diff --git a/dist/bundle.css b/dist/bundle.css
index ff343eb1e..eb6cd73f6 100644
--- a/dist/bundle.css
+++ b/dist/bundle.css
@@ -5597,16 +5597,6 @@ textarea::-webkit-scrollbar-thumb:hover {
   content: "\e75e";
   color: inherit;
 }
-.less-font:hover .b-font:before,
-.less-font.hover .b-font:before {
-  content: "\e75e";
-  color: inherit;
-}
-.less-font:active .b-font:before,
-.less-font.active .b-font:before {
-  content: "\e75e";
-  color: #3f8ce8;
-}
 .less-font.disabled .b-font:before {
   content: "\e75e";
   color: inherit;
@@ -5618,16 +5608,6 @@ textarea::-webkit-scrollbar-thumb:hover {
   content: "\e761";
   color: inherit;
 }
-.less-equal-font:hover .b-font:before,
-.less-equal-font.hover .b-font:before {
-  content: "\e761";
-  color: inherit;
-}
-.less-equal-font:active .b-font:before,
-.less-equal-font.active .b-font:before {
-  content: "\e761";
-  color: #3f8ce8;
-}
 .less-equal-font.disabled .b-font:before {
   content: "\e761";
   color: inherit;
diff --git a/dist/fineui.css b/dist/fineui.css
index fe5e9ec9d..69be45d6a 100644
--- a/dist/fineui.css
+++ b/dist/fineui.css
@@ -5597,16 +5597,6 @@ textarea::-webkit-scrollbar-thumb:hover {
   content: "\e75e";
   color: inherit;
 }
-.less-font:hover .b-font:before,
-.less-font.hover .b-font:before {
-  content: "\e75e";
-  color: inherit;
-}
-.less-font:active .b-font:before,
-.less-font.active .b-font:before {
-  content: "\e75e";
-  color: #3f8ce8;
-}
 .less-font.disabled .b-font:before {
   content: "\e75e";
   color: inherit;
@@ -5618,16 +5608,6 @@ textarea::-webkit-scrollbar-thumb:hover {
   content: "\e761";
   color: inherit;
 }
-.less-equal-font:hover .b-font:before,
-.less-equal-font.hover .b-font:before {
-  content: "\e761";
-  color: inherit;
-}
-.less-equal-font:active .b-font:before,
-.less-equal-font.active .b-font:before {
-  content: "\e761";
-  color: #3f8ce8;
-}
 .less-equal-font.disabled .b-font:before {
   content: "\e761";
   color: inherit;
diff --git a/dist/fineui.js b/dist/fineui.js
index ac91f5e3f..c314050e1 100644
--- a/dist/fineui.js
+++ b/dist/fineui.js
@@ -106,35 +106,7 @@ window.console = window.console || (function () {
         };
     return c;
 })();
-if (!Function.prototype.bind) {
-    Function.prototype.bind = function(oThis) {
-        if (typeof this !== 'function') {
-            // closest thing possible to the ECMAScript 5
-            // internal IsCallable function
-            throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable');
-        }
-
-        var aArgs   = Array.prototype.slice.call(arguments, 1),
-            fToBind = this,
-            fNOP    = function() {},
-            fBound  = function() {
-                return fToBind.apply(this instanceof fNOP
-                        ? this
-                        : oThis,
-                    // 获取调用时(fBound)的传参.bind 返回的函数入参往往是这么传递的
-                    aArgs.concat(Array.prototype.slice.call(arguments)));
-            };
-
-        // 维护原型关系
-        if (this.prototype) {
-            // Function.prototype doesn't have a prototype property
-            fNOP.prototype = this.prototype;
-        }
-        fBound.prototype = new fNOP();
-
-        return fBound;
-    };
-}/*
+/*
  * 前端缓存
  */
 window.localStorage || (window.localStorage = {
diff --git a/dist/polyfill.js b/dist/polyfill.js
index 873b2eaa9..5d0f5add7 100644
--- a/dist/polyfill.js
+++ b/dist/polyfill.js
@@ -106,35 +106,7 @@ window.console = window.console || (function () {
         };
     return c;
 })();
-if (!Function.prototype.bind) {
-    Function.prototype.bind = function(oThis) {
-        if (typeof this !== 'function') {
-            // closest thing possible to the ECMAScript 5
-            // internal IsCallable function
-            throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable');
-        }
-
-        var aArgs   = Array.prototype.slice.call(arguments, 1),
-            fToBind = this,
-            fNOP    = function() {},
-            fBound  = function() {
-                return fToBind.apply(this instanceof fNOP
-                        ? this
-                        : oThis,
-                    // 获取调用时(fBound)的传参.bind 返回的函数入参往往是这么传递的
-                    aArgs.concat(Array.prototype.slice.call(arguments)));
-            };
-
-        // 维护原型关系
-        if (this.prototype) {
-            // Function.prototype doesn't have a prototype property
-            fNOP.prototype = this.prototype;
-        }
-        fBound.prototype = new fNOP();
-
-        return fBound;
-    };
-}/*
+/*
  * 前端缓存
  */
 window.localStorage || (window.localStorage = {
diff --git a/dist/resource.css b/dist/resource.css
index 1621196c1..61373d513 100644
--- a/dist/resource.css
+++ b/dist/resource.css
@@ -1035,16 +1035,6 @@ textarea::-webkit-scrollbar-thumb:hover {
   content: "\e75e";
   color: inherit;
 }
-.less-font:hover .b-font:before,
-.less-font.hover .b-font:before {
-  content: "\e75e";
-  color: inherit;
-}
-.less-font:active .b-font:before,
-.less-font.active .b-font:before {
-  content: "\e75e";
-  color: #3f8ce8;
-}
 .less-font.disabled .b-font:before {
   content: "\e75e";
   color: inherit;
@@ -1056,16 +1046,6 @@ textarea::-webkit-scrollbar-thumb:hover {
   content: "\e761";
   color: inherit;
 }
-.less-equal-font:hover .b-font:before,
-.less-equal-font.hover .b-font:before {
-  content: "\e761";
-  color: inherit;
-}
-.less-equal-font:active .b-font:before,
-.less-equal-font.active .b-font:before {
-  content: "\e761";
-  color: #3f8ce8;
-}
 .less-equal-font.disabled .b-font:before {
   content: "\e761";
   color: inherit;
diff --git a/public/css/font.css b/public/css/font.css
index bd9918492..6756b550b 100644
--- a/public/css/font.css
+++ b/public/css/font.css
@@ -699,16 +699,6 @@
   content: "\e75e";
   color: inherit;
 }
-.less-font:hover .b-font:before,
-.less-font.hover .b-font:before {
-  content: "\e75e";
-  color: inherit;
-}
-.less-font:active .b-font:before,
-.less-font.active .b-font:before {
-  content: "\e75e";
-  color: #3f8ce8;
-}
 .less-font.disabled .b-font:before {
   content: "\e75e";
   color: inherit;
@@ -720,16 +710,6 @@
   content: "\e761";
   color: inherit;
 }
-.less-equal-font:hover .b-font:before,
-.less-equal-font.hover .b-font:before {
-  content: "\e761";
-  color: inherit;
-}
-.less-equal-font:active .b-font:before,
-.less-equal-font.active .b-font:before {
-  content: "\e761";
-  color: #3f8ce8;
-}
 .less-equal-font.disabled .b-font:before {
   content: "\e761";
   color: inherit;
diff --git a/src/css/resource/font.css b/src/css/resource/font.css
index 44359228b..11edc90a0 100644
--- a/src/css/resource/font.css
+++ b/src/css/resource/font.css
@@ -699,16 +699,6 @@
   content: "\e75e";
   color: inherit;
 }
-.less-font:hover .b-font:before,
-.less-font.hover .b-font:before {
-  content: "\e75e";
-  color: inherit;
-}
-.less-font:active .b-font:before,
-.less-font.active .b-font:before {
-  content: "\e75e";
-  color: #3f8ce8;
-}
 .less-font.disabled .b-font:before {
   content: "\e75e";
   color: inherit;
@@ -720,16 +710,6 @@
   content: "\e761";
   color: inherit;
 }
-.less-equal-font:hover .b-font:before,
-.less-equal-font.hover .b-font:before {
-  content: "\e761";
-  color: inherit;
-}
-.less-equal-font:active .b-font:before,
-.less-equal-font.active .b-font:before {
-  content: "\e761";
-  color: #3f8ce8;
-}
 .less-equal-font.disabled .b-font:before {
   content: "\e761";
   color: inherit;
diff --git a/src/less/resource/font.less b/src/less/resource/font.less
index fc1e23ad5..f7f944d41 100644
--- a/src/less/resource/font.less
+++ b/src/less/resource/font.less
@@ -93,8 +93,8 @@
 .font(drag-tag-font, @font-cross, @color-bi-text-redmark);
 
 //数值区间
-.font-hover-active(less-font, @font-less);
-.font-hover-active(less-equal-font, @font-less-equal);
+.font(less-font, @font-less);
+.font(less-equal-font, @font-less-equal);
 
 //文本控件
 .font(text-bold-font, @font-bold);
diff --git a/src/polyfill/function.js b/src/polyfill/function.js
deleted file mode 100644
index 91570345a..000000000
--- a/src/polyfill/function.js
+++ /dev/null
@@ -1,29 +0,0 @@
-if (!Function.prototype.bind) {
-    Function.prototype.bind = function(oThis) {
-        if (typeof this !== 'function') {
-            // closest thing possible to the ECMAScript 5
-            // internal IsCallable function
-            throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable');
-        }
-
-        var aArgs   = Array.prototype.slice.call(arguments, 1),
-            fToBind = this,
-            fNOP    = function() {},
-            fBound  = function() {
-                return fToBind.apply(this instanceof fNOP
-                        ? this
-                        : oThis,
-                    // 获取调用时(fBound)的传参.bind 返回的函数入参往往是这么传递的
-                    aArgs.concat(Array.prototype.slice.call(arguments)));
-            };
-
-        // 维护原型关系
-        if (this.prototype) {
-            // Function.prototype doesn't have a prototype property
-            fNOP.prototype = this.prototype;
-        }
-        fBound.prototype = new fNOP();
-
-        return fBound;
-    };
-}
\ No newline at end of file
diff --git a/ui/css/font.css b/ui/css/font.css
index 24a690f96..59a0c2631 100644
--- a/ui/css/font.css
+++ b/ui/css/font.css
@@ -699,16 +699,6 @@
   content: "\e75e";
   color: inherit;
 }
-.less-font:hover .b-font:before,
-.less-font.hover .b-font:before {
-  content: "\e75e";
-  color: inherit;
-}
-.less-font:active .b-font:before,
-.less-font.active .b-font:before {
-  content: "\e75e";
-  color: #3f8ce8;
-}
 .less-font.disabled .b-font:before {
   content: "\e75e";
   color: inherit;
@@ -720,16 +710,6 @@
   content: "\e761";
   color: inherit;
 }
-.less-equal-font:hover .b-font:before,
-.less-equal-font.hover .b-font:before {
-  content: "\e761";
-  color: inherit;
-}
-.less-equal-font:active .b-font:before,
-.less-equal-font.active .b-font:before {
-  content: "\e761";
-  color: #3f8ce8;
-}
 .less-equal-font.disabled .b-font:before {
   content: "\e761";
   color: inherit;