diff --git a/pkg/common/convert/user.go b/pkg/common/convert/user.go
index b4a769ee8..6d43595bc 100644
--- a/pkg/common/convert/user.go
+++ b/pkg/common/convert/user.go
@@ -64,7 +64,7 @@ func UserPb2DBMap(user *sdkws.UserInfo) map[string]any {
 		"global_recv_msg_opt": user.GlobalRecvMsgOpt,
 	}
 	for key, value := range fields {
-		if v, ok := value.(string); ok {
+		if v, ok := value.(string); ok && v != "" {
 			val[key] = v
 		} else if v, ok := value.(int32); ok && v != 0 {
 			val[key] = v