diff --git a/services/devicemanagerservice/src/authdemo/hichain_adapter.cpp b/services/devicemanagerservice/src/authdemo/hichain_adapter.cpp
index 65248e9b2ffc876b4528703c98db994eeab902ce..ebf5e1dbaa0a26ded86b031cfad35f5e3ab66352 100644
--- a/services/devicemanagerservice/src/authdemo/hichain_adapter.cpp
+++ b/services/devicemanagerservice/src/authdemo/hichain_adapter.cpp
@@ -29,12 +29,9 @@
 namespace OHOS {
 namespace DistributedHardware {
 namespace {
-// PIN_CODE一般为随机6位数字字符串, 例如;
-const std::string PIN_CODE = "123456";
-
-// PORT为server端的监听端口号，随机端口范围一般为1024~65534, 例如
-const int32_t PORT = 10001;
-
+// demo solution, may has security issues, later will be replaced by a formal plan
+const std::string PIN_CODE = "";
+const int32_t PORT = -1;
 
 const std::string DEVICE_MANAGER_APP = "ohos.distributedhardware.devicemanager";
 const std::string DEVICE_MANAGER_GROUPNAME = "DMPeerToPeerGroup";