diff --git a/services/screenservice/test/fuzztest/sourceservice/dscreenservice/dscreensourceservice_fuzzer/dscreensourceservice_fuzzer.cpp b/services/screenservice/test/fuzztest/sourceservice/dscreenservice/dscreensourceservice_fuzzer/dscreensourceservice_fuzzer.cpp
index e51400484df41fe6aa4ad60edc053df39d1b534f..fb39e9635c650a1cdba448ee3325a6a97ac2408f 100644
--- a/services/screenservice/test/fuzztest/sourceservice/dscreenservice/dscreensourceservice_fuzzer/dscreensourceservice_fuzzer.cpp
+++ b/services/screenservice/test/fuzztest/sourceservice/dscreenservice/dscreensourceservice_fuzzer/dscreensourceservice_fuzzer.cpp
@@ -33,8 +33,9 @@ void DscreenSourceServiceFuzzTest(const uint8_t* data, size_t size)
     std::string attrs(reinterpret_cast<const char*>(data), size);
     EnableParam param;
     param.sinkVersion = version;
-    param.sinkAttrs = attrs;
+    param.sinkAttrs = "";
     uint32_t code = *(reinterpret_cast<const uint32_t*>(data)) % 2;
+    uint32_t eventCode = 1;
     std::string dhId(reinterpret_cast<const char*>(data), size);
     std::string devId(reinterpret_cast<const char*>(data), size);
     std::string reqId(reinterpret_cast<const char*>(data), size);
@@ -46,7 +47,7 @@ void DscreenSourceServiceFuzzTest(const uint8_t* data, size_t size)
     sourceServicePtr->Init();
     sourceServicePtr->InitSource(params, callback);
     sourceServicePtr->RegisterDistributedHardware(devId, dhId, param, reqId);
-    sourceServicePtr->DScreenNotify(devId, code, eventContent);
+    sourceServicePtr->DScreenNotify(devId, eventCode, eventContent);
 }
 }
 }