diff --git a/adapter/uhdf2/host/devhost.c b/adapter/uhdf2/host/devhost.c
index d81e3fb23cdcb3e199b18b5de9bab5a903a87d6f..a3c06b05a7c4f0889236bab0d1dbe9ecad0e5dc3 100644
--- a/adapter/uhdf2/host/devhost.c
+++ b/adapter/uhdf2/host/devhost.c
@@ -161,7 +161,6 @@ int main(int argc, char **argv)
         looper->Start(looper);
     }
 
-    DevHostServiceFreeInstance(instance);
     HdfPowerManagerExit();
     DevHostDumpDeInit();
     HDF_LOGI("hdf device host %{public}s %{public}d exit", hostName, hostId);