diff --git a/misc/rtsp_ai_player/src-opi5/aiengineinferenceopi5.cpp b/misc/rtsp_ai_player/src-opi5/aiengineinferenceopi5.cpp
index 7a71f59..15077bf 100644
--- a/misc/rtsp_ai_player/src-opi5/aiengineinferenceopi5.cpp
+++ b/misc/rtsp_ai_player/src-opi5/aiengineinferenceopi5.cpp
@@ -101,7 +101,7 @@ void AiEngineInferenceOpi5::drawObjects(cv::Mat& image, const object_detect_resu
         char c_text[256];
         sprintf(c_text, "%s %.1f%%", coco_cls_to_name(result.cls_id), result.prop * 100);
         cv::Point textOrg(left, top - 5);
-        cv::putText(image, std::string(c_text), textOrg, cv::FONT_HERSHEY_SIMPLEX, 0.5, cv::Scalar(0, 0, 255), 1);
+        cv::putText(image, std::string(c_text), textOrg, cv::FONT_HERSHEY_SIMPLEX, result.prop, cv::Scalar(0, 0, 255), 1);
     }
 }
 
@@ -118,7 +118,8 @@ void AiEngineInferenceOpi5::performInferenceSlot(cv::Mat frame)
     object_detect_result_list od_results;
     int ret = inference_yolov8_model(&mRrknnAppCtx0, &imgBuffer, &od_results, mNumber);
     if (ret != 0) {
-        qDebug() << "inference_yolov8_model() failure! ret: " << ret;
+        qDebug() << "AiEngineInferenceOpi5::performInferenceSlot() failure! ret: " << ret;
+        mActive = false;
         return;
     }
 
@@ -136,34 +137,6 @@ void AiEngineInferenceOpi5::performInferenceSlot(cv::Mat frame)
         result.objects.append(object);
     }
 
-    /*
-    char text[256];
-    for (int i = 0; i < od_results.count; i++) {
-        object_detect_result *det_result = &(od_results.results[i]);
-        printf("%s @ (%d %d %d %d) %.3f\n", coco_cls_to_name(det_result->cls_id),
-               det_result->box.left, det_result->box.top,
-               det_result->box.right, det_result->box.bottom,
-               det_result->prop);
-        int x1 = det_result->box.left;
-        int y1 = det_result->box.top;
-        int x2 = det_result->box.right;
-        int y2 = det_result->box.bottom;
-
-        draw_rectangle(&imgBuffer, x1, y1, x2 - x1, y2 - y1, COLOR_BLUE, 3);
-        sprintf(text, "%s %.1f%%", coco_cls_to_name(det_result->cls_id), det_result->prop * 100);
-        draw_text(&imgBuffer, text, x1, y1 - 20, COLOR_RED, 10);
-    }
-    */
-
-    /*
-    static int imageNum = 0;
-    std::stringstream ss;
-    ss << std::setw(4) << std::setfill('0') << imageNum++;
-    std::string formatted_number = ss.str();
-    std::string filename = "/tmp/out-" + formatted_number + ".png";
-    cv::imwrite(filename, scaledFrame);
-    */
-
     drawObjects(scaledFrame, od_results);
     freeImageBuffer(imgBuffer);