add nlog output in the AcquireBSEImage method.

OTSIncAMeasureApp/ServiceCenter/ScanController.cs

@@ -278,7 +278,7 @@ namespace OTSModelSharp.ServiceInterface
                 }
                 catch (Exception ex)
                 {
-                    throw ex;
+                    NLog.LogManager.GetCurrentClassLogger().Error(ex.ToString());
                 }
 
                 return GetImgCount;