diff --git a/bi/core.js b/bi/core.js
index af4d547e47..7d6a750201 100644
--- a/bi/core.js
+++ b/bi/core.js
@@ -10403,6 +10403,19 @@ $.extend(BI, {
             } else {
                 return [sNodes];
             }
+        },
+
+        traversal: function (array, callback) {
+            if (BI.isNull(array)) {
+                return;
+            }
+            var self = this;
+            BI.any(array, function (i, item) {
+                if (callback(i, item) === false) {
+                    return true;
+                }
+                self.traversal(item.children, callback);
+            })
         }
     })
 })();//向量操作
diff --git a/bi/polyfill.js b/bi/polyfill.js
new file mode 100644
index 0000000000..854ed288f6
--- /dev/null
+++ b/bi/polyfill.js
@@ -0,0 +1,93 @@
+if(![].indexOf){
+    /**
+     * 检查指定的值是否在数组中
+     * @param {Object} o 要检查的值
+     * @return {Number}  o在数组中的索引（如果不在数组中则返回-1）
+     */
+    [].indexOf = function (o) {
+        for (var i = 0, len = this.length; i < len; i++) {
+            if (_.isEqual(o, this[i])) {
+                return i;
+            }
+        }
+        return -1;
+    }
+}
+if(![].lastIndexOf){
+    /**
+     * 检查指定的值是否在数组中
+     * ie67不支持数组的这个方法
+     * @param {Object} o 要检查的值
+     * @return {Number}  o在数组中的索引（如果不在数组中则返回-1）
+     */
+    [].lastIndexOf = function (o) {
+        for (var len = this.length, i = len - 1; i >= 0; i--) {
+            if (_.isEqual(o, this[i])) {
+                return i;
+            }
+        }
+        return -1;
+    }
+}/**
+ * 特殊情况
+ * Created by wang on 15/6/23.
+ */
+//解决console未定义问题 guy
+window.console = window.console || (function () {
+        var c = {};
+        c.log = c.warn = c.debug = c.info = c.error = c.time = c.dir = c.profile
+            = c.clear = c.exception = c.trace = c.assert = function () {
+        };
+        return c;
+    })();
+/*
+ * 前端缓存
+ */
+window.localStorage || (window.localStorage = {
+    items: {},
+    setItem: function (k, v) {
+        BI.Cache.addCookie(k, v);
+    },
+    getItem: function (k) {
+        return BI.Cache.getCookie(k);
+    },
+    removeItem: function (k) {
+        BI.Cache.deleteCookie(k);
+    },
+    key: function () {
+
+    },
+    clear: function () {
+        this.items = {};
+    }
+});//修复ie9下sort方法的bug
+!function (window) {
+    var ua = window.navigator.userAgent.toLowerCase(),
+        reg = /msie|applewebkit.+safari/;
+    if (reg.test(ua)) {
+        var _sort = Array.prototype.sort;
+        Array.prototype.sort = function (fn) {
+            if (!!fn && typeof fn === 'function') {
+                if (this.length < 2) {
+                    return this;
+                }
+                var i = 0, j = i + 1, l = this.length, tmp, r = false, t = 0;
+                for (; i < l; i++) {
+                    for (j = i + 1; j < l; j++) {
+                        t = fn.call(this, this[i], this[j]);
+                        r = (typeof t === 'number' ? t :
+                                !!t ? 1 : 0) > 0;
+                        if (r === true) {
+                            tmp = this[i];
+                            this[i] = this[j];
+                            this[j] = tmp;
+                        }
+                    }
+                }
+                return this;
+            } else {
+                return _sort.call(this);
+            }
+        };
+    }
+}(window);
\ No newline at end of file
diff --git a/docs/core.js b/docs/core.js
index e1ec3a400f..14ffbdf521 100644
--- a/docs/core.js
+++ b/docs/core.js
@@ -18862,6 +18862,19 @@ $.extend(BI, {
             } else {
                 return [sNodes];
             }
+        },
+
+        traversal: function (array, callback) {
+            if (BI.isNull(array)) {
+                return;
+            }
+            var self = this;
+            BI.any(array, function (i, item) {
+                if (callback(i, item) === false) {
+                    return true;
+                }
+                self.traversal(item.children, callback);
+            })
         }
     })
 })();//向量操作
diff --git a/docs/polyfill.js b/docs/polyfill.js
new file mode 100644
index 0000000000..854ed288f6
--- /dev/null
+++ b/docs/polyfill.js
@@ -0,0 +1,93 @@
+if(![].indexOf){
+    /**
+     * 检查指定的值是否在数组中
+     * @param {Object} o 要检查的值
+     * @return {Number}  o在数组中的索引（如果不在数组中则返回-1）
+     */
+    [].indexOf = function (o) {
+        for (var i = 0, len = this.length; i < len; i++) {
+            if (_.isEqual(o, this[i])) {
+                return i;
+            }
+        }
+        return -1;
+    }
+}
+if(![].lastIndexOf){
+    /**
+     * 检查指定的值是否在数组中
+     * ie67不支持数组的这个方法
+     * @param {Object} o 要检查的值
+     * @return {Number}  o在数组中的索引（如果不在数组中则返回-1）
+     */
+    [].lastIndexOf = function (o) {
+        for (var len = this.length, i = len - 1; i >= 0; i--) {
+            if (_.isEqual(o, this[i])) {
+                return i;
+            }
+        }
+        return -1;
+    }
+}/**
+ * 特殊情况
+ * Created by wang on 15/6/23.
+ */
+//解决console未定义问题 guy
+window.console = window.console || (function () {
+        var c = {};
+        c.log = c.warn = c.debug = c.info = c.error = c.time = c.dir = c.profile
+            = c.clear = c.exception = c.trace = c.assert = function () {
+        };
+        return c;
+    })();
+/*
+ * 前端缓存
+ */
+window.localStorage || (window.localStorage = {
+    items: {},
+    setItem: function (k, v) {
+        BI.Cache.addCookie(k, v);
+    },
+    getItem: function (k) {
+        return BI.Cache.getCookie(k);
+    },
+    removeItem: function (k) {
+        BI.Cache.deleteCookie(k);
+    },
+    key: function () {
+
+    },
+    clear: function () {
+        this.items = {};
+    }
+});//修复ie9下sort方法的bug
+!function (window) {
+    var ua = window.navigator.userAgent.toLowerCase(),
+        reg = /msie|applewebkit.+safari/;
+    if (reg.test(ua)) {
+        var _sort = Array.prototype.sort;
+        Array.prototype.sort = function (fn) {
+            if (!!fn && typeof fn === 'function') {
+                if (this.length < 2) {
+                    return this;
+                }
+                var i = 0, j = i + 1, l = this.length, tmp, r = false, t = 0;
+                for (; i < l; i++) {
+                    for (j = i + 1; j < l; j++) {
+                        t = fn.call(this, this[i], this[j]);
+                        r = (typeof t === 'number' ? t :
+                                !!t ? 1 : 0) > 0;
+                        if (r === true) {
+                            tmp = this[i];
+                            this[i] = this[j];
+                            this[j] = tmp;
+                        }
+                    }
+                }
+                return this;
+            } else {
+                return _sort.call(this);
+            }
+        };
+    }
+}(window);
\ No newline at end of file
diff --git a/src/core/utils/tree.js b/src/core/utils/tree.js
index 51ac0f23ba..139dedce12 100644
--- a/src/core/utils/tree.js
+++ b/src/core/utils/tree.js
@@ -464,6 +464,19 @@
             } else {
                 return [sNodes];
             }
+        },
+
+        traversal: function (array, callback) {
+            if (BI.isNull(array)) {
+                return;
+            }
+            var self = this;
+            BI.any(array, function (i, item) {
+                if (callback(i, item) === false) {
+                    return true;
+                }
+                self.traversal(item.children, callback);
+            })
         }
     })
 })();
\ No newline at end of file