diff --git a/services/devicemanagerservice/include/auth/hichain_connector.h b/services/devicemanagerservice/include/auth/hichain_connector.h
index b1cec9bd52605366febde82b4ceffbb64c446034..0bb50c2d3e581c3f24f0b496ad8c000208a89e6b 100644
--- a/services/devicemanagerservice/include/auth/hichain_connector.h
+++ b/services/devicemanagerservice/include/auth/hichain_connector.h
@@ -79,6 +79,9 @@ public:
     void OnGroupCreated(int64_t requestId, const std::string &returnData);
     void GetSyncGroupList(std::vector<GroupInfo> &groupList, std::vector<std::string> &syncGroupList);
     void OnMemberJoin(int64_t requestId, int32_t status);
+    int32_t GetGroupInfo(std::string queryParams, std::vector<GroupInfo> &groupList);
+    int32_t IsGroupCreated(std::string groupName, GroupInfo &groupInfo);
+
 private:
     std::string GetConnectPara(std::string deviceId, std::shared_ptr<MsgResponseAuth> msgResponseAuth);
     bool IsGroupInfoInvalid(GroupInfo &group);
diff --git a/services/devicemanagerservice/src/auth/hichain_connector.cpp b/services/devicemanagerservice/src/auth/hichain_connector.cpp
index 06c3716fed75e510367a4420f8640d9e644861dd..ca36a5db8bd92f5133e21e56990e5a5c6c715cd1 100644
--- a/services/devicemanagerservice/src/auth/hichain_connector.cpp
+++ b/services/devicemanagerservice/src/auth/hichain_connector.cpp
@@ -106,6 +106,11 @@ int32_t HichainConnector::CreateGroup(int64_t requestId, const std::string &grou
         return FAIL;
     }
 
+    GroupInfo groupInfo;
+    if (IsGroupCreated(groupName, groupInfo)) {
+        DeleteGroup(groupInfo.groupId);
+    }
+
     DMLOG(DM_LOG_INFO, "HichainConnector::CreateGroup requestId %lld", requestId);
     char localDeviceId[DEVICE_UUID_LENGTH] = {0};
     GetDevUdid(localDeviceId, DEVICE_UUID_LENGTH);
@@ -127,6 +132,61 @@ int32_t HichainConnector::CreateGroup(int64_t requestId, const std::string &grou
     return SUCCESS;
 }
 
+int32_t HichainConnector::IsGroupCreated(std::string groupName, GroupInfo &groupInfo)
+{
+    nlohmann::json jsonObj;
+    jsonObj[FIELD_GROUP_NAME] = groupName.c_str();
+    std::string queryParams = jsonObj.dump();
+
+    std::vector<GroupInfo> groupList;
+    if (GetGroupInfo(queryParams, groupList)) {
+        groupInfo = groupList[0];
+        return true;
+    }
+
+    return false;
+}
+
+int32_t HichainConnector::GetGroupInfo(std::string queryParams, std::vector<GroupInfo> &groupList)
+{
+    char *groupVec = nullptr;
+    uint32_t num = 0;
+
+    int32_t ret = deviceGroupManager_->getGroupInfo(DEVICE_MANAGER_APP.c_str(), queryParams.c_str(), &groupVec, &num);
+    if (ret != 0) {
+        DMLOG(DM_LOG_ERROR, "HichainConnector::GetGroupInfo faild , ret: %d.", ret);
+        return false;
+    }
+
+    if (groupVec == nullptr) {
+        DMLOG(DM_LOG_ERROR, "HichainConnector::GetGroupInfo faild , returnGroups is nullptr");
+        return false;
+    }
+
+    if (num == 0) {
+        DMLOG(DM_LOG_ERROR, "HichainConnector::GetGroupInfo group failed, groupNum is 0.");
+        return false;
+    }
+
+    DMLOG(DM_LOG_INFO, "HichainConnector::GetGroupInfo group(%s), groupNum(%d)", groupVec, num);
+    std::string relatedGroups = std::string(groupVec);
+    deviceGroupManager_->destroyInfo(&groupVec);
+    nlohmann::json jsonObject = nlohmann::json::parse(relatedGroups);
+    if (jsonObject.is_discarded()) {
+        DMLOG(DM_LOG_ERROR, "returnGroups parse error");
+        return false;
+    }
+
+    std::vector<GroupInfo> groupInfos = jsonObject.get<std::vector<GroupInfo>>();
+    if (groupInfos.size() == 0) {
+        DMLOG(DM_LOG_ERROR, "HichainConnector::GetGroupInfo group failed, groupInfos is empty.");
+        return false;
+    }
+
+    groupList = groupInfos;
+    return true;
+}
+
 void HichainConnector::RegisterConnectorCallback(std::shared_ptr<HichainConnectorCallback> callback)
 {
     hichainConnectorCallback_ = callback;