diff --git a/common/include/dscreen_util.h b/common/include/dscreen_util.h
index 8b113e525815b1c1cb1dbb4e8f9144fad7d3fa29..aea24399c639e55bb85431c9c9f837ed4c448758 100644
--- a/common/include/dscreen_util.h
+++ b/common/include/dscreen_util.h
@@ -23,6 +23,7 @@ namespace DistributedHardware {
 int32_t GetLocalDeviceNetworkId(std::string &networkId);
 std::string GetRandomID();
 std::string GetAnonyString(const std::string &value);
+std::string GetInterruptString(const std::string &value);
 } // namespace DistributedHardware
 } // namespace OHOS
 #endif
\ No newline at end of file
diff --git a/common/src/dscreen_util.cpp b/common/src/dscreen_util.cpp
index 974e92be9de08528ac38dfe4f972dc995c16d85e..bd380199566bc6e72188846676db07f042dae873 100644
--- a/common/src/dscreen_util.cpp
+++ b/common/src/dscreen_util.cpp
@@ -94,5 +94,20 @@ std::string GetAnonyString(const std::string &value)
 
     return res;
 }
+
+std::string GetInterruptString(const std::string &value)
+{
+    constexpr size_t INT32_MIN_ID_LENGTH = 3;
+    constexpr size_t STRING_HALF_LENGTH = 2;
+    std::string res;
+    size_t strlen = value.length();
+    if (strlen <= INT32_MIN_ID_LENGTH) {
+        res = value;
+    } else  {
+        res = value.substr(0, strlen / STRING_HALF_LENGTH);
+    }
+
+    return res;
+}
 } // namespace DistributedHardware
 } // namespace OHOS
\ No newline at end of file
diff --git a/services/screendemo/decoder_demo.cpp b/services/screendemo/decoder_demo.cpp
index 90242d37f86a9d474ba889557e8c8bd99dbc0dc7..2d8cf6000a98e33bf19ecae13f66266caf61052d 100644
--- a/services/screendemo/decoder_demo.cpp
+++ b/services/screendemo/decoder_demo.cpp
@@ -62,12 +62,9 @@ using namespace OHOS;
 using namespace OHOS::Media;
 using namespace std;
 namespace {
-    constexpr uint32_t DEFAULT_WIDTH = 480;
-    constexpr uint32_t DEFAULT_HEIGHT = 360;
     constexpr uint32_t DEFAULT_FRAME_RATE = 30;
     constexpr uint32_t MAX_INPUT_BUFFER_SIZE = 30000;
     constexpr uint32_t FRAME_DURATION_US = 33000;
-    constexpr uint32_t DEFAULT_FRAME_COUNT = 1;
     constexpr uint32_t VIDEO_DATA_FORMAT_NV12 = 2;
     constexpr uint32_t VIDEO_DATA_FORMAT_RGBA = 5;
     constexpr uint32_t SLEEP_THREE_SECOND = 3;
@@ -81,8 +78,8 @@ void VDecDemo::RunCase()
     CheckCodecType();
     CreateVdec();
     Format format;
-    format.PutIntValue("width", DEFAULT_WIDTH);
-    format.PutIntValue("height", DEFAULT_HEIGHT);
+    format.PutIntValue("width", width_);
+    format.PutIntValue("height", height_);
     if (isW) {
         format.PutIntValue("pixel_format", VIDEO_DATA_FORMAT_NV12);
     } else {
@@ -217,11 +214,12 @@ const int32_t* VDecDemo::GetFrameLen()
     const int32_t* frameLen = nullptr;
     if (isW) {
         frameLen = ES_W;
-        return frameLen;
+        defaultFrameCount_ = sizeof(ES_W)/sizeof(ES_W[0]);
     } else {
         frameLen = ES_R;
-        return frameLen;
+        defaultFrameCount_ = sizeof(ES_R)/sizeof(ES_R[0]);
     }
+    return frameLen;
 }
 
 void VDecDemo::InputFunc()
@@ -274,7 +272,7 @@ void VDecDemo::InputFunc()
         signal_->inQueue_.pop();
 
         frameCount_++;
-        if (frameCount_ == DEFAULT_FRAME_COUNT) {
+        if (frameCount_ == defaultFrameCount_) {
             cout << "Finish decode, exit" << endl;
             break;
         }
diff --git a/services/screendemo/decoder_demo.h b/services/screendemo/decoder_demo.h
index a9ca47c1f7e060a35cb753da3e4726f11cb00b3c..01f83f5ca537ea4dc6146fb3044ddd6b200fdd2a 100644
--- a/services/screendemo/decoder_demo.h
+++ b/services/screendemo/decoder_demo.h
@@ -88,6 +88,7 @@ private:
     bool isW = true;
     int64_t timeStamp_ = 0;
     uint32_t frameCount_ = 0;
+    uint32_t defaultFrameCount_ = 0;
 };
 } // namespace Media
 } // namespace OHOS
diff --git a/services/screendemo/test.cpp b/services/screendemo/test.cpp
index 522aaec01719d72d53ce2e7b676211289e220f23..5d07ccefd8dbbc89c23d7ad6ad218f6f189979f8 100644
--- a/services/screendemo/test.cpp
+++ b/services/screendemo/test.cpp
@@ -19,6 +19,7 @@
 #include "display_manager.h"
 #include "dscreen_source_handler.h"
 #include "dscreen_sink_handler.h"
+#include "dscreen_util.h"
 #include "idistributed_hardware_sink.h"
 #include "idistributed_hardware_source.h"
 #include "screen.h"
@@ -65,7 +66,7 @@ vector<sptr<Screen>> QueryRemoteScreenInfo()
         }
         cout << endl;
         cout << "--------screen id " << screen->GetId() << "---------" << endl;
-        cout << "screen name: " << screen->GetName() << endl;
+        cout << "screen name: " << GetAnonyString(screen->GetName()).c_str() << endl;
         cout << "width: " << screen->GetWidth() << endl;
         cout << "height: " << screen->GetHeight() << endl;
         cout << "-------------------------------------------" << endl;
@@ -220,20 +221,20 @@ static void PrintNodeProperty(NodeBasicInfo *nodeInfo)
     }
 
     printf("DeviceName = %s\n", nodeInfo->deviceName);
-    printf("NetworkId = %s\n", nodeInfo->networkId);
+    printf("NetworkId = %s\n", GetAnonyString(nodeInfo->networkId).c_str());
     NodeDeviceInfoKey key = NODE_KEY_UDID;
     unsigned char udid[UDID_BUF_LEN] = {0};
     if (GetNodeKeyInfo(g_pkgName, nodeInfo->networkId, key, udid, UDID_BUF_LEN) != 0) {
         printf("GetNodeKeyInfo Fail!\n");
     } else {
-        printf("Udid = %s\n", udid);
+        printf("Udid = %s\n", GetAnonyString((char *)udid).c_str());
     }
     key = NODE_KEY_UUID;
     unsigned char uuid[UUID_BUF_LEN] = {0};
     if (GetNodeKeyInfo(g_pkgName, nodeInfo->networkId, key, uuid, UUID_BUF_LEN) != 0) {
         printf("GetNodeKeyInfo Fail!\n");
     } else {
-        printf("Uuid = %s\n", uuid);
+        printf("Uuid = %s\n", GetAnonyString((char *)uuid).c_str());
     }
 }
 
diff --git a/services/screenservice/sourceservice/dscreenmgr/src/screen_manager_adapter.cpp b/services/screenservice/sourceservice/dscreenmgr/src/screen_manager_adapter.cpp
index b3f4c0a33b1f0c8d7abe25d0d2e032e9ee11b2a9..e61d3bea56a167cc23f178153ab541786bdc86f0 100644
--- a/services/screenservice/sourceservice/dscreenmgr/src/screen_manager_adapter.cpp
+++ b/services/screenservice/sourceservice/dscreenmgr/src/screen_manager_adapter.cpp
@@ -25,6 +25,7 @@
 #include "dscreen_constants.h"
 #include "dscreen_errcode.h"
 #include "dscreen_log.h"
+#include "dscreen_util.h"
 
 namespace OHOS {
 namespace DistributedHardware {
@@ -40,7 +41,8 @@ uint64_t ScreenMgrAdapter::CreateVirtualScreen(const std::string &devId, const s
 {
     DHLOGI("CreateVirtualScreen, width: %u, height: %u", videoParam->GetScreenWidth(),
         videoParam->GetScreenHeight());
-    std::string screenName = DSCREEN_PREFIX + SEPERATOR + devId + SEPERATOR + dhId;
+    std::string screenName = DSCREEN_PREFIX + SEPERATOR + GetInterruptString(devId) +
+                             SEPERATOR + GetInterruptString(dhId);
     auto iter = screenIdMap_.find(screenName);
     if (iter != screenIdMap_.end()) {
         DHLOGI("remove an exist virtual screen.");