diff --git a/services/service/include/softbus/softbus_listener.h b/services/service/include/softbus/softbus_listener.h
index 2b53a3624544770af02a81fb4a8b455d1bdb7cf1..10f07733d4435e81945f46c599e9ed6c2a6469d8 100644
--- a/services/service/include/softbus/softbus_listener.h
+++ b/services/service/include/softbus/softbus_listener.h
@@ -87,6 +87,9 @@ public:
     static IRefreshCallback &GetSoftbusRefreshCb();
 private:
     int32_t InitSoftPublishLNN();
+#ifdef MINE_HARMONY
+    static bool IsVaildDeviceInfo(const DeviceInfo *device);
+#endif
 
 private:
     static bool isRadarSoLoad_;
diff --git a/services/service/src/softbus/softbus_listener.cpp b/services/service/src/softbus/softbus_listener.cpp
index f2ac6cf7332a71b5867e70855926149647d5674c..318c90c14ace01ab954e83bdc4de978112e7b027 100644
--- a/services/service/src/softbus/softbus_listener.cpp
+++ b/services/service/src/softbus/softbus_listener.cpp
@@ -60,6 +60,9 @@ constexpr static char HEX_ARRAY[] = "0123456789ABCDEF";
 constexpr static uint8_t BYTE_MASK = 0x0F;
 constexpr static uint16_t ARRAY_DOUBLE_SIZE = 2;
 constexpr static uint16_t BIN_HIGH_FOUR_NUM = 4;
+#ifdef MINE_HARMONY
+constexpr const char* DEVICE_DM_KEY = "DM";
+#endif
 
 static PulishStatus g_publishStatus = PulishStatus::STATUS_UNKNOWN;
 static std::mutex g_deviceMapMutex;
@@ -299,7 +302,14 @@ void SoftbusListener::OnSoftbusDeviceFound(const DeviceInfo *device)
             LOGE("ReportDiscoverResCallback failed");
         }
     }
+#else
+    if (!IsVaildDeviceInfo(device)) {
+        LOGE("Invaild device, deviceId=%s, extraData=%s.", GetAnonyString(dmDevInfo.deviceId).c_str(),
+             GetAnonyString(dmDevInfo.extraData).c_str());
+        return;
+    }
 #endif
+
     LOGI("OnSoftbusDeviceFound: devId=%s, devName=%s, devType=%d, range=%d, isOnline=%d",
         GetAnonyString(dmDevInfo.deviceId).c_str(), dmDevInfo.deviceName, dmDevInfo.deviceTypeId,
         dmDevInfo.range, device->isOnline);
@@ -311,6 +321,25 @@ void SoftbusListener::OnSoftbusDeviceFound(const DeviceInfo *device)
     }
 }
 
+#ifdef MINE_HARMONY
+bool SoftbusListener::IsVaildDeviceInfo(const DeviceInfo *device)
+{
+    cJSON *root = cJSON_Parse(device->custData);
+    if (root == nullptr) {
+        LOGE("root is nullptr.");
+        return false;
+    }
+    cJSON *object = cJSON_GetObjectItem(root, DEVICE_DM_KEY);
+    if (object == nullptr || !cJSON_IsString(object)) {
+        LOGE("object is not string.");
+        cJSON_Delete(root);
+        return false;
+    }
+    cJSON_Delete(root);
+    return true;
+}
+#endif
+
 void SoftbusListener::OnSoftbusDiscoveryResult(int subscribeId, RefreshResult result)
 {
     uint16_t originId = static_cast<uint16_t>((static_cast<uint32_t>(subscribeId)) & SOFTBUS_SUBSCRIBE_ID_MASK);