修复：摄像头名称推送时gbName为空字符串时回退到cameraId

src/main/java/com/genersoft/iot/vmp/aiot/service/impl/AiConfigServiceImpl.java

@@ -357,7 +357,11 @@ public class AiConfigServiceImpl implements IAiConfigService {
                 camOut.put("camera_id", cameraId);
                 camOut.put("enabled", true);
                 camOut.put("rtsp_url", proxy.getSrcUrl());
-                camOut.put("camera_name", proxy.getGbName() != null ? proxy.getGbName() : cameraId);
+                String cameraName = proxy.getGbName();
+                if (cameraName == null || cameraName.isBlank()) {
+                    cameraName = cameraId;
+                }
+                camOut.put("camera_name", cameraName);
                 cameraList.add(camOut);
                 validCameraIds.add(cameraId);
                 log.debug("[AiConfig] 添加摄像头: cameraCode={}, srcUrl={}", cameraId, proxy.getSrcUrl());