diff --git a/services/samgr/native/include/system_ability_manager.h b/services/samgr/native/include/system_ability_manager.h
index 883e0b814074fb3d4c6c88bae6725c93727d3800..5558354314d3bd6e6ca66f515c44b54341c42193 100755
--- a/services/samgr/native/include/system_ability_manager.h
+++ b/services/samgr/native/include/system_ability_manager.h
@@ -150,6 +150,7 @@ private:
     sptr<IRemoteObject::DeathRecipient> localAbilityManagerDeath_;
     sptr<IRemoteObject::DeathRecipient> systemReadyCallbackDeath_;
     sptr<DBinderService> dBinderService_;
+    bool isDbinderStart_ = false;
 
     // must hold abilityMapLock_ never access other locks
     std::shared_mutex abilityMapLock_;
diff --git a/services/samgr/native/source/sa_main.cpp b/services/samgr/native/source/sa_main.cpp
index 030f394fe303dab0f8a30a7718ffdd9575ba9be5..d5550c990e12e4a9feb3592d250e6ff06e4e7dbb 100755
--- a/services/samgr/native/source/sa_main.cpp
+++ b/services/samgr/native/source/sa_main.cpp
@@ -13,9 +13,6 @@
  * limitations under the License.
  */
 
-#include <thread>
-#include <unistd.h>
-
 #include "errors.h"
 #include "ipc_skeleton.h"
 #include "ipc_types.h"
@@ -25,18 +22,6 @@
 
 using namespace OHOS;
 
-void startDBinderService(OHOS::sptr<OHOS::SystemAbilityManager> manager) {
-    int time = 15;
-    while (time-- > 0) {
-        sleep(1);
-    }
-    auto dBinder = manager->GetDBinder();
-    if (dBinder != nullptr) {
-        bool ret = dBinder->StartDBinderService();
-        HILOGI("started dbinder service result is %{public}s", ret ? "ok" : "fail");
-    }
-}
-
 int main(int argc, char *argv[])
 {
     HILOGI("%{public}s called, enter System Ability Manager ", __func__);
@@ -46,8 +31,6 @@ int main(int argc, char *argv[])
     // Tell IPCThreadState we're the service manager
     OHOS::sptr<OHOS::IRemoteObject> serv = manager->AsObject();
     IPCSkeleton::SetContextObject(serv);
-    std::thread th(startDBinderService, manager);
-    th.detach();
 
     // Create IPCThreadPool and join in.
     HILOGI("start System Ability Manager Loop");
diff --git a/services/samgr/native/source/system_ability_manager.cpp b/services/samgr/native/source/system_ability_manager.cpp
index a02647f3a1b2c0d6478e1f6fb40348538cf8c966..82b08fa6f8152c0c906f158e7fa413718e9a9305 100755
--- a/services/samgr/native/source/system_ability_manager.cpp
+++ b/services/samgr/native/source/system_ability_manager.cpp
@@ -772,6 +772,13 @@ int32_t SystemAbilityManager::AddSystemAbility(int32_t systemAbilityId, const sp
         dBinderService_->RegisterRemoteProxy(strName, systemAbilityId);
         HILOGD("AddSystemAbility RegisterRemoteProxy, serviceId is %{public}d", systemAbilityId);
     }
+    if (systemAbilityId == SOFTBUS_SERVER_SA_ID && !isDbinderStart_) {
+        if (dBinderService_ != nullptr) {
+            bool ret = dBinderService_->StartDBinderService();
+            HILOGI("startd dbinder service result is %{public}s", ret ? "ok" : "fail");
+            isDbinderStart_ = true;
+        }
+    }
     return ERR_OK;
 }