diff --git a/adapter/BUILD.gn b/adapter/BUILD.gn
index 47922a7c0ac39253c9ca6380a391788461e1508a..6d0bfc585f0592be388ba67491eb80bf07ef50f4 100644
--- a/adapter/BUILD.gn
+++ b/adapter/BUILD.gn
@@ -42,6 +42,7 @@ if (defined(ohos_lite)) {
       "$hdf_adapter_path/uhdf2/ipc:libhdf_ipc_adapter",
       "$hdf_adapter_path/uhdf2/manager:hdf_devmgr",
       "$hdf_adapter_path/uhdf2/manager:hdf_devmgr.cfg",
+      "$hdf_adapter_path/uhdf2/manager:hdf_devmgr.para.dac",
       "$hdf_adapter_path/uhdf2/manager:hdf_pnp.cfg",
       "$hdf_adapter_path/uhdf2/platform:libhdf_platform",
       "$hdf_adapter_path/uhdf2/pub_utils:libpub_utils",
diff --git a/adapter/uhdf2/manager/BUILD.gn b/adapter/uhdf2/manager/BUILD.gn
index 658b36fa9bfe27b4e66c3418c7d85beecb32e00d..7a4f2325e4e99e463683506c9339be3c087d6fca 100644
--- a/adapter/uhdf2/manager/BUILD.gn
+++ b/adapter/uhdf2/manager/BUILD.gn
@@ -102,3 +102,11 @@ ohos_prebuilt_etc("hdf_pnp.cfg") {
   subsystem_name = "hdf"
   part_name = "hdf_core"
 }
+
+ohos_prebuilt_etc("hdf_devmgr.para.dac") {
+  source = "hdf_devmgr.para.dac"
+  relative_install_dir = "param"
+  install_images = [ chipset_base_dir ]
+  subsystem_name = "hdf"
+  part_name = "hdf_core"
+}
diff --git a/adapter/uhdf2/manager/device_manager.c b/adapter/uhdf2/manager/device_manager.c
index 3803b9a75868b8a835af8aa73214fc8b27de253f..2e97d1559b17d8ced54f525de81c0ae1d0b491a5 100644
--- a/adapter/uhdf2/manager/device_manager.c
+++ b/adapter/uhdf2/manager/device_manager.c
@@ -19,9 +19,12 @@
 #include "hdf_base.h"
 #include "hdf_log.h"
 #include "devmgr_dump.h"
+#include "parameter.h"
 
 #define HDF_LOG_TAG hdf_device_manager
 
+const char *BOOTEVENT_HDF_DEVMGR_READY = "bootevent.hdf_devmgr.ready";
+
 int main()
 {
     HDF_LOGI("start hdf device manager");
@@ -38,6 +41,7 @@ int main()
     (void)DevMgrUeventReceiveStart();
     DevMgrRegisterDumpFunc();
     if (status == HDF_SUCCESS) {
+        SetParameter(BOOTEVENT_HDF_DEVMGR_READY, "true");
         struct DevmgrServiceFull *fullService = (struct DevmgrServiceFull *)instance;
         struct HdfMessageLooper *looper = &fullService->looper;
         if ((looper != NULL) && (looper->Start != NULL)) {
diff --git a/adapter/uhdf2/manager/hdf_devmgr.cfg b/adapter/uhdf2/manager/hdf_devmgr.cfg
index 5e54e2e32ba2ce678d0ff2f04038e1cb4fd16e37..7064ae743597f2e7b36382371e57e89fa3442128 100644
--- a/adapter/uhdf2/manager/hdf_devmgr.cfg
+++ b/adapter/uhdf2/manager/hdf_devmgr.cfg
@@ -6,7 +6,11 @@
             "gid" : ["hdf_devmgr", "readproc", "uhdf_driver"],
             "start-mode" : "boot",
             "secon" : "u:r:hdf_devmgr:s0",
-            "caps" : ["CAP_SYS_MODULE"]
+            "caps" : ["CAP_SYS_MODULE"],
+            "critical": [1, 4, 60],
+            "bootevents": [
+                "bootevent.hdf_devmgr.ready"
+            ]
         }
     ]
 }
diff --git a/adapter/uhdf2/manager/hdf_devmgr.para.dac b/adapter/uhdf2/manager/hdf_devmgr.para.dac
new file mode 100644
index 0000000000000000000000000000000000000000..0cbd2be140c55b37ae19c554ae59665725586d4a
--- /dev/null
+++ b/adapter/uhdf2/manager/hdf_devmgr.para.dac
@@ -0,0 +1,14 @@
+# Copyright (c) 2024 Huawei Device Co., Ltd.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+bootevent.hdf_devmgr.ready = hdf_devmgr:hdf_devmgr:0775
\ No newline at end of file