diff --git a/services/devicemanagerservice/src/authentication/dm_auth_manager.cpp b/services/devicemanagerservice/src/authentication/dm_auth_manager.cpp
index 86d31b3e77b26b988401fe8d8474982760a9e820..daf0db5c5488dca948180404584595755f695f01 100644
--- a/services/devicemanagerservice/src/authentication/dm_auth_manager.cpp
+++ b/services/devicemanagerservice/src/authentication/dm_auth_manager.cpp
@@ -677,8 +677,9 @@ std::string DmAuthManager::GenerateGroupName()
     char localDeviceId[DEVICE_UUID_LENGTH] = {0};
     GetDevUdid(localDeviceId, DEVICE_UUID_LENGTH);
     std::string sLocalDeviceId = localDeviceId;
-    std::string groupName = authResponseContext_->targetPkgName + authResponseContext_->hostPkgName +
-                            sLocalDeviceId.substr(0, sLocalDeviceId.size() / DEVICE_ID_HALF);
+    int32_t interceptLength = sLocalDeviceId.size() / DEVICE_ID_HALF;
+    std::string groupName = authResponseContext_->targetPkgName + sLocalDeviceId.substr(0, interceptLength)
+                            + authResponseContext_->localDeviceId.substr(0, interceptLength);
     return groupName;
 }