diff --git a/test/fuzztest/security_component/common/fuzz_common.cpp b/test/fuzztest/security_component/common/fuzz_common.cpp
index b3786a14a690bb5afd93fc71fabeb20634008e15..52ac3b2d051a7d1b281224972e2dd34d4fbac76f 100644
--- a/test/fuzztest/security_component/common/fuzz_common.cpp
+++ b/test/fuzztest/security_component/common/fuzz_common.cpp
@@ -42,6 +42,15 @@ uint32_t CompoRandomGenerator::GetScType()
     return GetData<uint32_t>() % (SecCompType::MAX_SC_TYPE - 1) + 1;
 }
 
+std::string CompoRandomGenerator::GetMessage()
+{
+    bool isEmpty = GetData<bool>();
+    if (isEmpty) {
+        return "";
+    }
+    return "the text of the security component is out of range";
+}
+
 std::string CompoRandomGenerator::GenerateRandomCompoStr(uint32_t type)
 {
     switch (type) {
diff --git a/test/fuzztest/security_component/common/fuzz_common.h b/test/fuzztest/security_component/common/fuzz_common.h
index ebf8c0b5f9d31cee5bb3b3bbf2ff2e0f69f61e13..b24bd0788b45d2c6861b9d149dc995a69b1917c6 100644
--- a/test/fuzztest/security_component/common/fuzz_common.h
+++ b/test/fuzztest/security_component/common/fuzz_common.h
@@ -30,6 +30,7 @@ public:
     {}
 
     uint32_t GetScType();
+    std::string GetMessage();
     std::string GenerateRandomCompoStr(uint32_t type);
     std::string ConstructLocationJson();
     std::string ConstructSaveJson();
diff --git a/test/fuzztest/security_component/service/preregisterseccompprocessstub_fuzzer/preregisterseccompprocessstub_fuzz.cpp b/test/fuzztest/security_component/service/preregisterseccompprocessstub_fuzzer/preregisterseccompprocessstub_fuzz.cpp
index db6d055484d48b42e077e7745f5d755fc6ecca37..b2847cfe2ffa8a32bf365981797c4484a023fc68 100644
--- a/test/fuzztest/security_component/service/preregisterseccompprocessstub_fuzzer/preregisterseccompprocessstub_fuzz.cpp
+++ b/test/fuzztest/security_component/service/preregisterseccompprocessstub_fuzzer/preregisterseccompprocessstub_fuzz.cpp
@@ -39,11 +39,13 @@ static void PreRegisterSecCompProcessStubFuzzTest(const uint8_t *data, size_t si
     MessageParcel input;
     SecCompRawdata inputData;
     MessageParcel reply;
+    CompoRandomGenerator generator(data, size);
+    uint32_t type = generator.GetScType();
 
     if (!input.WriteInterfaceToken(ISecCompService::GetDescriptor())) {
         return;
     }
-    rawData.WriteUint32(1);
+    rawData.WriteUint32(type);
     SecCompEnhanceAdapter::EnhanceClientSerialize(rawData, inputData);
     input.WriteUint32(inputData.size);
     input.WriteRawData(inputData.data, inputData.size);
diff --git a/test/fuzztest/security_component/service/reportsecuritycomponentclickeventstub_fuzzer/reportsecuritycomponentclickeventstub_fuzzer.cpp b/test/fuzztest/security_component/service/reportsecuritycomponentclickeventstub_fuzzer/reportsecuritycomponentclickeventstub_fuzzer.cpp
index 0371ea3bac14a6ae441d33cdb738b5393e972abe..33586d0ee7f7cda1eab4f54b28f9547ef80cf195 100644
--- a/test/fuzztest/security_component/service/reportsecuritycomponentclickeventstub_fuzzer/reportsecuritycomponentclickeventstub_fuzzer.cpp
+++ b/test/fuzztest/security_component/service/reportsecuritycomponentclickeventstub_fuzzer/reportsecuritycomponentclickeventstub_fuzzer.cpp
@@ -129,6 +129,10 @@ static int32_t RegisterSecurityComponentStub(uint32_t type, const std::string& c
     auto service =
         std::make_shared<SecCompService>(SA_ID_SECURITY_COMPONENT_SERVICE, true);
     service->OnRemoteRequest(code, input, reply, option);
+    int32_t errCode = reply.ReadInt32();
+    if (errCode != 0) {
+        return 0;
+    }
     if (!reply.ReadUint32(replyData.size)) {
         return 0;
     }
@@ -152,6 +156,32 @@ static int32_t RegisterSecurityComponentStub(uint32_t type, const std::string& c
     return scId;
 }
 
+static int32_t UnRegisterSecurityComponentStub(int32_t scId)
+{
+    uint32_t code =
+        static_cast<uint32_t>(ISecCompServiceIpcCode::COMMAND_UNREGISTER_SECURITY_COMPONENT);
+    MessageParcel rawData;
+    MessageParcel input;
+    SecCompRawdata inputData;
+    MessageParcel reply;
+    SecCompRawdata replyData;
+
+    if (!input.WriteInterfaceToken(ISecCompService::GetDescriptor())) {
+        return 0;
+    }
+    if (!rawData.WriteInt32(scId)) {
+        return 0;
+    }
+    SecCompEnhanceAdapter::EnhanceClientSerialize(rawData, inputData);
+    input.WriteUint32(inputData.size);
+    input.WriteRawData(inputData.data, inputData.size);
+    MessageOption option(MessageOption::TF_SYNC);
+    auto service =
+        std::make_shared<SecCompService>(SA_ID_SECURITY_COMPONENT_SERVICE, true);
+    service->OnRemoteRequest(code, input, reply, option);
+    return 0;
+}
+
 static void ReportSecurityComponentClickEventStubFuzzTest(const uint8_t *data, size_t size)
 {
     uint32_t code = static_cast<uint32_t>(ISecCompServiceIpcCode::COMMAND_REPORT_SECURITY_COMPONENT_CLICK_EVENT);
@@ -174,6 +204,9 @@ static void ReportSecurityComponentClickEventStubFuzzTest(const uint8_t *data, s
         return;
     }
 
+    if (!rawData.WriteString(generator.GetMessage())) {
+        return;
+    }
     sptr<SecCompClickEventParcel> parcel =  new (std::nothrow) SecCompClickEventParcel();
     ConstructClickEvent(generator, parcel->clickInfoParams_);
     if (!rawData.WriteParcelable(parcel)) {
@@ -195,6 +228,7 @@ static void ReportSecurityComponentClickEventStubFuzzTest(const uint8_t *data, s
     MessageOption option(MessageOption::TF_SYNC);
     auto service = std::make_shared<SecCompService>(SA_ID_SECURITY_COMPONENT_SERVICE, true);
     service->OnRemoteRequest(code, input, reply, option);
+    UnRegisterSecurityComponentStub(scId);
 }
 } // namespace OHOS