diff --git a/bundle.json b/bundle.json
index dce07b821405036303ffcc5e34cd2aa96c496b1f..39000b9189c71b40803aea3b4146f4e6cfa95ebe 100644
--- a/bundle.json
+++ b/bundle.json
@@ -42,7 +42,8 @@
         "//foundation/distributedhardware/distributedhardwarefwk/utils:distributedhardwareutils",
         "//foundation/distributedhardware/distributedhardwarefwk/services/distributedhardwarefwkservice:distributedhardwarefwksvr",
         "//foundation/distributedhardware/distributedhardwarefwk/services/distributedhardwarefwkserviceimpl:distributedhardwarefwksvr_impl",
-        "//foundation/distributedhardware/distributedhardwarefwk/sa_profile:dhfwk_sa_profile"
+        "//foundation/distributedhardware/distributedhardwarefwk/sa_profile:dhfwk_sa_profile",
+        "//foundation/distributedhardware/distributedhardwarefwk/sa_profile:dhardware.cfg"
       ],
       "test": [
         "//foundation/distributedhardware/distributedhardwarefwk/utils/test/unittest:utils_test",
diff --git a/sa_profile/4801.xml b/sa_profile/4801.xml
index 1c5961fa37ee97d01aa959cb1ed8b57acb3223d1..236e5282e2aee729b893c83cd0f0545f40724150 100644
--- a/sa_profile/4801.xml
+++ b/sa_profile/4801.xml
@@ -18,9 +18,9 @@
     <systemability> <!-- Declare a system ability and its profile -->
         <name>4801</name> <!-- Declare the name of system ability -->
         <libpath>libdistributedhardwarefwksvr.z.so</libpath> <!-- Declare the path of .so file which includes the system ability; Note: 1 .so file can have 1 to N system abilities. -->
-        <depend>4802</depend>  <!-- Declare the name of system abilities which the system ability depends on, using ";" as separator among names. If there are dependencies, it needs to check if all those dependencies are avliable in service manager before starting the system ability. -->
-        <depend-time-out>60000</depend-time-out>  <!-- Check all dependencies are available before the timeout period ended. The MAX_DEPENDENCY_TIMEOUT is 60s. -->
-        <run-on-create>true</run-on-create> <!-- "true" means the system ability would start imediately, "false" means the system ability would start on demand. -->
+        <!-- Declare the name of system abilities which the system ability depends on, using ";" as separator among names. If there are dependencies, it needs to check if all those dependencies are avliable in service manager before starting the system ability. -->
+        <!-- Check all dependencies are available before the timeout period ended. The MAX_DEPENDENCY_TIMEOUT is 60s. -->
+        <run-on-create>false</run-on-create> <!-- "true" means the system ability would start imediately, "false" means the system ability would start on demand. -->
         <distributed>true</distributed> <!-- "true" means the system ability supports distributed scheduling while "false" is not. -->
         <dump-level>1</dump-level> <!-- Declare the dump level. 1-high; 2-media; 3-low -->
     </systemability>
diff --git a/sa_profile/BUILD.gn b/sa_profile/BUILD.gn
index 4f5fbabd8055252f85f907aa585c02bdbde9420d..f30568c3209fe5ddf3c08f863870c5a7a06084d0 100644
--- a/sa_profile/BUILD.gn
+++ b/sa_profile/BUILD.gn
@@ -11,10 +11,17 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import("//build/ohos/sa_profile/sa_profile.gni")
+import("//build/ohos.gni")
 
 ohos_sa_profile("dhfwk_sa_profile") {
   sources = [ "4801.xml" ]
 
   part_name = "distributed_hardware_fwk"
 }
+
+ohos_prebuilt_etc("dhardware.cfg") {
+  relative_install_dir = "init"
+  source = "dhardware.cfg"
+  part_name = "distributed_hardware_fwk"
+  subsystem_name = "distributedhardware"
+}
diff --git a/services/distributedhardwarefwkservice/distributedhardware_fwk.cfg b/sa_profile/dhardware.cfg
similarity index 37%
rename from services/distributedhardwarefwkservice/distributedhardware_fwk.cfg
rename to sa_profile/dhardware.cfg
index 22b7ee41dfa9397c1127a40d34b64651c6ba0a97..f521718de2f0dfba17858fefcfdde795409d16b1 100644
--- a/services/distributedhardwarefwkservice/distributedhardware_fwk.cfg
+++ b/sa_profile/dhardware.cfg
@@ -1,15 +1,9 @@
 {
-    "jobs" : [{
-            "name" : "post-fs-data",
-            "cmds" : [
-                "start distributedhardware_fwk"
-            ]
-        }
-    ],
     "services" : [{
-            "name" : "distributedhardware_fwk",
+            "name" : "dhardware",
             "path" : ["/system/bin/sa_main", "/system/profile/dhardware.xml"],
             "uid" : "system",
-            "gid" : ["system"]
+            "gid" : ["system"],
+            "ondemand" : true
     }]
 }
\ No newline at end of file
diff --git a/services/distributedhardwarefwkservice/BUILD.gn b/services/distributedhardwarefwkservice/BUILD.gn
index 982d8793d3876c1874656edf5b8a04a5c33d115f..312f5b4bce6cdfe17c3c62eb5bf3c5dc548572ba 100644
--- a/services/distributedhardwarefwkservice/BUILD.gn
+++ b/services/distributedhardwarefwkservice/BUILD.gn
@@ -13,7 +13,8 @@
 
 import("//build/ohos.gni")
 import("//build/ohos_var.gni")
-import("//foundation/distributedhardware/distributedhardwarefwk/distributedhardwarefwk.gni")
+import(
+    "//foundation/distributedhardware/distributedhardwarefwk/distributedhardwarefwk.gni")
 
 ohos_shared_library("distributedhardwarefwksvr") {
   include_dirs = [
@@ -31,26 +32,25 @@ ohos_shared_library("distributedhardwarefwksvr") {
   ]
 
   sources = [
+    "src/accessmanager/access_manager.cpp",
+    "src/distributed_hardware_manager_factory.cpp",
     "src/distributed_hardware_service.cpp",
     "src/distributed_hardware_stub.cpp",
-    "src/distributed_hardware_manager_factory.cpp",
-    "src/accessmanager/access_manager.cpp",
   ]
 
   deps = [
+    "${services_path}/distributedhardwarefwkserviceimpl:distributedhardwarefwksvr_impl",
     "${utils_path}:distributedhardwareutils",
     "//foundation/aafwk/standard/interfaces/innerkits/ability_manager:ability_manager",
     "//foundation/aafwk/standard/services/abilitymgr:abilityms",
-    "//utils/native/base:utils",
     "//foundation/distributedhardware/devicemanager/interfaces/inner_kits/native_cpp:devicemanagersdk",
-    ":distributedhardware_fwk.cfg",
-    "${services_path}/distributedhardwarefwkserviceimpl:distributedhardwarefwksvr_impl"
+    "//utils/native/base:utils",
   ]
 
   defines = [
-      "HI_LOG_ENABLE",
-      "DH_LOG_TAG=\"dhfwksvr\"",
-      "LOG_DOMAIN=0xD004100",
+    "HI_LOG_ENABLE",
+    "DH_LOG_TAG=\"dhfwksvr\"",
+    "LOG_DOMAIN=0xD004100",
   ]
 
   external_deps = [
@@ -74,4 +74,4 @@ ohos_prebuilt_etc("distributedhardware_fwk.cfg") {
   source = "distributedhardware_fwk.cfg"
   part_name = "distributed_hardware_fwk"
   subsystem_name = "distributedhardware"
-}
\ No newline at end of file
+}
diff --git a/services/distributedhardwarefwkservice/include/distributed_hardware_manager_factory.h b/services/distributedhardwarefwkservice/include/distributed_hardware_manager_factory.h
index 7c9ba448d1a9b0029cee8396964cfe814c8378cd..6fbaae81c694775599e4520d5b9a0ea103c36992 100644
--- a/services/distributedhardwarefwkservice/include/distributed_hardware_manager_factory.h
+++ b/services/distributedhardwarefwkservice/include/distributed_hardware_manager_factory.h
@@ -37,6 +37,7 @@ private:
     void UnInit();
     int32_t LoadLibrary();
     void CloseLibrary();
+    void CheckExitSAOrNot();
 
 private:
     void *handler_ { nullptr };
diff --git a/services/distributedhardwarefwkservice/src/distributed_hardware_manager_factory.cpp b/services/distributedhardwarefwkservice/src/distributed_hardware_manager_factory.cpp
index afa23a979cd7c0f76c015a5f85459a50a671e163..59312f05fa13201112fbcd2febfd437ac6207dd0 100644
--- a/services/distributedhardwarefwkservice/src/distributed_hardware_manager_factory.cpp
+++ b/services/distributedhardwarefwkservice/src/distributed_hardware_manager_factory.cpp
@@ -18,6 +18,10 @@
 #include <dlfcn.h>
 #include <memory>
 
+#include "anonymous_string.h"
+#include "constants.h"
+#include "device_manager.h"
+#include "dh_utils_tool.h"
 #include "distributed_hardware_errno.h"
 #include "distributed_hardware_log.h"
 
@@ -61,7 +65,27 @@ void DistributedHardwareManagerFactory::UnInit()
     distributedHardwareMgrPtr_->Release();
 
     CloseLibrary();
-    DHLOGD("success");
+    CheckExitSAOrNot();
+}
+
+void DistributedHardwareManagerFactory::CheckExitSAOrNot()
+{
+    std::vector<DmDeviceInfo> deviceList;
+    DeviceManager::GetInstance().GetTrustedDeviceList(DH_FWK_PKG_NAME, "", deviceList);
+    if (deviceList.size() == 0) {
+        DHLOGI("DM report devices offline, exit sa process");
+        exit(0);
+    }
+
+    DHLOGI("After uninit, DM report devices online, reinit");
+    Init();
+    for (const auto &deviceInfo : deviceList) {
+        const auto networkId = std::string(deviceInfo.deviceId);
+        const auto uuid = GetUUIDBySoftBus(networkId);
+        DHLOGI("Send trusted device online, networkId = %s, uuid = %s", GetAnonyString(networkId).c_str(),
+            GetAnonyString(uuid).c_str());
+        SendOnLineEvent(networkId, uuid, deviceInfo.deviceTypeId);
+    }
 }
 
 bool DistributedHardwareManagerFactory::IsInit()
diff --git a/services/distributedhardwarefwkservice/test/unittest/common/accessmanager/access_manager_test.cpp b/services/distributedhardwarefwkservice/test/unittest/common/accessmanager/access_manager_test.cpp
index 15db9dbd24ecea944c5320beee3836ef5adf7761..a42e67448454fc74fdc693868ff09798aeb6c4cc 100644
--- a/services/distributedhardwarefwkservice/test/unittest/common/accessmanager/access_manager_test.cpp
+++ b/services/distributedhardwarefwkservice/test/unittest/common/accessmanager/access_manager_test.cpp
@@ -54,7 +54,13 @@ public:
     std::mutex testAccessMutex_;
 };
 
-void AccessManagerTest::SetUp() {}
+void AccessManagerTest::SetUp()
+{
+    // at last one device online, ensure sa not exit
+    std::string networkId = "00000000000000000000000000000000";
+    std::string uuid = "99999999999999999999999999999999";
+    DistributedHardwareManagerFactory::GetInstance().SendOnLineEvent(networkId, uuid, TEST_DEV_TYPE_PAD);
+}
 
 void AccessManagerTest::TearDown()
 {
@@ -76,7 +82,7 @@ void AccessManagerTest::TearDownTestCase() {}
  */
 HWTEST_F(AccessManagerTest, SendOnLineEvent_001, TestSize.Level1)
 {
-    ASSERT_FALSE(DistributedHardwareManagerFactory::GetInstance().IsInit());
+    ASSERT_TRUE(DistributedHardwareManagerFactory::GetInstance().IsInit());
 
     for (const auto &dev : TEST_DEVICES) {
         auto ret =
@@ -94,17 +100,17 @@ HWTEST_F(AccessManagerTest, SendOnLineEvent_001, TestSize.Level1)
  */
 HWTEST_F(AccessManagerTest, SendOnLineEvent_002, TestSize.Level1)
 {
-    ASSERT_FALSE(DistributedHardwareManagerFactory::GetInstance().IsInit());
+    ASSERT_TRUE(DistributedHardwareManagerFactory::GetInstance().IsInit());
 
     auto ret =
         DistributedHardwareManagerFactory::GetInstance().SendOnLineEvent("", TEST_DEVICES[0].second, TEST_DEV_TYPE_PAD);
     ASSERT_EQ(ERR_DH_FWK_REMOTE_NETWORK_ID_IS_EMPTY, ret);
-    ASSERT_FALSE(DistributedHardwareManagerFactory::GetInstance().IsInit());
+    ASSERT_TRUE(DistributedHardwareManagerFactory::GetInstance().IsInit());
 
     ret =
         DistributedHardwareManagerFactory::GetInstance().SendOnLineEvent(TEST_DEVICES[0].first, "", TEST_DEV_TYPE_PAD);
     ASSERT_EQ(ERR_DH_FWK_REMOTE_DEVICE_ID_IS_EMPTY, ret);
-    ASSERT_FALSE(DistributedHardwareManagerFactory::GetInstance().IsInit());
+    ASSERT_TRUE(DistributedHardwareManagerFactory::GetInstance().IsInit());
 }
 
 /**
@@ -129,7 +135,7 @@ HWTEST_F(AccessManagerTest, SendOffLineEvent_001, TestSize.Level1)
             DistributedHardwareManagerFactory::GetInstance().SendOffLineEvent(dev.first, dev.second, TEST_DEV_TYPE_PAD);
         ASSERT_EQ(DH_FWK_SUCCESS, ret);
     }
-    ASSERT_FALSE(DistributedHardwareManagerFactory::GetInstance().IsInit());
+    ASSERT_TRUE(DistributedHardwareManagerFactory::GetInstance().IsInit());
 }
 
 /**