diff --git a/services/distributedhardwarefwkservice/include/task/online_task.h b/services/distributedhardwarefwkservice/include/task/online_task.h
index efb64395f87ba37567da0b54f0d82c9c8c85edc9..43c69f6c6b166266348933bec8f481e3d24d98ef 100644
--- a/services/distributedhardwarefwkservice/include/task/online_task.h
+++ b/services/distributedhardwarefwkservice/include/task/online_task.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Copyright (c) 2021-2025 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
@@ -32,6 +32,7 @@ private:
     void DoSyncInfo();
     void CreateEnableTask();
     void CreateMetaEnableTask();
+    void AutoLoadModemSink();
 };
 } // namespace DistributedHardware
 } // namespace OHOS
diff --git a/services/distributedhardwarefwkservice/src/task/online_task.cpp b/services/distributedhardwarefwkservice/src/task/online_task.cpp
index e044b8170981d08396db55cfe3386703876e594b..f93cffaf10cdec3b18b3b18eb3d505c84b7100fc 100644
--- a/services/distributedhardwarefwkservice/src/task/online_task.cpp
+++ b/services/distributedhardwarefwkservice/src/task/online_task.cpp
@@ -17,6 +17,8 @@
 
 #include "anonymous_string.h"
 #include "capability_info_manager.h"
+#include "component_loader.h"
+#include "component_manager.h"
 #include "device_manager.h"
 #include "dh_utils_tool.h"
 #include "distributed_hardware_errno.h"
@@ -147,6 +149,24 @@ void OnLineTask::CreateEnableTask()
         auto task = TaskFactory::GetInstance().CreateTask(TaskType::ENABLE, taskParam, shared_from_this());
         TaskExecutor::GetInstance().PushTask(task);
     }
+    AutoLoadModemSink();
+}
+
+void OnLineTask::AutoLoadModemSink()
+{
+    IDistributedHardwareSink *sinkPtr = nullptr;
+    DHType dhType = DHType::MODEM;
+    DHDescriptor dhDescriptor {
+        .id = "1234",
+        .dhType = dhType
+    };
+    auto ret = ComponentLoader::GetInstance().GetSink(dhType, sinkPtr);
+    if (ret == DH_FWK_SUCCESS && sinkPtr != nullptr) {
+        DHLOGI("Need active enable modem sink.");
+        ComponentManager::GetInstance().EnableSink(dhDescriptor, 0, 0);
+        return;
+    }
+    DHLOGI("No need enable modem sink.");
 }
 
 void OnLineTask::CreateMetaEnableTask()