diff --git a/services/engine/histreamer/lpp/lpp_video_streamer/lpp_vdec_adapter.h b/services/engine/histreamer/lpp/lpp_video_streamer/lpp_vdec_adapter.h
index 94e50594c014637746662cf8083aa6fda322aaca..5e2d1cb9521089c5c8c8cd982455e7bfdb3cf11c 100644
--- a/services/engine/histreamer/lpp/lpp_video_streamer/lpp_vdec_adapter.h
+++ b/services/engine/histreamer/lpp/lpp_video_streamer/lpp_vdec_adapter.h
@@ -65,6 +65,7 @@ public:
     void SetEventReceiver(std::shared_ptr<Media::Pipeline::EventReceiver> eventReceiver);
     void SetSyncManager(std::shared_ptr<ILppSyncManager> syncMgr);
     void SetPlaybackSpeed(float speed);
+    int32_t SetTargetPts(int64_t targetPts);
 
 private:
     int32_t PrepareBufferQueue();
@@ -112,6 +113,9 @@ private:
     std::atomic<bool> speed_ {1.0f};
     bool dumpBufferNeeded_ {false};
     std::string dumpFileNameOutput_ {};
+
+    int64_t initTargetPts_ {-1};
+    bool firstStarted_ {false};
 };
 
 }  // namespace Media
diff --git a/services/engine/histreamer/lpp/lpp_video_streamer/src/hilpp_vstreamer_impl.cpp b/services/engine/histreamer/lpp/lpp_video_streamer/src/hilpp_vstreamer_impl.cpp
index b1a85d6e32ddd42ca31695fadb7433b653e3a8a7..2feef8c8406f972fdc7f1be320305223f9258154 100644
--- a/services/engine/histreamer/lpp/lpp_video_streamer/src/hilpp_vstreamer_impl.cpp
+++ b/services/engine/histreamer/lpp/lpp_video_streamer/src/hilpp_vstreamer_impl.cpp
@@ -348,7 +348,9 @@ int32_t HiLppVideoStreamerImpl::SetSyncAudioStreamer(int streamerId)
 }
 int32_t HiLppVideoStreamerImpl::SetTargetStartFrame(const int64_t targetPts, const int timeoutMs)
 {
-    FALSE_RETURN_V_MSG(syncMgr_ != nullptr, MSERR_UNKNOWN, "syncMgr_ nullptr");
+    FALSE_RETURN_V_MSG(syncMgr_ != nullptr && vdec_ != nullptr, MSERR_INVALID_OPERATION, "syncMgr_ nullptr");
+    int32_t ret = vdec_->SetTargetPts(targetPts);
+    FALSE_RETURN_V_MSG(ret == MSERR_OK, ret, "vdec_ SetTargetPts failed");
     syncMgr_->SetTargetStartFrame(targetPts, timeoutMs);
     return MSERR_OK;
 }
diff --git a/services/engine/histreamer/lpp/lpp_video_streamer/src/lpp_vdec_adapter.cpp b/services/engine/histreamer/lpp/lpp_video_streamer/src/lpp_vdec_adapter.cpp
index 4880e5761489bd0832e25dd085d089b3d13448c3..6e680933b168d28bb503eee05eddb3cd6670bded 100644
--- a/services/engine/histreamer/lpp/lpp_video_streamer/src/lpp_vdec_adapter.cpp
+++ b/services/engine/histreamer/lpp/lpp_video_streamer/src/lpp_vdec_adapter.cpp
@@ -182,6 +182,12 @@ int32_t LppVideoDecoderAdapter::StartDecode()
     decodertask_->Start();
     int32_t ret = videoDecoder_->Start();
     FALSE_RETURN_V_MSG(ret == MediaAVCodec::AVCS_ERR_OK, AVCSErrorToMSError(ret), "StartDecode failed");
+    firstStarted_ = true;
+    if (initTargetPts_ != -1) {
+        int32_t seekRes = SetTargetPts(initTargetPts_);
+        FALSE_RETURN_V_MSG(seekRes == MSERR_OK, seekRes, "Seek failed");
+        initTargetPts_ = -1;
+    }
     return MSERR_OK;
 }
 
@@ -622,5 +628,18 @@ void LppVideoDecoderAdapter::DumpBufferIfNeeded(const std::string &fileName, con
     DumpAVBufferToFile(DUMP_PARAM, fileName, buffer);
 }
 
+int32_t LppVideoDecoderAdapter::SetTargetPts(int64_t targetPts)
+{
+    FALSE_RETURN_V_MSG(videoDecoder_ != nullptr, MSERR_INVALID_OPERATION, "videoDecoder_ nullptr");
+    if (!firstStarted_) {
+        initTargetPts_ = targetPts;
+        return MSERR_OK;
+    }
+    Format format;
+    format.PutLongValue("video_seek_pts", targetPts);
+    auto ret = videoDecoder_->SetParameter(format);
+    FALSE_RETURN_V_MSG(ret == MediaAVCodec::AVCS_ERR_OK, MSERR_VID_DEC_FAILED, "Seek failed");
+    return MSERR_OK;
+}
 }  // namespace Media
 }  // namespace OHOS
\ No newline at end of file
diff --git a/test/unittest/lpp_unit_test/engine/lpp_video_stream_unit_test/mock/lpp_vdec_adapter.h b/test/unittest/lpp_unit_test/engine/lpp_video_stream_unit_test/mock/lpp_vdec_adapter.h
index 9d9ce3b608c926a11f49a31502d2313b1a64cb72..359dd48e881e1d2b95badbb0f42635b21d92c183 100644
--- a/test/unittest/lpp_unit_test/engine/lpp_video_stream_unit_test/mock/lpp_vdec_adapter.h
+++ b/test/unittest/lpp_unit_test/engine/lpp_video_stream_unit_test/mock/lpp_vdec_adapter.h
@@ -68,6 +68,7 @@ public:
     MOCK_METHOD(void, SetEventReceiver, (std::shared_ptr<Media::Pipeline::EventReceiver> eventReceiver));
     MOCK_METHOD(void, SetSyncManager, (std::shared_ptr<ILppSyncManager> syncMgr));
     MOCK_METHOD(void, SetPlaybackSpeed, (float speed));
+    MOCK_METHOD(int32_t, SetTargetPts, (int64_t targetPts));
 };
 }  // namespace Media
 }  // namespace OHOS
diff --git a/test/unittest/lpp_unit_test/module/lpp_video_dec_adapter_unit_test/lpp_video_dec_adapter_unit_test.cpp b/test/unittest/lpp_unit_test/module/lpp_video_dec_adapter_unit_test/lpp_video_dec_adapter_unit_test.cpp
index fe33cb52e7a504b224c8618fb86e575508b8c1e0..bcc9ea9d06a6e9768b1ed2edb16c6b6b5fc24b4d 100644
--- a/test/unittest/lpp_unit_test/module/lpp_video_dec_adapter_unit_test/lpp_video_dec_adapter_unit_test.cpp
+++ b/test/unittest/lpp_unit_test/module/lpp_video_dec_adapter_unit_test/lpp_video_dec_adapter_unit_test.cpp
@@ -39,6 +39,7 @@ void LppVideoDecAdapterUnitTest::SetUp(void)
 
 void LppVideoDecAdapterUnitTest::TearDown(void)
 {
+    PipeLineThreadPool::GetInstance().DestroyThread(streamerId_);
     inputBufferQueueConsumer_ = nullptr;
     videoDecoder_ = nullptr;
     videoDecAdapter_ = nullptr;
@@ -216,5 +217,73 @@ HWTEST_F(LppVideoDecAdapterUnitTest, OnInputBufferAvailable_002, TestSize.Level1
     videoDecAdapter_->OnInputBufferAvailable(index, buffer);
     EXPECT_EQ(videoDecAdapter_->bufferVector_.size(), 0);
 }
+
+/**
+* @tc.name    : Test StartDecode API
+* @tc.number  : StartDecode_001
+* @tc.desc    : Test StartDecode interface
+* @tc.require : issueI5NZAQ
+*/
+HWTEST_F(LppVideoDecAdapterUnitTest, StartDecode_001, TestSize.Level1)
+{
+    ASSERT_NE(nullptr, videoDecAdapter_);
+    videoDecAdapter_->decodertask_
+        = std::make_unique<Task>("test_start_decode", streamerId_, TaskType::SINGLETON, TaskPriority::NORMAL, false);
+    videoDecAdapter_->videoDecoder_ = videoDecoder_;
+    videoDecAdapter_->initTargetPts_ = -1;
+    EXPECT_CALL(*videoDecoder_, Start()).WillOnce(Return(MediaAVCodec::AVCS_ERR_OK));
+    int32_t res = videoDecAdapter_->StartDecode();
+    EXPECT_EQ(res, 0);
+}
+
+/**
+* @tc.name    : Test StartDecode API
+* @tc.number  : StartDecode_002
+* @tc.desc    : Test StartDecode interface
+* @tc.require : issueI5NZAQ
+*/
+HWTEST_F(LppVideoDecAdapterUnitTest, StartDecode_002, TestSize.Level1)
+{
+    ASSERT_NE(nullptr, videoDecAdapter_);
+    videoDecAdapter_->decodertask_ 
+        = std::make_unique<Task>("test_start_decode", streamerId_, TaskType::SINGLETON, TaskPriority::NORMAL, false);
+    videoDecAdapter_->videoDecoder_ = videoDecoder_;
+    videoDecAdapter_->initTargetPts_ = 3000;
+    EXPECT_CALL(*videoDecoder_, Start()).WillOnce(Return(MediaAVCodec::AVCS_ERR_OK));
+    EXPECT_CALL(*videoDecoder_, SetParameter(_)).WillOnce(Return(MediaAVCodec::AVCS_ERR_OK));
+    int32_t res = videoDecAdapter_->StartDecode();
+    EXPECT_EQ(res, 0);
+}
+
+/**
+* @tc.name    : Test SetTargetPts API
+* @tc.number  : SetTargetPts_001
+* @tc.desc    : Test SetTargetPts interface
+* @tc.require : issueI5NZAQ
+*/
+HWTEST_F(LppVideoDecAdapterUnitTest, SetTargetPts_001, TestSize.Level1)
+{
+    ASSERT_NE(nullptr, videoDecAdapter_);
+    videoDecAdapter_->firstStarted_ = false;
+    videoDecAdapter_->videoDecoder_ = videoDecoder_;
+    int32_t res = videoDecAdapter_->SetTargetPts(3000);
+    EXPECT_EQ(res, 0);
+}
+
+/**
+* @tc.name    : Test SetTargetPts API
+* @tc.number  : SetTargetPts_002
+* @tc.desc    : Test SetTargetPts interface
+* @tc.require : issueI5NZAQ
+*/
+HWTEST_F(LppVideoDecAdapterUnitTest, SetTargetPts_002, TestSize.Level1)
+{
+    ASSERT_NE(nullptr, videoDecAdapter_);
+    videoDecAdapter_->firstStarted_ = true;
+    videoDecAdapter_->videoDecoder_ = videoDecoder_;
+    EXPECT_CALL(*videoDecoder_, SetParameter(_)).WillOnce(Return(MediaAVCodec::AVCS_ERR_OK));
+    int32_t res = videoDecAdapter_->SetTargetPts(3000);
+    EXPECT_EQ(res, 0);
+}
 } // namespace Media
 } // namespace OHOS
\ No newline at end of file
diff --git a/test/unittest/lpp_unit_test/module/lpp_video_dec_adapter_unit_test/mock/lpp_vdec_adapter.h b/test/unittest/lpp_unit_test/module/lpp_video_dec_adapter_unit_test/mock/lpp_vdec_adapter.h
index 9032685df5300a8ba27a90086d000a68891ae46c..50b9532f2bcae8d5ce13485a1c59e3bb54e20f40 100644
--- a/test/unittest/lpp_unit_test/module/lpp_video_dec_adapter_unit_test/mock/lpp_vdec_adapter.h
+++ b/test/unittest/lpp_unit_test/module/lpp_video_dec_adapter_unit_test/mock/lpp_vdec_adapter.h
@@ -65,6 +65,7 @@ public:
     void SetEventReceiver(std::shared_ptr<Media::Pipeline::EventReceiver> eventReceiver);
     void SetSyncManager(std::shared_ptr<ILppSyncManager> syncMgr);
     void SetPlaybackSpeed(float speed);
+    int32_t SetTargetPts(int64_t targetPts);
 
 private:
     int32_t PrepareBufferQueue();
@@ -112,6 +113,9 @@ private:
     std::atomic<bool> speed_ {1.0f};
     bool dumpBufferNeeded_ {false};
     std::string dumpFileNameOutput_ {};
+
+    int64_t initTargetPts_ {-1};
+    bool firstStarted_ {false};
 };
 
 }  // namespace Media