diff --git a/services/ans/include/advanced_notification_service.h b/services/ans/include/advanced_notification_service.h
index 22749641bf662a6f06787c360ac70e2b33a962cd..a36a3dcf7364fd2d9076215d9cd64e4cf22772cc 100644
--- a/services/ans/include/advanced_notification_service.h
+++ b/services/ans/include/advanced_notification_service.h
@@ -1572,7 +1572,6 @@ private:
         const bool easyAbroad);
     void ClearSlotTypeData(const sptr<NotificationRequest> &request, int32_t callingUid, int32_t sourceType);
     ErrCode RegisterPushCallbackTokenCheck();
-    bool GetSystemBoolParameter(const std::string &key, const bool defaultValue);
 
     template<typename T>
     bool WriteParcelableVector(const std::vector<sptr<T>> &parcelableVector, MessageParcel &data)
diff --git a/services/ans/include/notification_extension_wrapper.h b/services/ans/include/notification_extension_wrapper.h
index af1a6e457d61380635d3c47b4b475538f16c6c15..cd2bc52867da56610134a7b97f450374db28891b 100644
--- a/services/ans/include/notification_extension_wrapper.h
+++ b/services/ans/include/notification_extension_wrapper.h
@@ -42,6 +42,7 @@ public:
     typedef void (*UPDATE_BY_BUNDLE)(const std::string bundleName, int deleteType);
     typedef int32_t (*REMINDER_CONTROL)(const std::string &bundleName);
     typedef int32_t (*BANNER_CONTROL)(const std::string &bundleName);
+    typedef bool (*ISSAMPLEDEVICE)();
 
 #ifdef ENABLE_ANS_PRIVILEGED_MESSAGE_EXT_WRAPPER
     typedef bool (*MODIFY_REMINDER_FLAGS)(const sptr<NotificationRequest> &request);
@@ -57,6 +58,7 @@ public:
     void UpdateByBundle(const std::string bundleName, int deleteType);
     int32_t ReminderControl(const std::string &bundleName);
     int32_t BannerControl(const std::string &bundleName);
+    bool IsSampleDevice();
 
 #ifdef ENABLE_ANS_PRIVILEGED_MESSAGE_EXT_WRAPPER
     bool ModifyReminderFlags(const sptr<NotificationRequest> &request);
@@ -75,6 +77,7 @@ private:
     UPDATE_BY_BUNDLE updateByBundle_ = nullptr;
     REMINDER_CONTROL reminderControl_ = nullptr;
     BANNER_CONTROL bannerControl_ = nullptr;
+    ISSAMPLEDEVICE isSampleDevice_ = nullptr;
     bool isRegisterDataSettingObserver = false;
 
 #ifdef ENABLE_ANS_PRIVILEGED_MESSAGE_EXT_WRAPPER
diff --git a/services/ans/src/advanced_notification_publish_service.cpp b/services/ans/src/advanced_notification_publish_service.cpp
index 4b749402d169825cefcb0550fe263b380f8e974e..b1bb67956de4c1aa63eccb61efa07ae598667e15 100644
--- a/services/ans/src/advanced_notification_publish_service.cpp
+++ b/services/ans/src/advanced_notification_publish_service.cpp
@@ -80,7 +80,6 @@ const static std::string INSTALL_SOURCE_EASYABROAD = "com.easy.abroad";
 constexpr int32_t ZERO_USER_ID = 0;
 constexpr int32_t CLEAR_SLOT_FROM_AVSEESAION = 1;
 constexpr int32_t CLEAR_SLOT_FROM_RSS = 2;
-constexpr const char *SAMPLE_MEACHINE =  "const.dfx.enable_retail";
 
 ErrCode AdvancedNotificationService::SetDefaultNotificationEnabled(
     const sptr<NotificationBundleOption> &bundleOption, bool enabled)
@@ -1000,7 +999,7 @@ ErrCode AdvancedNotificationService::CommonRequestEnableNotification(const std::
         NotificationAnalyticsUtil::ReportModifyEvent(message);
         return ERR_ANS_NOT_ALLOWED;
     }
-    if (GetSystemBoolParameter(SAMPLE_MEACHINE, false)) {
+    if (EXTENTION_WRAPPER->IsSampleDevice()) {
         return ERR_ANS_NOT_ALLOWED;
     }
 
@@ -1229,7 +1228,7 @@ ErrCode AdvancedNotificationService::CanPopEnableNotificationDialog(
         NotificationAnalyticsUtil::ReportModifyEvent(message);
         return ERR_ANS_NOT_ALLOWED;
     }
-    if (GetSystemBoolParameter(SAMPLE_MEACHINE, false)) {
+    if (EXTENTION_WRAPPER->IsSampleDevice()) {
         return ERR_ANS_NOT_ALLOWED;
     }
     
diff --git a/services/ans/src/advanced_notification_utils.cpp b/services/ans/src/advanced_notification_utils.cpp
index 327c531822cd8c9636193e1258ab86fd1c2d68c5..ee4a19b0c8604ae1d0323ddc64e3d5d46dd5c99b 100644
--- a/services/ans/src/advanced_notification_utils.cpp
+++ b/services/ans/src/advanced_notification_utils.cpp
@@ -52,7 +52,6 @@
 #include "notification_clone_disturb_service.h"
 #include "notification_clone_bundle_service.h"
 #include "advanced_notification_flow_control_service.h"
-#include "parameters.h"
 
 #define CHECK_BUNDLE_OPTION_IS_INVALID(option)                              \
     if (option == nullptr || option->GetBundleName().empty()) {             \
@@ -2228,11 +2227,5 @@ void AdvancedNotificationService::UpdateCloneBundleInfo(const NotificationCloneB
     }));
 }
 
-bool AdvancedNotificationService::GetSystemBoolParameter(const std::string &key, const bool defaultValue)
-{
-    bool result = OHOS::system::GetBoolParameter(key, defaultValue);
-    ANS_LOGI("GetBoolParameter key = %{public}s result = %{public}d",  key.c_str(), result);
-    return result;
-}
 }  // namespace Notification
 }  // namespace OHOS
diff --git a/services/ans/src/notification_extension_wrapper.cpp b/services/ans/src/notification_extension_wrapper.cpp
index 228d15d355d355b550fa96820a127572032710da..f5801e0ef3e2cfc674bb80382a7f63b77eeb4c1a 100644
--- a/services/ans/src/notification_extension_wrapper.cpp
+++ b/services/ans/src/notification_extension_wrapper.cpp
@@ -95,6 +95,12 @@ void ExtensionWrapper::InitExtentionWrapper()
         initSummary_(UpdateUnifiedGroupInfo);
     }
 #endif
+
+    isSampleDevice_ = (ISSAMPLEDEVICE)dlsym(extensionWrapperHandle_, "IsSampleDevice");
+    if (isSampleDevice_ == nullptr) {
+        ANS_LOGE("extension wrapper symbol failed, error: %{public}s", dlerror());
+        return;
+    }
     ANS_LOGD("extension wrapper init success");
 }
 
@@ -211,6 +217,17 @@ void ExtensionWrapper::UpdateByBundle(const std::string bundleName, int deleteRe
     updateByBundle_(bundleName, deleteType);
 }
 
+bool ExtensionWrapper::IsSampleDevice()
+{
+    if (isSampleDevice_ == nullptr) {
+        ANS_LOGE("isSampleDevice_ is null");
+        return false;
+    }
+    bool result = isSampleDevice_();
+    ANS_LOGI("isSampleDevice result = %{public}d", result);
+    return result;
+}
+
 int32_t ExtensionWrapper::convertToDelType(int32_t deleteReason)
 {
     int32_t delType = ACTIVE_DELETE;
diff --git a/services/ans/test/unittest/advanced_notification_utils_test.cpp b/services/ans/test/unittest/advanced_notification_utils_test.cpp
index 5e14c074a1b22a7ed0046eefaeab05f9503f4add..0cb0c6e1aee1f070be19c9bde7e79168d6a85d1b 100644
--- a/services/ans/test/unittest/advanced_notification_utils_test.cpp
+++ b/services/ans/test/unittest/advanced_notification_utils_test.cpp
@@ -1085,16 +1085,5 @@ HWTEST_F(AnsUtilsTest, GetCommonTargetRecordList_0001, Function | SmallTest | Le
     ASSERT_EQ(recordList.size(), 1);
 }
 
-/**
- * @tc.name: GetSystemBoolParameter_0001
- * @tc.desc: Test GetSystemBoolParameter_0001
- * @tc.type: FUNC
- * @tc.require: issue
- */
-HWTEST_F(AnsUtilsTest, GetSystemBoolParameter_0001, Function | SmallTest | Level1)
-{
-    bool result = advancedNotificationService_->GetSystemBoolParameter("const.dfx.enable_retail", false);
-    ASSERT_EQ(result, false);
-}
 }  // namespace Notification
 }  // namespace OHOS
diff --git a/services/ans/test/unittest/notification_extension_wrapper_test.cpp b/services/ans/test/unittest/notification_extension_wrapper_test.cpp
index 0274c79726bdf3a21ebe491e402b8af29368d322..ffc71f49321e453fe48e75025d20054dee8afb5e 100644
--- a/services/ans/test/unittest/notification_extension_wrapper_test.cpp
+++ b/services/ans/test/unittest/notification_extension_wrapper_test.cpp
@@ -384,5 +384,17 @@ HWTEST_F(NotificationExtensionWrapperTest, convertToDelType_DisableNotificationR
     // Assert
     ASSERT_EQ(expectedDelType, actualDelType);
 }
+
+HWTEST_F(NotificationExtensionWrapperTest, IsSampleDevice_Test, TestSize.Level0)
+{
+    ExtensionWrapper wrapper;
+    bool result = wrapper.IsSampleDevice();
+    EXPECT_EQ(false, result);
+
+    auto mockIsSampleDevice = []() { return false; };
+    wrapper.isSampleDevice_ = mockIsSampleDevice;
+    result = wrapper.IsSampleDevice();
+    EXPECT_EQ(false, result);
+}
 }   //namespace Notification
 }   //namespace OHOS
\ No newline at end of file