diff --git a/src/core/proto/array.js b/src/core/proto/array.js
deleted file mode 100644
index b5f7f65fb..000000000
--- a/src/core/proto/array.js
+++ /dev/null
@@ -1,38 +0,0 @@
-/**
- * 对数组对象的扩展
- * @class Array
- */
-_.extend(Array.prototype, {
-    contains: function (o) {
-        return this.indexOf(o) > -1;
-    },
-
-    /**
-     * 从数组中移除指定的值，如果值不在数组中，则不产生任何效果
-     * @param {Object} o 要移除的值
-     * @return {Array} 移除制定值后的数组
-     */
-    remove: function (o) {
-        var index = this.indexOf(o);
-        if (index !== -1) {
-            this.splice(index, 1);
-        }
-        return this;
-    },
-
-    pushArray: function (array) {
-        for (var i = 0; i < array.length; i++) {
-            this.push(array[i]);
-        }
-    },
-    pushDistinct: function (obj) {
-        if (!this.contains(obj)) {
-            this.push(obj);
-        }
-    },
-    pushDistinctArray: function (array) {
-        for (var i = 0, len = array.length; i < len; i++) {
-            this.pushDistinct(array[i]);
-        }
-    }
-});
diff --git a/src/core/proto/date.i18n.js b/src/core/proto/date.i18n.js
deleted file mode 100644
index fc3ce04c6..000000000
--- a/src/core/proto/date.i18n.js
+++ /dev/null
@@ -1,65 +0,0 @@
-BI.prepares.push(function () {
-    // 牵扯到国际化这些常量在页面加载后再生效
-    // full day names
-    Date._DN = [BI.i18nText("BI-Basic_Sunday"),
-        BI.i18nText("BI-Basic_Monday"),
-        BI.i18nText("BI-Basic_Tuesday"),
-        BI.i18nText("BI-Basic_Wednesday"),
-        BI.i18nText("BI-Basic_Thursday"),
-        BI.i18nText("BI-Basic_Friday"),
-        BI.i18nText("BI-Basic_Saturday"),
-        BI.i18nText("BI-Basic_Sunday")];
-
-    // short day names
-    Date._SDN = [BI.i18nText("BI-Basic_Simple_Sunday"),
-        BI.i18nText("BI-Basic_Simple_Monday"),
-        BI.i18nText("BI-Basic_Simple_Tuesday"),
-        BI.i18nText("BI-Basic_Simple_Wednesday"),
-        BI.i18nText("BI-Basic_Simple_Thursday"),
-        BI.i18nText("BI-Basic_Simple_Friday"),
-        BI.i18nText("BI-Basic_Simple_Saturday"),
-        BI.i18nText("BI-Basic_Simple_Sunday")];
-
-    // Monday first, etc.
-    Date._FD = 1;
-
-    // full month namesdat
-    Date._MN = [
-        BI.i18nText("BI-Basic_January"),
-        BI.i18nText("BI-Basic_February"),
-        BI.i18nText("BI-Basic_March"),
-        BI.i18nText("BI-Basic_April"),
-        BI.i18nText("BI-Basic_May"),
-        BI.i18nText("BI-Basic_June"),
-        BI.i18nText("BI-Basic_July"),
-        BI.i18nText("BI-Basic_August"),
-        BI.i18nText("BI-Basic_September"),
-        BI.i18nText("BI-Basic_October"),
-        BI.i18nText("BI-Basic_November"),
-        BI.i18nText("BI-Basic_December")];
-
-    // short month names
-    Date._SMN = [0,
-        1,
-        2,
-        3,
-        4,
-        5,
-        6,
-        7,
-        8,
-        9,
-        10,
-        11];
-
-    Date._QN = ["", BI.i18nText("BI-Quarter_1"),
-        BI.i18nText("BI-Quarter_2"),
-        BI.i18nText("BI-Quarter_3"),
-        BI.i18nText("BI-Quarter_4")];
-
-    /** Adds the number of days array to the Date object. */
-    Date._MD = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
-
-    // 实际上无论周几作为一周的第一天，周初周末都是在-6-0间做偏移，用一个数组就可以
-    Date._OFFSET = [0, -1, -2, -3, -4, -5, -6];
-});
\ No newline at end of file
diff --git a/src/core/proto/date.js b/src/core/proto/date.js
deleted file mode 100644
index c27231baa..000000000
--- a/src/core/proto/date.js
+++ /dev/null
@@ -1,216 +0,0 @@
-
-/** Constants used for time computations */
-Date.SECOND = 1000;
-Date.MINUTE = 60 * Date.SECOND;
-Date.HOUR = 60 * Date.MINUTE;
-Date.DAY = 24 * Date.HOUR;
-Date.WEEK = 7 * Date.DAY;
-
-/**
- * 获取时区
- * @returns {String}
- */
-Date.prototype.getTimezone = function () {
-    return this.toString().replace(/^.* (?:\((.*)\)|([A-Z]{1,4})(?:[\-+][0-9]{4})?(?: -?\d+)?)$/, "$1$2").replace(/[^A-Z]/g, "");
-};
-
-/** Returns the number of days in the current month */
-Date.prototype.getMonthDays = function (month) {
-    var year = this.getFullYear();
-    if (typeof month === "undefined") {
-        month = this.getMonth();
-    }
-    if (((0 == (year % 4)) && ( (0 != (year % 100)) || (0 == (year % 400)))) && month == 1) {
-        return 29;
-    }
-    return Date._MD[month];
-
-};
-
-/**
- * 获取每月的最后一天
- * @returns {Date}
- */
-Date.prototype.getLastDateOfMonth = function () {
-    return BI.getDate(this.getFullYear(), this.getMonth(), this.getMonthDays());
-};
-
-/** Returns the number of day in the year. */
-Date.prototype.getDayOfYear = function () {
-    var now = BI.getDate(this.getFullYear(), this.getMonth(), this.getDate(), 0, 0, 0);
-    var then = BI.getDate(this.getFullYear(), 0, 0, 0, 0, 0);
-    var time = now - then;
-    return Math.floor(time / Date.DAY);
-};
-
-/** Returns the number of the week in year, as defined in ISO 8601. */
-Date.prototype.getWeekNumber = function () {
-    var d = BI.getDate(this.getFullYear(), this.getMonth(), this.getDate(), 0, 0, 0);
-    var week = d.getDay();
-    var startOfWeek = BI.StartOfWeek % 7;
-    if (this.getMonth() === 0 && this.getDate() <= week) {
-        return 1;
-    }
-    d.setDate(this.getDate() - (week < startOfWeek ? (7 + week - startOfWeek) : (week - startOfWeek)));
-    var ms = d.valueOf(); // GMT
-    d.setMonth(0);
-    d.setDate(1);
-    var offset = Math.floor((ms - d.valueOf()) / (7 * 864e5)) + 1;
-    if (d.getDay() !== startOfWeek) {
-        offset++;
-    }
-    return offset;
-};
-
-Date.prototype.getQuarter = function () {
-    return Math.floor(this.getMonth() / 3) + 1;
-};
-
-// 离当前时间多少天的时间
-Date.prototype.getOffsetDate = function (offset) {
-    return BI.getDate(BI.getTime(this.getFullYear(), this.getMonth(), this.getDate(), this.getHours(), this.getMinutes(), this.getSeconds()) + offset * 864e5);
-};
-
-Date.prototype.getOffsetQuarter = function (n) {
-    var dt = BI.getDate(BI.getTime(this.getFullYear(), this.getMonth(), this.getDate(), this.getHours(), this.getMinutes(), this.getSeconds()));
-    var day = dt.getDate();
-    var monthDay = BI.getDate(dt.getFullYear(), dt.getMonth() + BI.parseInt(n) * 3, 1).getMonthDays();
-    if (day > monthDay) {
-        day = monthDay;
-    }
-    dt.setDate(day);
-    dt.setMonth(dt.getMonth() + parseInt(n) * 3);
-    return dt;
-};
-
-// 得到本季度的起始月份
-Date.prototype.getQuarterStartMonth = function () {
-    var quarterStartMonth = 0;
-    var nowMonth = this.getMonth();
-    if (nowMonth < 3) {
-        quarterStartMonth = 0;
-    }
-    if (2 < nowMonth && nowMonth < 6) {
-        quarterStartMonth = 3;
-    }
-    if (5 < nowMonth && nowMonth < 9) {
-        quarterStartMonth = 6;
-    }
-    if (nowMonth > 8) {
-        quarterStartMonth = 9;
-    }
-    return quarterStartMonth;
-};
-// 获得本季度的起始日期
-Date.prototype.getQuarterStartDate = function () {
-    return BI.getDate(this.getFullYear(), this.getQuarterStartMonth(), 1);
-};
-// 得到本季度的结束日期
-Date.prototype.getQuarterEndDate = function () {
-    var quarterEndMonth = this.getQuarterStartMonth() + 2;
-    return BI.getDate(this.getFullYear(), quarterEndMonth, this.getMonthDays(quarterEndMonth));
-};
-
-// 指定日期n个月之前或之后的日期
-Date.prototype.getOffsetMonth = function (n) {
-    var dt = BI.getDate(BI.getTime(this.getFullYear(), this.getMonth(), this.getDate(), this.getHours(), this.getMinutes(), this.getSeconds()));
-    var day = dt.getDate();
-    var monthDay = BI.getDate(dt.getFullYear(), dt.getMonth() + parseInt(n), 1).getMonthDays();
-    if (day > monthDay) {
-        day = monthDay;
-    }
-    dt.setDate(day);
-    dt.setMonth(dt.getMonth() + parseInt(n));
-    return dt;
-};
-
-// 获得本周的起始日期
-Date.prototype.getWeekStartDate = function () {
-    var w = this.getDay();
-    var startOfWeek = BI.StartOfWeek % 7;
-    return this.getOffsetDate(Date._OFFSET[w < startOfWeek ? (7 + w - startOfWeek) : (w - startOfWeek)]);
-};
-// 得到本周的结束日期
-Date.prototype.getWeekEndDate = function () {
-    var w = this.getDay();
-    var startOfWeek = BI.StartOfWeek % 7;
-    return this.getOffsetDate(Date._OFFSET[w < startOfWeek ? (7 + w - startOfWeek) : (w - startOfWeek)] + 6);
-};
-
-// 格式化打印日期
-Date.prototype.print = function (str) {
-    var m = this.getMonth();
-    var d = this.getDate();
-    var y = this.getFullYear();
-    var yWith4number = y + "";
-    while (yWith4number.length < 4) {
-        yWith4number = "0" + yWith4number;
-    }
-    var wn = this.getWeekNumber();
-    var qr = this.getQuarter();
-    var w = this.getDay();
-    var s = {};
-    var hr = this.getHours();
-    var pm = (hr >= 12);
-    var ir = (pm) ? (hr - 12) : hr;
-    var dy = this.getDayOfYear();
-    if (ir == 0) {
-        ir = 12;
-    }
-    var min = this.getMinutes();
-    var sec = this.getSeconds();
-    s["%a"] = Date._SDN[w]; // abbreviated weekday name [FIXME: I18N]
-    s["%A"] = Date._DN[w]; // full weekday name
-    s["%b"] = Date._SMN[m]; // abbreviated month name [FIXME: I18N]
-    s["%B"] = Date._MN[m]; // full month name
-    // FIXME: %c : preferred date and time representation for the current locale
-    s["%C"] = 1 + Math.floor(y / 100); // the century number
-    s["%d"] = (d < 10) ? ("0" + d) : d; // the day of the month (range 01 to 31)
-    s["%e"] = d; // the day of the month (range 1 to 31)
-    // FIXME: %D : american date style: %m/%d/%y
-    // FIXME: %E, %F, %G, %g, %h (man strftime)
-    s["%H"] = (hr < 10) ? ("0" + hr) : hr; // hour, range 00 to 23 (24h format)
-    s["%I"] = (ir < 10) ? ("0" + ir) : ir; // hour, range 01 to 12 (12h format)
-    s["%j"] = (dy < 100) ? ((dy < 10) ? ("00" + dy) : ("0" + dy)) : dy; // day of the year (range 001 to 366)
-    s["%k"] = hr;		// hour, range 0 to 23 (24h format)
-    s["%l"] = ir;		// hour, range 1 to 12 (12h format)
-    s["%X"] = (m < 9) ? ("0" + (1 + m)) : (1 + m); // month, range 01 to 12
-    s["%x"] = m + 1; // month, range 1 to 12
-    s["%M"] = (min < 10) ? ("0" + min) : min; // minute, range 00 to 59
-    s["%n"] = "\n";		// a newline character
-    s["%p"] = pm ? "PM" : "AM";
-    s["%P"] = pm ? "pm" : "am";
-    // FIXME: %r : the time in am/pm notation %I:%M:%S %p
-    // FIXME: %R : the time in 24-hour notation %H:%M
-    s["%s"] = Math.floor(this.getTime() / 1000);
-    s["%S"] = (sec < 10) ? ("0" + sec) : sec; // seconds, range 00 to 59
-    s["%t"] = "\t";		// a tab character
-    // FIXME: %T : the time in 24-hour notation (%H:%M:%S)
-    s["%U"] = s["%W"] = s["%V"] = (wn < 10) ? ("0" + wn) : wn;
-    s["%u"] = w + 1;	// the day of the week (range 1 to 7, 1 = MON)
-    s["%w"] = w;		// the day of the week (range 0 to 6, 0 = SUN)
-    // FIXME: %x : preferred date representation for the current locale without the time
-    // FIXME: %X : preferred time representation for the current locale without the date
-    s["%y"] = yWith4number.substr(2, 2); // year without the century (range 00 to 99)
-    s["%Y"] = yWith4number;		// year with the century
-    s["%%"] = "%";		// a literal '%' character
-    s["%Q"] = qr;
-
-    var re = /%./g;
-    if (!BI.isKhtml()) {
-        return str.replace(re, function (par) {
-            return s[par] || par;
-        });
-    }
-
-    var a = str.match(re);
-    for (var i = 0; i < a.length; i++) {
-        var tmp = s[a[i]];
-        if (tmp) {
-            re = new RegExp(a[i], "g");
-            str = str.replace(re, tmp);
-        }
-    }
-
-    return str;
-};
diff --git a/src/core/proto/function.js b/src/core/proto/function.js
deleted file mode 100644
index 30fb8f06a..000000000
--- a/src/core/proto/function.js
+++ /dev/null
@@ -1,21 +0,0 @@
-Function.prototype.before = function (func) {
-    var __self = this;
-    return function () {
-        if (func.apply(this, arguments) === false) {
-            return false;
-        }
-        return __self.apply(this, arguments);
-    };
-};
-
-Function.prototype.after = function (func) {
-    var __self = this;
-    return function () {
-        var ret = __self.apply(this, arguments);
-        if (ret === false) {
-            return false;
-        }
-        func.apply(this, arguments);
-        return ret;
-    };
-};
\ No newline at end of file
diff --git a/src/core/proto/string.js b/src/core/proto/string.js
deleted file mode 100644
index 0cb5619a0..000000000
--- a/src/core/proto/string.js
+++ /dev/null
@@ -1,116 +0,0 @@
-/**
- * 对字符串对象的扩展
- * @class String
- */
-_.extend(String.prototype, {
-
-    /**
-     * 判断字符串是否已指定的字符串开始
-     * @param {String} startTag   指定的开始字符串
-     * @return {Boolean}  如果字符串以指定字符串开始则返回true，否则返回false
-     */
-    startWith: function (startTag) {
-        if (startTag == null || startTag == "" || this.length === 0 || startTag.length > this.length) {
-            return false;
-        }
-        return this.substr(0, startTag.length) == startTag;
-    },
-    /**
-     * 判断字符串是否以指定的字符串结束
-     * @param {String} endTag 指定的字符串
-     * @return {Boolean}  如果字符串以指定字符串结束则返回true，否则返回false
-     */
-    endWith: function (endTag) {
-        if (endTag == null || endTag == "" || this.length === 0 || endTag.length > this.length) {
-            return false;
-        }
-        return this.substring(this.length - endTag.length) == endTag;
-    },
-
-    /**
-     * 获取url中指定名字的参数
-     * @param {String} name 参数的名字
-     * @return {String} 参数的值
-     */
-    getQuery: function (name) {
-        var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
-        var r = this.substr(this.indexOf("?") + 1).match(reg);
-        if (r) {
-            return unescape(r[2]);
-        }
-        return null;
-    },
-
-    /**
-     * 给url加上给定的参数
-     * @param {Object} paras 参数对象，是一个键值对对象
-     * @return {String} 添加了给定参数的url
-     */
-    appendQuery: function (paras) {
-        if (!paras) {
-            return this;
-        }
-        var src = this;
-        // 没有问号说明还没有参数
-        if (src.indexOf("?") === -1) {
-            src += "?";
-        }
-        // 如果以问号结尾，说明没有其他参数
-        if (src.endWith("?") !== false) {
-        } else {
-            src += "&";
-        }
-        _.each(paras, function (value, name) {
-            if (typeof(name) === "string") {
-                src += name + "=" + value + "&";
-            }
-        });
-        src = src.substr(0, src.length - 1);
-        return src;
-    },
-    /**
-     * 将所有符合第一个字符串所表示的字符串替换成为第二个字符串
-     * @param {String} s1 要替换的字符串的正则表达式
-     * @param {String} s2 替换的结果字符串
-     * @returns {String} 替换后的字符串
-     */
-    replaceAll: function (s1, s2) {
-        return this.replace(new RegExp(s1, "gm"), s2);
-    },
-    /**
-     * 总是让字符串以指定的字符开头
-     * @param {String} start 指定的字符
-     * @returns {String} 以指定字符开头的字符串
-     */
-    perfectStart: function (start) {
-        if (this.startWith(start)) {
-            return this;
-        }
-        return start + this;
-
-    },
-
-    /**
-     * 获取字符串中某字符串的所有项位置数组
-     * @param {String} sub 子字符串
-     * @return {Number[]} 子字符串在父字符串中出现的所有位置组成的数组
-     */
-    allIndexOf: function (sub) {
-        if (typeof sub !== "string") {
-            return [];
-        }
-        var str = this;
-        var location = [];
-        var offset = 0;
-        while (str.length > 0) {
-            var loc = str.indexOf(sub);
-            if (loc === -1) {
-                break;
-            }
-            location.push(offset + loc);
-            str = str.substring(loc + sub.length, str.length);
-            offset += loc + sub.length;
-        }
-        return location;
-    }
-});
\ No newline at end of file