diff --git a/src/widget/datetime/datetime.select.js b/src/widget/datetime/datetime.select.js
index 4aafee21f..4972c35e1 100644
--- a/src/widget/datetime/datetime.select.js
+++ b/src/widget/datetime/datetime.select.js
@@ -16,6 +16,7 @@ BI.DateTimeSelect = BI.inherit(BI.Widget, {
         this.editor = BI.createWidget({
             type: "bi.sign_editor",
             value: this._alertInEditorValue(o.min),
+            allowBlank: false,
             errorText: BI.i18nText("BI-Please_Input_Natural_Number"),
             validationChecker: function(v){
                 return BI.isNaturalNumber(v);
diff --git a/src/widget/relationview/relationview.item.js b/src/widget/relationview/relationview.item.js
index 589b7e19a..88d435536 100644
--- a/src/widget/relationview/relationview.item.js
+++ b/src/widget/relationview/relationview.item.js
@@ -35,7 +35,8 @@ BI.RelationViewItem = BI.inherit(BI.BasicButton, {
             value: o.value,
             height: o.height,
             textAlign: "left",
-            width: o.isPrimary ? 70 : 90
+            width: o.isPrimary ? 70 : 90,
+            lgap: o.isPrimary ? 0 : 10
         });
         BI.createWidget({
             type: "bi.vertical_adapt",