diff --git a/src/case/colorchooser/colorchooser.js b/src/case/colorchooser/colorchooser.js
index 8454c0fec..95db2b7f8 100644
--- a/src/case/colorchooser/colorchooser.js
+++ b/src/case/colorchooser/colorchooser.js
@@ -13,9 +13,6 @@ BI.ColorChooser = BI.inherit(BI.Widget, {
             value: "",
             height: 24,
             el: {},
-            attributes: {
-                tabIndex: 0
-            }
         });
     },
 
diff --git a/src/case/combo/icontextvaluecombo/combo.icontextvalue.js b/src/case/combo/icontextvaluecombo/combo.icontextvalue.js
index a27660215..6ff16b119 100644
--- a/src/case/combo/icontextvaluecombo/combo.icontextvalue.js
+++ b/src/case/combo/icontextvaluecombo/combo.icontextvalue.js
@@ -10,9 +10,6 @@ BI.IconTextValueCombo = BI.inherit(BI.Widget, {
             iconHeight: null,
             iconWidth: null,
             value: "",
-            attributes: {
-                tabIndex: 0
-            }
         });
     },
 
diff --git a/src/case/combo/textvaluecheckcombo/combo.textvaluecheck.js b/src/case/combo/textvaluecheckcombo/combo.textvaluecheck.js
index 1edffb863..46c3d65ed 100644
--- a/src/case/combo/textvaluecheckcombo/combo.textvaluecheck.js
+++ b/src/case/combo/textvaluecheckcombo/combo.textvaluecheck.js
@@ -11,9 +11,6 @@ BI.TextValueCheckCombo = BI.inherit(BI.Widget, {
             height: 24,
             chooseType: BI.ButtonGroup.CHOOSE_TYPE_SINGLE,
             value: "",
-            attributes: {
-                tabIndex: 0
-            }
         });
     },
 
diff --git a/src/case/combo/textvaluecombo/combo.textvalue.js b/src/case/combo/textvaluecombo/combo.textvalue.js
index bbf8ecdd5..c5515c496 100644
--- a/src/case/combo/textvaluecombo/combo.textvalue.js
+++ b/src/case/combo/textvaluecombo/combo.textvalue.js
@@ -12,9 +12,6 @@ BI.TextValueCombo = BI.inherit(BI.Widget, {
             chooseType: BI.ButtonGroup.CHOOSE_TYPE_SINGLE,
             text: "",
             value: "",
-            attributes: {
-                tabIndex: 0
-            }
         });
     },
 
diff --git a/src/widget/dynamicdate/dynamicdate.combo.js b/src/widget/dynamicdate/dynamicdate.combo.js
index b03ed0d9a..605b01591 100644
--- a/src/widget/dynamicdate/dynamicdate.combo.js
+++ b/src/widget/dynamicdate/dynamicdate.combo.js
@@ -7,16 +7,13 @@ BI.DynamicDateCombo = BI.inherit(BI.Single, {
     },
 
     props: {
-        baseCls: "bi-dynamic-date-combo bi-border bi-focus-shadow bi-border-radius",
+        baseCls: "bi-dynamic-date-combo",
         height: 24,
         minDate: "1900-01-01",
         maxDate: "2099-12-31",
         format: "",
         allowEdit: true,
         supportDynamic: true,
-        attributes: {
-            tabIndex: 0
-        }
     },
 
     _init: function () {
@@ -48,6 +45,7 @@ BI.DynamicDateCombo = BI.inherit(BI.Single, {
                 items: [{
                     el: {
                         type: "bi.combo",
+                        cls: "bi-border bi-focus-shadow bi-border-radius",
                         container: opts.container,
                         ref: function () {
                             self.combo = this;
diff --git a/src/widget/dynamicdatetime/dynamicdatetime.combo.js b/src/widget/dynamicdatetime/dynamicdatetime.combo.js
index 66c602fee..3fb8716f9 100644
--- a/src/widget/dynamicdatetime/dynamicdatetime.combo.js
+++ b/src/widget/dynamicdatetime/dynamicdatetime.combo.js
@@ -7,7 +7,7 @@ BI.DynamicDateTimeCombo = BI.inherit(BI.Single, {
     },
 
     props: {
-        baseCls: "bi-dynamic-date-combo bi-border bi-focus-shadow bi-border-radius",
+        baseCls: "bi-dynamic-date-combo",
         height: 24,
         minDate: "1900-01-01",
         maxDate: "2099-12-31",
@@ -45,6 +45,7 @@ BI.DynamicDateTimeCombo = BI.inherit(BI.Single, {
                 items: [{
                     el: {
                         type: "bi.combo",
+                        cls: "bi-border bi-focus-shadow bi-border-radius",
                         destroyWhenHide: true,
                         container: opts.container,
                         ref: function () {
diff --git a/src/widget/multilayerselecttree/multilayerselecttree.combo.js b/src/widget/multilayerselecttree/multilayerselecttree.combo.js
index 17c4d5c7c..ce7cbfe3d 100644
--- a/src/widget/multilayerselecttree/multilayerselecttree.combo.js
+++ b/src/widget/multilayerselecttree/multilayerselecttree.combo.js
@@ -13,9 +13,6 @@ BI.MultiLayerSelectTreeCombo = BI.inherit(BI.Widget, {
             itemsCreator: BI.emptyFn,
             items: [],
             value: "",
-            attributes: {
-                tabIndex: 0
-            },
             allowEdit: false,
             allowSearchValue: false,
             allowInsertValue: false,
diff --git a/src/widget/multilayersingletree/multilayersingletree.combo.js b/src/widget/multilayersingletree/multilayersingletree.combo.js
index f23d4d0c8..b02e33198 100644
--- a/src/widget/multilayersingletree/multilayersingletree.combo.js
+++ b/src/widget/multilayersingletree/multilayersingletree.combo.js
@@ -16,9 +16,6 @@ BI.MultiLayerSingleTreeCombo = BI.inherit(BI.Widget, {
             itemsCreator: BI.emptyFn,
             items: [],
             value: "",
-            attributes: {
-                tabIndex: 0
-            },
             allowEdit: false,
             allowSearchValue: false,
             allowInsertValue: false,
diff --git a/src/widget/multiselect/multiselect.combo.js b/src/widget/multiselect/multiselect.combo.js
index 039e17b8c..72774a277 100644
--- a/src/widget/multiselect/multiselect.combo.js
+++ b/src/widget/multiselect/multiselect.combo.js
@@ -12,9 +12,6 @@ BI.MultiSelectCombo = BI.inherit(BI.Single, {
             valueFormatter: BI.emptyFn,
             itemHeight: 24,
             height: 24,
-            attributes: {
-                tabIndex: 0
-            },
             allowEdit: true
         });
     },
diff --git a/src/widget/multiselect/multiselect.combo.nobar.js b/src/widget/multiselect/multiselect.combo.nobar.js
index d1ee954ae..559d07734 100644
--- a/src/widget/multiselect/multiselect.combo.nobar.js
+++ b/src/widget/multiselect/multiselect.combo.nobar.js
@@ -12,9 +12,6 @@ BI.MultiSelectNoBarCombo = BI.inherit(BI.Single, {
             valueFormatter: BI.emptyFn,
             itemHeight: 24,
             height: 24,
-            attributes: {
-                tabIndex: 0
-            }
         });
     },
 
diff --git a/src/widget/multiselect/multiselect.insert.combo.js b/src/widget/multiselect/multiselect.insert.combo.js
index 21db8c952..598610100 100644
--- a/src/widget/multiselect/multiselect.insert.combo.js
+++ b/src/widget/multiselect/multiselect.insert.combo.js
@@ -12,9 +12,6 @@ BI.MultiSelectInsertCombo = BI.inherit(BI.Single, {
             valueFormatter: BI.emptyFn,
             height: 24,
             itemHeight: 24,
-            attributes: {
-                tabIndex: 0
-            },
             allowEdit: true
         });
     },
diff --git a/src/widget/multiselect/multiselect.insert.combo.nobar.js b/src/widget/multiselect/multiselect.insert.combo.nobar.js
index 84216eadd..aefe50ef0 100644
--- a/src/widget/multiselect/multiselect.insert.combo.nobar.js
+++ b/src/widget/multiselect/multiselect.insert.combo.nobar.js
@@ -12,9 +12,6 @@ BI.MultiSelectInsertNoBarCombo = BI.inherit(BI.Single, {
             valueFormatter: BI.emptyFn,
             itemsHeight: 24,
             height: 24,
-            attributes: {
-                tabIndex: 0
-            }
         });
     },
 
diff --git a/src/widget/multitree/multi.tree.combo.js b/src/widget/multitree/multi.tree.combo.js
index 4717807b2..5ac0b03a6 100644
--- a/src/widget/multitree/multi.tree.combo.js
+++ b/src/widget/multitree/multi.tree.combo.js
@@ -23,9 +23,6 @@ BI.MultiTreeCombo = BI.inherit(BI.Single, {
             height: 24,
             allowEdit: true,
             isNeedAdjustWidth: true,
-            attributes: {
-                tabIndex: 0
-            }
         });
     },
 
diff --git a/src/widget/multitree/multi.tree.insert.combo.js b/src/widget/multitree/multi.tree.insert.combo.js
index a998fd473..cfaece933 100644
--- a/src/widget/multitree/multi.tree.insert.combo.js
+++ b/src/widget/multitree/multi.tree.insert.combo.js
@@ -23,9 +23,6 @@ BI.MultiTreeInsertCombo = BI.inherit(BI.Single, {
             height: 24,
             allowEdit: true,
             isNeedAdjustWidth: true,
-            attributes: {
-                tabIndex: 0
-            }
         });
     },
 
diff --git a/src/widget/multitree/multi.tree.list.combo.js b/src/widget/multitree/multi.tree.list.combo.js
index 13e0516d8..45842cfda 100644
--- a/src/widget/multitree/multi.tree.list.combo.js
+++ b/src/widget/multitree/multi.tree.list.combo.js
@@ -24,9 +24,6 @@ BI.MultiTreeListCombo = BI.inherit(BI.Single, {
             allowEdit: true,
             allowInsertValue: true,
             isNeedAdjustWidth: true,
-            attributes: {
-                tabIndex: 0
-            }
         });
     },
 
diff --git a/src/widget/selecttree/selecttree.combo.js b/src/widget/selecttree/selecttree.combo.js
index c22524983..d5e30c98e 100644
--- a/src/widget/selecttree/selecttree.combo.js
+++ b/src/widget/selecttree/selecttree.combo.js
@@ -11,9 +11,6 @@ BI.SelectTreeCombo = BI.inherit(BI.Widget, {
             text: "",
             items: [],
             value: "",
-            attributes: {
-                tabIndex: 0
-            }
         });
     },
 
diff --git a/src/widget/singleselect/singleselect.combo.js b/src/widget/singleselect/singleselect.combo.js
index 5edcf4422..749569b0e 100644
--- a/src/widget/singleselect/singleselect.combo.js
+++ b/src/widget/singleselect/singleselect.combo.js
@@ -12,9 +12,6 @@ BI.SingleSelectCombo = BI.inherit(BI.Single, {
             itemsCreator: BI.emptyFn,
             valueFormatter: BI.emptyFn,
             height: 24,
-            attributes: {
-                tabIndex: 0
-            },
             allowEdit: true
         });
     },
diff --git a/src/widget/singleselect/singleselect.insert.combo.js b/src/widget/singleselect/singleselect.insert.combo.js
index 404350b6f..9a2ce8833 100644
--- a/src/widget/singleselect/singleselect.insert.combo.js
+++ b/src/widget/singleselect/singleselect.insert.combo.js
@@ -12,9 +12,6 @@ BI.SingleSelectInsertCombo = BI.inherit(BI.Single, {
             itemsCreator: BI.emptyFn,
             valueFormatter: BI.emptyFn,
             height: 24,
-            attributes: {
-                tabIndex: 0
-            },
             allowEdit: true
         });
     },
diff --git a/src/widget/singletree/singletree.combo.js b/src/widget/singletree/singletree.combo.js
index 3398ed97c..858fd3f70 100644
--- a/src/widget/singletree/singletree.combo.js
+++ b/src/widget/singletree/singletree.combo.js
@@ -12,9 +12,6 @@ BI.SingleTreeCombo = BI.inherit(BI.Widget, {
             text: "",
             items: [],
             value: "",
-            attributes: {
-                tabIndex: 0
-            }
         });
     },
 
diff --git a/src/widget/textvaluedownlistcombo/combo.textvaluedownlist.js b/src/widget/textvaluedownlistcombo/combo.textvaluedownlist.js
index eb7242cde..67720c572 100644
--- a/src/widget/textvaluedownlistcombo/combo.textvaluedownlist.js
+++ b/src/widget/textvaluedownlistcombo/combo.textvaluedownlist.js
@@ -7,9 +7,6 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
         return BI.extend(BI.TextValueDownListCombo.superclass._defaultConfig.apply(this, arguments), {
             baseCls: "bi-text-value-down-list-combo bi-border bi-focus-shadow",
             height: 24,
-            attributes: {
-                tabIndex: 0
-            }
         });
     },
 
diff --git a/src/widget/time/time.combo.js b/src/widget/time/time.combo.js
index f78ba22db..f79675f27 100644
--- a/src/widget/time/time.combo.js
+++ b/src/widget/time/time.combo.js
@@ -13,14 +13,16 @@
             border: 1
         },
         props: {
-            baseCls: "bi-time-combo bi-border bi-border-radius bi-focus-shadow",
-            // width: 78,
-            // height: 22,
+            baseCls: "bi-time-combo",
+            height: 24,
             format: "",
             allowEdit: false,
-            attributes: {
-                tabIndex: 0
-            }
+        },
+
+        _init: function () {
+            var o = this.options;
+            o.height -= 2;
+            BI.TimeCombo.superclass._init.apply(this, arguments);
         },
 
         render: function () {
@@ -62,6 +64,7 @@
                     items: [{
                         el: {
                             type: "bi.combo",
+                            cls: "bi-border bi-border-radius bi-focus-shadow",
                             container: opts.container,
                             toggle: false,
                             isNeedAdjustHeight: false,
@@ -167,7 +170,7 @@
                         },
                         top: 0,
                         left: 0,
-                        right: 22,
+                        right: 0,
                         bottom: 0
                     }, {
                         el: {