diff --git a/package.json b/package.json
index a727f140b..5cb32aad7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "fineui",
-  "version": "2.0.20220217230329",
+  "version": "2.0.20220222143230",
   "description": "fineui",
   "main": "dist/fineui.min.js",
   "types": "dist/lib/index.d.ts",
diff --git a/src/base/combination/group.virtual.js b/src/base/combination/group.virtual.js
index ed21ba209..ab9b20c07 100644
--- a/src/base/combination/group.virtual.js
+++ b/src/base/combination/group.virtual.js
@@ -109,7 +109,9 @@ BI.VirtualGroup = BI.inherit(BI.Widget, {
         if (!this.layouts) {
             this.layouts = BI.createWidget(BI.extend({element: this}, this._packageLayout(items)));
         } else {
-            this.layouts.populate(items);
+            this.layouts.populate(items, {
+                context: this
+            });
         }
     }
 });
diff --git a/src/base/layer/layer.popover.js b/src/base/layer/layer.popover.js
index 646758527..9109a9a4e 100644
--- a/src/base/layer/layer.popover.js
+++ b/src/base/layer/layer.popover.js
@@ -75,6 +75,8 @@ BI.Popover = BI.inherit(BI.Widget, {
                                 title: o.header,
                                 textAlign: "left"
                             },
+                            top: 0,
+                            bottom: 0,
                             left: BI.SIZE_CONSANTS.H_GAP_SIZE,
                             right: o.closable ? 0 : BI.SIZE_CONSANTS.H_GAP_SIZE
                         }]
diff --git a/src/case/ztree/0.treeview.js b/src/case/ztree/0.treeview.js
index aa0c502a4..79ffd5bb6 100644
--- a/src/case/ztree/0.treeview.js
+++ b/src/case/ztree/0.treeview.js
@@ -357,15 +357,20 @@ BI.TreeView = BI.inherit(BI.Pane, {
             if (BI.isNull(n.title)) {
                 n.title = n.text;
             }
+            if (n.disabled) {
+                n.title = n.warningTitle || n.title;
+            }
             var text = BI.createWidget(BI.extend({
-                type: "bi.text",
                 cls: "tree-node-text",
                 css: {
                     display: "inline"
                 },
                 whiteSpace: "nowrap",
-                root: true
-            }, n));
+                root: true,
+                keyword: o.paras.keyword
+            }, n, {
+                type: "bi.text"
+            }));
             var fragment = BI.Widget._renderEngine.createElement("<div>");
             fragment.append(text.element[0]);
             n.text = fragment.html();
diff --git a/src/component/form/form.field.js b/src/component/form/form.field.js
index ab7e98ffc..e6c11a924 100644
--- a/src/component/form/form.field.js
+++ b/src/component/form/form.field.js
@@ -3,13 +3,16 @@
  * @version 2.0
  * Created by windy on 2022/1/11
  */
-BI.FormField = BI.inherit(BI.Widget, {
+ BI.FormField = BI.inherit(BI.Widget, {
 
     props: {
         baseCls: "bi-form-field",
         label: "",
         el: {},
-        validate: BI.emptyFn
+        labelAlign: "right", // 文字默认右对齐
+        validate: function () {
+            return true;
+        } // 默认返回true
     },
 
     render: function () {
@@ -24,7 +27,7 @@ BI.FormField = BI.inherit(BI.Widget, {
                         o.el.ref && o.el.ref.call(this, _ref);
                     },
                     height: o.el.height || 28,
-                    listeners: [{
+                    listeners: BI.concat(o.el.listeners, [{
                         eventName: "EVENT_CHANGE",
                         action: function () {
                             self.fireEvent("EVENT_CHANGE");
@@ -32,9 +35,9 @@ BI.FormField = BI.inherit(BI.Widget, {
                     }, {
                         eventName: "EVENT_CONFIRM",
                         action: function () {
-                            self.fireEvent("EVENT_CHANGE");
+                            self.fireEvent("EVENT_CONFIRM");
                         }
-                    }]
+                    }])
                 }),
                 left: 0,
                 bottom: 0,
@@ -60,11 +63,14 @@ BI.FormField = BI.inherit(BI.Widget, {
             type: "bi.vertical_adapt",
             columnSize: ["auto", "fill"],
             verticalAlign: BI.VerticalAlign.Stretch,
-            hgap: 5,
             items: BI.isKey(o.label) ? [{
-                type: "bi.label",
-                text: o.label + ":",
-                width: o.labelWidth
+                el: {
+                    type: "bi.label",
+                    textAlign: o.labelAlign,
+                    text: o.label,
+                    width: o.labelWidth,
+                    rgap: 20 // 表单文字与右侧输入间距均为20px
+                }
             }, field] : [field]
         };
     },
@@ -77,7 +83,7 @@ BI.FormField = BI.inherit(BI.Widget, {
         var isValid = this.validateWithNoTip();
         !isValid && this.error.setText(this.options.tip(this.field.getValue(), this.field));
         this.error.setVisible(!isValid);
-        this.element[isValid ? "removeClass" : "addClass"]("error");
+        this.field.element[isValid ? "removeClass" : "addClass"]("bi-error");
 
         return isValid;
     },
diff --git a/src/component/form/form.js b/src/component/form/form.js
index 12d1a651b..87cd64236 100644
--- a/src/component/form/form.js
+++ b/src/component/form/form.js
@@ -3,10 +3,11 @@
  * @version 2.0
  * Created by windy on 2022/1/11
  */
-BI.Form = BI.inherit(BI.Widget, {
+ BI.Form = BI.inherit(BI.Widget, {
 
     props: {
         baseCls: "bi-form",
+        labelAlign: "right",
         layout: {
             type: "bi.vertical",
             vgap: 20
@@ -40,6 +41,7 @@ BI.Form = BI.inherit(BI.Widget, {
             return {
                 type: "bi.form_field",
                 height: item.el.height || 28,
+                labelAlign: o.labelAlign,
                 labelWidth: o.labelWidth,
                 el: item.el,
                 label: item.label,
diff --git a/src/core/wrapper/layout.js b/src/core/wrapper/layout.js
index 4c94198ff..f4f32cfdd 100644
--- a/src/core/wrapper/layout.js
+++ b/src/core/wrapper/layout.js
@@ -492,7 +492,7 @@ BI.Layout = BI.inherit(BI.Widget, {
         }
     },
 
-    updateChildren: function (oldCh, newCh) {
+    updateChildren: function (oldCh, newCh, context) {
         var self = this;
         var oldStartIdx = 0, newStartIdx = 0;
         var oldEndIdx = oldCh.length - 1;
@@ -546,7 +546,7 @@ BI.Layout = BI.inherit(BI.Widget, {
             } else {
                 var sameOldVnode = findOldVnode(oldCh, newStartVnode, oldStartIdx, oldEndIdx);
                 if (BI.isNull(sameOldVnode[0])) {  //  不存在就把新的放到左边
-                    var node = addNode(newStartVnode, newStartIdx);
+                    var node = addNode(newStartVnode, newStartIdx, context);
                     insertBefore(node, oldStartVnode);
                 } else {   //  如果新节点在旧节点区间中存在就复用一下
                     var sameOldIndex = sameOldVnode[1];
@@ -561,7 +561,7 @@ BI.Layout = BI.inherit(BI.Widget, {
         }
         if (oldStartIdx > oldEndIdx) {
             before = BI.isNull(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1];
-            addVnodes(before, newCh, newStartIdx, newEndIdx);
+            addVnodes(before, newCh, newStartIdx, newEndIdx, context);
         } else if (newStartIdx > newEndIdx) {
             removeVnodes(oldCh, oldStartIdx, oldEndIdx);
         }
@@ -586,15 +586,15 @@ BI.Layout = BI.inherit(BI.Widget, {
             }
         }
 
-        function addNode (vnode, index) {
+        function addNode (vnode, index, context) {
             var opt = self._getOptions(vnode);
             var key = opt.key == null ? index : opt.key;
-            return children[key] = self._newElement(index, vnode);
+            return children[key] = self._newElement(index, vnode, context);
         }
 
-        function addVnodes (before, vnodes, startIdx, endIdx) {
+        function addVnodes (before, vnodes, startIdx, endIdx, context) {
             for (; startIdx <= endIdx; ++startIdx) {
-                var node = addNode(vnodes[startIdx], startIdx);
+                var node = addNode(vnodes[startIdx], startIdx, context);
                 insertBefore(node, before, false, startIdx);
             }
         }
@@ -662,16 +662,18 @@ BI.Layout = BI.inherit(BI.Widget, {
     update: function (opt) {
         var o = this.options;
         var items = opt.items || [];
+        var context = opt.context;
         var oldItems = o.items;
         this.options.items = items;
-        return this.updateChildren(oldItems, items);
+        return this.updateChildren(oldItems, items, context);
     },
 
-    stroke: function (items) {
+    stroke: function (items, options) {
+        options = options || {};
         var self = this;
         BI.each(items, function (i, item) {
             if (item) {
-                self._addElement(i, item);
+                self._addElement(i, item, options.context);
             }
         });
     },
@@ -702,14 +704,18 @@ BI.Layout = BI.inherit(BI.Widget, {
         this.options.items = [];
     },
 
-    populate: function (items) {
+    populate: function (items, options) {
         items = items || [];
+        options = options || {};
         if (this._isMounted) {
-            this.update({items: items});
+            this.update({
+                items: items,
+                context: options.context
+            });
             return;
         }
         this.options.items = items;
-        this.stroke(items);
+        this.stroke(items, options);
     },
 
     resize: function () {
diff --git a/src/widget/singleslider/singleslider.js b/src/widget/singleslider/singleslider.js
index f0fa756b2..ea51dbace 100644
--- a/src/widget/singleslider/singleslider.js
+++ b/src/widget/singleslider/singleslider.js
@@ -127,7 +127,7 @@ BI.SingleSlider = BI.inherit(BI.Single, {
                 width: "100%"
             }, {
                 el: {
-                    type: "bi.vertical_adapt",
+                    type: "bi.vertical",
                     items: [{
                         type: "bi.horizontal_auto",
                         items: [this.label]