobuf/proto"