diff --git a/app/models/View.js b/app/models/View.js
index 79622d0..61cb9ab 100644
--- a/app/models/View.js
+++ b/app/models/View.js
@@ -3,7 +3,6 @@ const mongoose = require('mongoose');
 const ViewSchema = mongoose.Schema({
     uid: {
         type: String,
-        unique: true,
         required: true
     },
 
diff --git a/app/public/panel/controllers/DashCtrl.js b/app/public/panel/controllers/DashCtrl.js
index 8920d73..8656b27 100644
--- a/app/public/panel/controllers/DashCtrl.js
+++ b/app/public/panel/controllers/DashCtrl.js
@@ -8,20 +8,27 @@ angular.module('DashCtrl', ['chart.js', 'StatSvc']).controller('DashController',
     let labels = Array.from({length: 7}, (date, i) =>
         (new Date(currentDate - oneDay * (6 - i))).toISOString().substr(5, 5));
 
+    const toHumanReadable = bytes => {
+        const units = ['B', 'KB', 'MB', 'GB', 'TB'];
+        let index = 0;
+        for (; bytes >= 1024 && index < units.length - 1; index++, bytes /= 1024) {}
+        return bytes.toFixed(3) + ' ' + units[index];
+    };
+
     StatService.getWeek((err, stats) => {
-        $scope.uploadData = [Array.from({length: 7}, (val, i) => stats[labels[i]] ? stats[labels[i]].uploads : 0)];
-        $scope.viewData = [Array.from({length: 7}, (val, i) => stats[labels[i]] ? stats[labels[i]].views : 0)];
+        $scope.uploadData = [Array.from({length: 7}, (val, i) => stats[labels[i]] && stats[labels[i]].uploads ? stats[labels[i]].uploads : 0)];
+        $scope.viewData = [Array.from({length: 7}, (val, i) => stats[labels[i]] && stats[labels[i]].views ? stats[labels[i]].views : 0)];
 
         $scope.stats = stats;
 
-        $scope.statUploads = Object.keys(stats).reduce((acc, key) => acc + stats[key].uploads);
-        $scope.statUploadSize = Object.keys(stats).reduce((acc, key) => acc + stats[key].size);
-        $scope.statViews = Object.keys(stats).reduce((acc, key) => acc + stats[key].views);
+        $scope.statUploads = Object.keys(stats).reduce((acc, key) => acc + (stats[key].uploads ? stats[key].uploads : 0), 0);
+        $scope.statUploadSize = toHumanReadable(Object.keys(stats).reduce((acc, key) => acc + (stats[key].size ? stats[key].size : 0), 0));
+        $scope.statViews = Object.keys(stats).reduce((acc, key) => acc + (stats[key].views ? stats[key].views : 0), 0);
     });
 
     StatService.getAll((err, stats) => {
         $scope.statTotalUploads = stats.count;
-        $scope.statTotalUploadSize = stats.size;
+        $scope.statTotalUploadSize = toHumanReadable(stats.size);
         $scope.statTotalViews = stats.views;
     });
 
diff --git a/app/routes/api/stats.js b/app/routes/api/stats.js
index 9cdfccb..b11d5d4 100644
--- a/app/routes/api/stats.js
+++ b/app/routes/api/stats.js
@@ -28,14 +28,13 @@ function mergeAggregateStats(obj1, obj2) {
 }
 
 function mergeAggregations(res1, res2) {
-    const arr = res1;
-    arr.concat(res2);
+    const arr = res1.concat(res2);
 
     let res = {};
 
     for (let obj of arr) {
         if (res[obj._id])
-            mergeAggregateStats(res[obj._id], obj);
+            res[obj._id] = mergeAggregateStats(res[obj._id], obj);
         else
             res[obj._id] = filterAggregateStats(obj);
     }