diff --git a/internal/api/auth/auth.go b/internal/api/auth/auth.go
index 813ff34de..4b218f263 100644
--- a/internal/api/auth/auth.go
+++ b/internal/api/auth/auth.go
@@ -28,7 +28,7 @@ func UserRegister(c *gin.Context) {
 		return
 	}
 	req := &rpc.UserRegisterReq{UserInfo: &open_im_sdk.UserInfo{}}
-	utils.CopyStructFields(*req.UserInfo, params)
+	utils.CopyStructFields(req.UserInfo, &params)
 	//copier.Copy(req.UserInfo, &params)
 	req.OperationID = params.OperationID
 	log.NewInfo(req.OperationID, "UserRegister args ", req.String())
diff --git a/pkg/utils/utils.go b/pkg/utils/utils.go
index 3d4a595fe..d5dc0254a 100644
--- a/pkg/utils/utils.go
+++ b/pkg/utils/utils.go
@@ -8,7 +8,7 @@ import (
 
 // copy a by b  b->a
 func CopyStructFields(a interface{}, b interface{}, fields ...string) (err error) {
-	return copier.Copy(&a, &b)
+	return copier.Copy(a, b)
 
 	at := reflect.TypeOf(a)
 	av := reflect.ValueOf(a)