diff --git a/services/distributedhardwarefwkservice/include/task/offline_task.h b/services/distributedhardwarefwkservice/include/task/offline_task.h
index 2bba2b056d9ec98776d8b3c127363cb0169fe6e3..0be333edfc6cd591832f4bf1f975788dbc2e8d46 100644
--- a/services/distributedhardwarefwkservice/include/task/offline_task.h
+++ b/services/distributedhardwarefwkservice/include/task/offline_task.h
@@ -17,6 +17,7 @@
 #define OHOS_DISTRIBUTED_HARDWARE_OFFLINE_TASK_H
 
 #include <condition_variable>
+#include <atomic>
 
 #include "task.h"
 
@@ -50,6 +51,7 @@ private:
     std::condition_variable finishCondVar_;
     std::mutex unFinishTaskMtx_;
     std::set<std::string> unFinishChildrenTasks_;
+    std::atomic<bool> isDeviceOffline_{false};
 };
 } // namespace DistributedHardware
 } // namespace OHOS
diff --git a/services/distributedhardwarefwkservice/src/task/offline_task.cpp b/services/distributedhardwarefwkservice/src/task/offline_task.cpp
index be7b89b4c14111c43932287e278f8d4fc6e29418..04fb7c0966a0f5aa68a3e58628d6d7fdf0df1aa3 100644
--- a/services/distributedhardwarefwkservice/src/task/offline_task.cpp
+++ b/services/distributedhardwarefwkservice/src/task/offline_task.cpp
@@ -61,6 +61,10 @@ void OffLineTask::DoTask()
 
 void OffLineTask::DoTaskInner()
 {
+    if (isDeviceOffline_.load()) {
+        DHLOGW("Started releasing all resource and unloading sa.");
+        return;
+    }
     int32_t ret = pthread_setname_np(pthread_self(), OFFLINE_TASK_INNER);
     if (ret != DH_FWK_SUCCESS) {
         DHLOGE("DoTaskInner setname failed.");
@@ -98,7 +102,8 @@ void OffLineTask::DoTaskInner()
     if (DHContext::GetInstance().GetRealTimeOnlineDeviceCount() == 0 &&
         DHContext::GetInstance().GetIsomerismConnectCount() == 0 &&
         TaskBoard::GetInstance().IsAllTaskFinish()) {
-        DHLOGI("all devices are offline, start to free the resource");
+        isDeviceOffline_.store(true);
+        DHLOGI("all devices are offline, start to free the resource and set the flag to true.");
         DistributedHardwareManagerFactory::GetInstance().UnInit();
     }
 }