diff --git a/adapter/uhdf2/host/devhost.c b/adapter/uhdf2/host/devhost.c
index f5bf2311d4b88c22b471575206610cb17ba1811d..3b2712840c7fcad1082b6edf9442ba90c8e56578 100644
--- a/adapter/uhdf2/host/devhost.c
+++ b/adapter/uhdf2/host/devhost.c
@@ -164,7 +164,7 @@ 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);