Fix some text errors

resource/template/theme-mdui/home.html

@@ -178,7 +178,7 @@
             secondToDate(s) {
                 var d = Math.floor(s / 3600 / 24);
                 if (d > 0) {
-                    return d + "{{tr "Day"}}"
+                    return d + " {{tr "Day"}}"
                 }
                 var h = Math.floor(s / 3600 % 24);
                 var m = Math.floor(s / 60 % 60);