diff --git a/numass-core/src/main/kotlin/inr/numass/data/storage/ProtoNumassPoint.kt b/numass-core/src/main/kotlin/inr/numass/data/storage/ProtoNumassPoint.kt
index 7eafeef6..c7cd4017 100644
--- a/numass-core/src/main/kotlin/inr/numass/data/storage/ProtoNumassPoint.kt
+++ b/numass-core/src/main/kotlin/inr/numass/data/storage/ProtoNumassPoint.kt
@@ -102,6 +102,9 @@ class ProtoBlock(val channel: Int, private val block: NumassProto.Point.Channel.
     override val events: Stream<NumassEvent>
         get() = if (block.hasEvents()) {
             val events = block.events
+            if(events.timesCount!= events.amplitudesCount){
+                LoggerFactory.getLogger(javaClass).error("The block is broken. Number of times is ${events.timesCount} and number of amplitudes is ${events.amplitudesCount}")
+            }
             IntStream.range(0, events.timesCount).mapToObj { i -> NumassEvent(events.getAmplitudes(i).toShort(), events.getTimes(i), this) }
         } else {
             Stream.empty()
diff --git a/numass-main/src/main/kotlin/inr/numass/scripts/timeanalysis/AnalyzePoint.kt b/numass-main/src/main/kotlin/inr/numass/scripts/timeanalysis/AnalyzePoint.kt
index ec907543..3d3d2484 100644
--- a/numass-main/src/main/kotlin/inr/numass/scripts/timeanalysis/AnalyzePoint.kt
+++ b/numass-main/src/main/kotlin/inr/numass/scripts/timeanalysis/AnalyzePoint.kt
@@ -15,8 +15,8 @@ import inr.numass.data.storage.NumassStorageFactory
 fun main(args: Array<String>) {
 
     val context = buildContext("NUMASS", NumassPlugin::class.java, FXPlotManager::class.java) {
-        rootDir = "D:\\Work\\Numass\\sterile\\2017_11"
-        dataDir = "D:\\Work\\Numass\\data\\2017_11"
+        rootDir = "D:\\Work\\Numass\\sterile\\2018_04"
+        dataDir = "D:\\Work\\Numass\\data\\2018_04"
     }
 
     val storage = NumassStorageFactory.buildLocal(context, "Fill_2", true, false);
diff --git a/numass-viewer/src/main/kotlin/inr/numass/viewer/Cache.kt b/numass-viewer/src/main/kotlin/inr/numass/viewer/Cache.kt
index 646d46ca..ebabdbe8 100644
--- a/numass-viewer/src/main/kotlin/inr/numass/viewer/Cache.kt
+++ b/numass-viewer/src/main/kotlin/inr/numass/viewer/Cache.kt
@@ -29,21 +29,21 @@ import kotlinx.coroutines.experimental.async
 private val analyzer = SimpleAnalyzer()
 
 
-class CachedPoint(point: NumassPoint) : NumassPoint by point {
-    private val lazyBlocks: () -> List<NumassBlock> = { point.blocks }
+class CachedPoint(val point: NumassPoint) : NumassPoint by point {
 
-    override val blocks: List<NumassBlock>
-        get() = lazyBlocks()
+    override val blocks: List<NumassBlock> by lazy { point.blocks }
 
     override val meta: Meta = point.meta
 
-    val channelSpectra: Deferred<Map<Int, Table>> = async(start = CoroutineStart.LAZY) {
-        return@async point.channels.mapValues { (_, value) -> analyzer.getAmplitudeSpectrum(value) }
-    }
+    val channelSpectra: Deferred<Map<Int, Table>>
+        get() = async(start = CoroutineStart.LAZY) {
+            return@async point.channels.mapValues { (_, value) -> analyzer.getAmplitudeSpectrum(value) }
+        }
 
-    val spectrum: Deferred<Table> = async(start = CoroutineStart.LAZY) {
-        analyzer.getAmplitudeSpectrum(point)
-    }
+    val spectrum: Deferred<Table>
+        get() = async(start = CoroutineStart.LAZY) {
+            analyzer.getAmplitudeSpectrum(point)
+        }
 }
 
 class CachedSet(set: NumassSet) : NumassSet by set {
diff --git a/numass-viewer/src/main/kotlin/inr/numass/viewer/PointInfoView.kt b/numass-viewer/src/main/kotlin/inr/numass/viewer/PointInfoView.kt
index b6fbb41e..39d70a7c 100644
--- a/numass-viewer/src/main/kotlin/inr/numass/viewer/PointInfoView.kt
+++ b/numass-viewer/src/main/kotlin/inr/numass/viewer/PointInfoView.kt
@@ -2,16 +2,18 @@ package inr.numass.viewer
 
 import hep.dataforge.fx.meta.MetaViewer
 import inr.numass.data.analyzers.NumassAnalyzer
-import kotlinx.coroutines.experimental.runBlocking
+import javafx.beans.property.SimpleIntegerProperty
+import kotlinx.coroutines.experimental.async
+import org.controlsfx.glyphfont.FontAwesome
 import tornadofx.*
 import tornadofx.controlsfx.borders
+import tornadofx.controlsfx.toGlyph
 
 class PointInfoView(val point: CachedPoint) : MetaViewer(point.meta) {
-    private val count: Int by lazy {
-        runBlocking {
-            point.spectrum.await().sumBy { it.getValue(NumassAnalyzer.COUNT_KEY).int }
-        }
-    }
+
+    val countProperty = SimpleIntegerProperty(0)
+    var count by countProperty
+
 
     override val root = super.root.apply {
         top {
@@ -19,16 +21,30 @@ class PointInfoView(val point: CachedPoint) : MetaViewer(point.meta) {
                 borders {
                     lineBorder().build()
                 }
+                row {
+                    button(graphic = FontAwesome.Glyph.REFRESH.toGlyph()) {
+                        action {
+                            async {
+                                val res = point.spectrum.await().sumBy { it.getValue(NumassAnalyzer.COUNT_KEY).int }
+                                runLater { count = res }
+                            }
+                        }
+                    }
+                }
                 row {
                     hbox {
                         label("Total number of events: ")
-                        label("$count")
+                        label {
+                            textProperty().bind(countProperty.asString())
+                        }
                     }
                 }
                 row {
                     hbox {
                         label("Total count rate: ")
-                        label(String.format("%.2f", count.toDouble() / point.length.toMillis() * 1000))
+                        label {
+                            textProperty().bind(countProperty.stringBinding { String.format("%.2f", it!!.toDouble() / point.length.toMillis() * 1000) })
+                        }
                     }
                 }
             }