diff --git a/demo/js/base/button/demo.button.js b/demo/js/base/button/demo.button.js
index 400559566..110431afb 100644
--- a/demo/js/base/button/demo.button.js
+++ b/demo/js/base/button/demo.button.js
@@ -256,6 +256,17 @@ Demo.Button = BI.inherit(BI.Widget, {
                 iconGap: 24,
                 iconPosition: "top"
             }
+        },{
+            el: {
+                type: "bi.button",
+                text: "自动撑开高度",
+                iconCls: "close-font",
+                textHeight: 32,
+                iconGap: 24,
+                vgap: 16,
+                hgap: 100,
+                iconPosition: "top"
+            }
         }, {
             el: {
                 type: "bi.button",
@@ -376,6 +387,21 @@ Demo.Button = BI.inherit(BI.Widget, {
                 plain: true,
                 disabled: true
             }
+        }, {
+            el: {
+                type: "bi.button",
+                iconCls: "plus-font",
+                text: "点我，更改图标",
+                handler() {
+                    this.i =  this.i === undefined ? 0 : ++this.i;
+                    const arr = ["text-background-font", "check-mark-ha-font", "close-font", "search-font", "date-change-h-font"];
+                    if(this.i >= arr.length) {
+                        this.i = 0;
+                    }
+                    this.setIcon(arr[this.i]);
+                },
+                height: 24
+            }
         }];
         // BI.each(items, function (i, item) {
         //     item.el.handler = function () {
diff --git a/package.json b/package.json
index 84cbf8cc1..b80b3cd54 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "fineui",
-  "version": "2.0.20220621140421",
+  "version": "2.0.20220623154535",
   "description": "fineui",
   "main": "dist/fineui.min.js",
   "types": "dist/lib/index.d.ts",
diff --git a/src/base/single/button/buttons/button.js b/src/base/single/button/buttons/button.js
index 78e910f7c..d7f875b8f 100644
--- a/src/base/single/button/buttons/button.js
+++ b/src/base/single/button/buttons/button.js
@@ -14,20 +14,29 @@
     BI.Button = BI.inherit(BI.BasicButton, {
 
         _const: {
-            iconWidth: 16
+            iconWidth: 18
         },
 
         _defaultConfig: function (props) {
             var conf = BI.Button.superclass._defaultConfig.apply(this, arguments);
 
+            var adaptiveHeight = 0;
+            if (isVertical(props.iconPosition)) {
+                // 图标高度和文字高度默认相等
+                adaptiveHeight += (props.textHeight || 16) * 2;
+                adaptiveHeight += props.iconGap || 4;
+                var tGap = props.tgap || props.vgap || 2;
+                var bGap = props.bgap || props.vgap || 2;
+                adaptiveHeight += (tGap + bGap);
+            }
+
             return BI.extend(conf, {
                 baseCls: (conf.baseCls || "") + " bi-button" + ((BI.isIE() && BI.isIE9Below()) ? " hack" : ""),
                 attributes: {
                     tabIndex: 1
                 },
                 minWidth: (props.block === true || props.clear === true) ? 0 : 80,
-                // 44 = 垂直间距 6 + 边框 2 + 图标 16 + 图标和文字间隔 8 + 文字 12
-                height: isVertical(props.iconPosition) ? 44 + ((props.iconGap || 8) - 8) : 24,
+                height: isVertical(props.iconPosition) ? adaptiveHeight : 24,
                 shadow: props.clear !== true,
                 isShadowShowingOnSelected: true,
                 readonly: true,
@@ -49,7 +58,7 @@
                 bgap: 0,
                 lgap: 0,
                 rgap: 0,
-                iconGap: 8,
+                iconGap: 4,
                 iconPosition: "left"
             });
         },
@@ -81,7 +90,10 @@
                     cls: o.iconCls,
                     width: this._const.iconWidth,
                     height: lineHeight,
-                    lineHeight: lineHeight
+                    lineHeight: lineHeight,
+                    // 不设置，自定义按钮无法居中
+                    iconWidth: o.iconWidth,
+                    iconHeight: o.iconHeight
                 });
                 this.text = BI.createWidget({
                     type: "bi.label",
@@ -195,6 +207,14 @@
             }
         },
 
+        setIcon: function (cls) {
+            var o = this.options;
+            if (this.icon && o.iconCls !== cls) {
+                this.icon.element.removeClass(o.iconCls).addClass(cls);
+                o.iconCls = cls;
+            }
+        },
+
         doRedMark: function () {
             this.text.doRedMark.apply(this.text, arguments);
         },
diff --git a/src/less/image.less b/src/less/image.less
index bd2bcfabc..34be5fe1d 100644
--- a/src/less/image.less
+++ b/src/less/image.less
@@ -333,7 +333,7 @@
   @font-face {
     font-family: "@{name}";
     src: url('@{fontUrl}iconfont.eot');
-    src: url('@{fontUrl}iconfont.eot?#iefix') format('embedded-opentype'), /* IE6-IE8 */ url('@{fontUrl}iconfont.woff') format('woff'), /* chrome、firefox */ url('@{fontUrl}iconfont.ttf') format('truetype'), /* chrome、firefox、opera、Safari, Android, iOS 4.2+*/ url('@{fontUrl}iconfont.svg#svgFontName') format('svg'); /*  iOS 4.1- */
+    src: url('@{fontUrl}iconfont.woff') format('woff'), /* chrome、firefox */ url('@{fontUrl}iconfont.ttf') format('truetype'), /* chrome、firefox、opera、Safari, Android, iOS 4.2+*/ url('@{fontUrl}iconfont.svg#svgFontName') format('svg'); /*  iOS 4.1- */
   }
 }