diff --git a/services/screenservice/sourceservice/dscreenmgr/2.0/include/dscreen.h b/services/screenservice/sourceservice/dscreenmgr/2.0/include/dscreen.h
index f4ef5ca11299dda6b07674fa658195acc0f650e7..1cb9ae327af1db93026a3c164195eb7d2d199dba 100644
--- a/services/screenservice/sourceservice/dscreenmgr/2.0/include/dscreen.h
+++ b/services/screenservice/sourceservice/dscreenmgr/2.0/include/dscreen.h
@@ -112,7 +112,7 @@ private:
     void HandleDisconnect();
     int32_t StartSenderEngine();
     int32_t StopSenderEngine();
-    std::shared_ptr<VideoParam> ParseInputScreenParam(const std::string &param, const std::string &taskId);
+    void ParseInputScreenParam(const std::string &param, const std::string &taskId);
 
     /*
      * Negotiate the codec format between local to remote device,
diff --git a/services/screenservice/sourceservice/dscreenmgr/2.0/src/dscreen.cpp b/services/screenservice/sourceservice/dscreenmgr/2.0/src/dscreen.cpp
index e54b7c7f846f9df0a895a788fc9d5431757f6074..d171f24724b50f96b8e3f45ed450c754b40b603e 100644
--- a/services/screenservice/sourceservice/dscreenmgr/2.0/src/dscreen.cpp
+++ b/services/screenservice/sourceservice/dscreenmgr/2.0/src/dscreen.cpp
@@ -136,7 +136,7 @@ void DScreen::HandleEnable(const std::string &param, const std::string &taskId)
         return;
     }
     SetState(ENABLING);
-    videoParam_ = ParseInputScreenParam(param, taskId);
+    ParseInputScreenParam(param, taskId);
     if (videoParam_ == nullptr) {
         DHLOGE("DScreen::HandleEnable, videoParam_ is nullptr");
         return;
@@ -158,7 +158,7 @@ void DScreen::HandleEnable(const std::string &param, const std::string &taskId)
         "dscreen enable success.");
 }
 
-std::shared_ptr<VideoParam> DScreen::ParseInputScreenParam(const std::string &param, const std::string &taskId)
+void DScreen::ParseInputScreenParam(const std::string &param, const std::string &taskId)
 {
     json attrJson = json::parse(param, nullptr, false);
     if (!CheckJsonData(attrJson)) {
@@ -168,7 +168,10 @@ std::shared_ptr<VideoParam> DScreen::ParseInputScreenParam(const std::string &pa
         ReportRegisterFail(DSCREEN_REGISTER_FAIL, ERR_DH_SCREEN_SA_ENABLE_FAILED, GetAnonyString(devId_).c_str(),
             GetAnonyString(dhId_).c_str(), "check json data failed.");
         SetState(DISABLED);
-        return nullptr;
+        return;
+    }
+    if (videoParam_ == nullptr) {
+        videoParam_ = std::make_shared<VideoParam>();
     }
     int32_t ret = NegotiateCodecType(attrJson[KEY_HISTREAMER_VIDEO_DECODER]);
     if (ret != DH_SUCCESS) {
@@ -177,12 +180,10 @@ std::shared_ptr<VideoParam> DScreen::ParseInputScreenParam(const std::string &pa
             "negotiate codec type failed.");
         ReportRegisterFail(DSCREEN_REGISTER_FAIL, ERR_DH_SCREEN_SA_ENABLE_FAILED, GetAnonyString(devId_).c_str(),
             GetAnonyString(dhId_).c_str(), "negotiate codec type failed.");
-        return nullptr;
+        return;
     }
-    auto videoParam = std::make_shared<VideoParam>();
-    videoParam->SetScreenWidth(attrJson[KEY_SCREEN_WIDTH].get<uint32_t>());
-    videoParam->SetScreenHeight(attrJson[KEY_SCREEN_HEIGHT].get<uint32_t>());
-    return videoParam;
+    videoParam_->SetScreenWidth(attrJson[KEY_SCREEN_WIDTH].get<uint32_t>());
+    videoParam_->SetScreenHeight(attrJson[KEY_SCREEN_HEIGHT].get<uint32_t>());
 }
 
 void DScreen::HandleDisable(const std::string &taskId)
diff --git a/services/screenservice/test/unittest/sourceservice/dscreenmgr/2.0/src/dscreen_test.cpp b/services/screenservice/test/unittest/sourceservice/dscreenmgr/2.0/src/dscreen_test.cpp
index 7acbaafbca4a2f54761480eadd4ccf6066a8a8ce..5534a2cd0e51e00516a98f4ff30eb7953c9fd6de 100644
--- a/services/screenservice/test/unittest/sourceservice/dscreenmgr/2.0/src/dscreen_test.cpp
+++ b/services/screenservice/test/unittest/sourceservice/dscreenmgr/2.0/src/dscreen_test.cpp
@@ -121,19 +121,6 @@ HWTEST_F(DScreenTestV2, HandleEnable_001, TestSize.Level1)
     EXPECT_EQ(SCREEN_ID_INVALID, dScreen_->screenId_);
 }
 
-/**
- * @tc.name: ParseInputScreenParam_001
- * @tc.desc: Verify the ParseInputScreenParam function failed.
- * @tc.type: FUNC
- * @tc.require: Issue Number
- */
-HWTEST_F(DScreenTestV2, ParseInputScreenParam_001, TestSize.Level1)
-{
-    std::string param = "param";
-    std::string taskId = "taskId";
-    EXPECT_EQ(nullptr, dScreen_->ParseInputScreenParam(param, taskId));
-}
-
 /**
  * @tc.name: HandleDisable_001
  * @tc.desc: Verify the HandleDisable function failed.