diff --git a/adapter/uhdf2/manager/src/devmgr_service_stub.c b/adapter/uhdf2/manager/src/devmgr_service_stub.c
index 7cb72a92849e5017aec8605091d1ebf83e303592..7eaa093f8a0803a0880d0d1a36f2b9f16dc07d6a 100644
--- a/adapter/uhdf2/manager/src/devmgr_service_stub.c
+++ b/adapter/uhdf2/manager/src/devmgr_service_stub.c
@@ -197,7 +197,7 @@ int32_t DevmgrServiceStubDispatch(struct HdfRemoteService *stub, int code, struc
         HDF_LOGE("%{public}s devmgr service stub dispach failed, cmd id is %{public}d, ret = %{public}d", __func__,
             code, ret);
     }
-    return HDF_SUCCESS;
+    return ret;
 }
 
 // LCOV_EXCL_START
diff --git a/framework/core/manager/src/devmgr_service.c b/framework/core/manager/src/devmgr_service.c
index fe66b391f4ad6ce66dbf9261e9403c7a8242d275..9beac9167ce48fdf69505d334a3d6b59016519d8 100644
--- a/framework/core/manager/src/devmgr_service.c
+++ b/framework/core/manager/src/devmgr_service.c
@@ -51,13 +51,13 @@ static bool DevmgrServiceDynamicDevInfoFound(
     return false;
 }
 
-#define WAIT_HOST_SLEEP_TIME    1 // ms
+#define WAIT_HOST_SLEEP_TIME    2 // ms
 #define WAIT_HOST_SLEEP_CNT     1000
 static int DevmgrServiceStartHostProcess(struct DevHostServiceClnt *hostClnt, bool sync, bool dynamic)
 {
     int waitCount = WAIT_HOST_SLEEP_CNT;
     struct IDriverInstaller *installer = DriverInstallerGetInstance();
-    if (installer == NULL || installer->StartDeviceHost == NULL) {
+    if (installer == NULL || installer->StartDeviceHost == NULL || installer->StopDeviceHost == NULL) {
         HDF_LOGE("invalid installer");
         return HDF_FAILURE;
     }
@@ -79,6 +79,7 @@ static int DevmgrServiceStartHostProcess(struct DevHostServiceClnt *hostClnt, bo
 
     if (waitCount <= 0) {
         HDF_LOGE("wait host(%{public}s, %{public}d) attach timeout", hostClnt->hostName, hostClnt->hostId);
+        installer->StopDeviceHost(hostClnt->hostId, hostClnt->hostName);
         hostClnt->hostPid = -1;
         return HDF_ERR_TIMEOUT;
     }