diff --git a/src/VizumCamera.cpp b/src/VizumCamera.cpp
index d9f6d02..07b8ff3 100644
--- a/src/VizumCamera.cpp
+++ b/src/VizumCamera.cpp
@@ -906,7 +906,17 @@ bool VizumCamera::CapturePointCloudWithAutoDetect(PointCloud& pointCloud, int ti
     } else {
         LOG_INFO("[VizumCamera] Laser detection initialized successfully");
     }
-    
+
+    // 2.5 启用激光点填充:SDK 对每条激光线输出定长点序列,无测量处填充占位点,
+    //     使扫描线构成真正列对齐的 W×H 栅格(供组织化点云保存/栅格聚类使用)
+    result = VzNL_EnableFillLaserPoint(m_deviceHandle, VzTrue);
+    if (result != 0) {
+        VzNL_GetErrorInfo(result, errorMsg);
+        LOG_WARN("[VizumCamera] VzNL_EnableFillLaserPoint failed: {} (error code: {})", errorMsg, result);
+    } else {
+        LOG_INFO("[VizumCamera] Fill laser point mode enabled (rasterized scan lines)");
+    }
+
     // 3. 启动自动检测模式（与VznlCamera::StartAutoDetect一致）
     m_isPaused = false;
     LOG_INFO("[VizumCamera] Step 2: Starting AutoDetectEx...");