diff --git a/typescript/core/base.ts b/typescript/core/base.ts
new file mode 100644
index 000000000..9dac190db
--- /dev/null
+++ b/typescript/core/base.ts
@@ -0,0 +1,373 @@
+export interface _base {
+    assert: (v: any, is: Function) => Boolean
+
+    warn: (message: any) => Boolean;
+
+    UUID: () => string;
+
+    isWidget: (widget: any) => Boolean;
+
+    createWidgets: (items: any, options: any, context: any) => any;
+
+    createItems: (data: any[], innerAttr: any[], outerAttr: any[]) => any;
+
+    packageItems: (items: any[], layouts: any[]) => any[];
+
+    formatEL: (obj: any) => {el: any}
+
+    stripEL: (obj: any) => any;
+
+    trans2Element: (widgets: any[]) => any[];
+
+    // 集合相关方法
+    where: (collection: any[]|object|string, source: object) => any[];
+
+    findWhere: (collection: any[]|object|string, callback?: Function|object|string, thisArg?: any) => object|undefined;
+
+    invoke: (collection: any[]|object|string, methodName: Function|string, arg?: any) => any[];
+
+    pluck: (collection: any[]|object|string, property: string) => any[];
+
+    shuffle: (collection: any[]|object|string) => any[];
+
+    sample: (collection: any[]|object|string, n?: number) => any[];
+
+    toArray: (collection: any[]|object|string) => any[];
+
+    size: (collection: any[]|object|string) => number;
+
+    each: (collection: any[]|object|string, callback?: Function, thisArg?: any) => any;
+
+    map: (collection: any[]|object|string, callback?: Function|object|string, thisArg?: any) => any[];
+
+    reduce: (collection: any[]|object|string, callback?: Function, accumulator?: any, thisArg?: any) => any;
+
+    reduceRight: (collection: any[]|object|string, callback?: Function, accumulator?: any, thisArg?: any) => any;
+
+    find: (collection: any[]|object|string, callback?: Function|object|string, thisArg?: any) => any;
+
+    filter: (collection: any[]|object|string, callback?: Function|object|string, thisArg?: any) => any[];
+
+    reject: (collection: any[]|object|string, callback?: Function|object|string, thisArg?: any) => any[];
+
+    every: (collection: any[]|object|string, callback?: Function|object|string, thisArg?: any) => boolean;
+
+    all: (collection: any[]|object|string, callback?: Function|object|string, thisArg?: any) => boolean;
+
+    some: (collection: any[]|object|string, callback?: Function|object|string, thisArg?: any) => boolean;
+
+    _any: (collection: any[]|object|string, callback?: Function|object|string, thisArg?: any) => boolean;
+
+    max: (collection: any[]|object|string, callback?: Function|object|string, thisArg?: any) => any;
+
+    min: (collection: any[]|object|string, callback?: Function|object|string, thisArg?: any) => any;
+
+    sortBy: (collection: any[]|object|string, callback?: Function|object|string, thisArg?: any) => any[];
+
+    groupBy: (collection: any[]|object|string, callback?: Function|object|string, thisArg?: any) => object;
+
+    indexBy: (collection: any[]|object|string, callback?: Function|object|string, thisArg?: any) => object;
+
+    countBy: (collection: any[]|object|string, callback?: Function|object|string, thisArg?: any) => object;
+
+
+    count: (from: number, to: number, predicate: Function) => number;
+
+    inverse: (from: number, to: number, predicate: Function) => number;
+
+    firstKey: (obj: object) => string;
+
+    lastKey: (obj: object) => string;
+
+    firstObject: (obj: object) => any;
+
+    lastObject: (obj: object) => any;
+
+    concat: (obj1: any, obj2: any) => any;
+
+    backEach: (obj: any, predicate: Function, context?: any) => boolean;
+
+    backAny: (obj: any, predicate: Function, context?: any) => boolean;
+
+    backEvery: (obj: any, predicate: Function, context?: any) => boolean;
+
+    backFindKey: (obj: any, predicate: Function, context?: any) => string;
+
+    backFind: (obj: any, predicate: Function, context?: any) => any;
+
+    remove: (obj: any, predicate: Function, context?: any) => void;
+
+    removeAt: (obj: any, index: number|number[]) => void;
+
+    string2Array: (str: string) => string[];
+
+    array2String: (array: any[]) => string;
+
+    abc2Int: (str: string) => number;
+
+    int2Abc: (num: number) => string;
+
+    // 数组相关的方法
+    first: (array: any[], callback?: Function|object|number|string, thisArg?: any) => any;
+
+    initial: (array: any[], callback?: Function|object|number|string, thisArg?: any) => any[];
+
+    last: (array: any[], callback?: Function|object|number|string, thisArg?: any) => any;
+
+    rest: (array: any[], callback?: Function|object|number|string, thisArg?: any) => any[];
+
+    compact: (array: any[]) => any[];
+
+    flatten: (array: any[], isShallow?: boolean, callback?: Function|object|string, thisArg?: any) => any[];
+
+    without: (array: any[], value?: any) => any[];
+
+    union: (...array: any[]) => any[];
+
+    intersection: (...array: any[]) => any[];
+
+    difference: (...array: any[]) => any[];
+
+    zip: (...array: any[]) => any[];
+
+    unzip: (...array: any[]) => any[];
+
+    _object: (keys: string[], values?: any[]) => any[];
+
+    indexOf: (array: any[], value: any, fromIndex?: number) => number;
+
+    lastIndexOf: (array: any[], value: any, fromIndex?: number) => number;
+
+    sortedIndex: (array: any[], value: any, callback?: Function|object|string, thisArg?: any) => number;
+
+    range: (start: number, end: number, step: number) => number[];
+
+    take: (array: any[], n: number) => any[];
+
+    takeRight: (array: any[], n: number) => any[];
+
+    findIndex: (array: any[], value: any, callback?: Function|object|string, thisArg?: any) => number;
+
+    findLastIndex: (array: any[], value: any, callback?: Function|object|string, thisArg?: any) => number;
+
+    makeArray: (length: number, value: any) => any[];
+
+    makeObject: (array: any[], value: any) => any;
+
+    makeArrayByArray: (array: any[], value: any) => any[];
+
+    uniq: (array: any[], isSorted: boolean, iteratee?: any, context?: any) => any[];
+
+    // 对象相关方法
+    keys: (object: object) => string[];
+
+    allKeys: (object: object) => string[];
+
+    values: (object: object) => any[];
+
+    pairs: (object: object) => any[];
+
+    invert: (object: object, multiValue: boolean) => object;
+
+    create: (prototype: object, properties?: object) => object;
+
+    functions: (object: object) => string[];
+
+    extend: (object: object, ...sources: any[]) => object;
+
+    defaults: (object: object, ...sources: any[]) => object;
+
+    clone: (object: object) => object;
+
+    property: (path: any[]|string) => Function;
+
+    propertyOf: (object: object) => Function;
+
+    isEqual: (value: any, other: any, customizer?: Function, thisArg?: any) => boolean;
+
+    isMatch: (object: object, source: object, customizer?: Function, thisArg?: any) => boolean;
+
+    isEmpty: (value: any[]|object|string) => boolean;
+
+    isElement: (value: any) => boolean;
+
+    isNumber: (value: any) => boolean;
+
+    isString: (value: any) => boolean;
+
+    isArray: (value: any) => boolean;
+
+    isObject: (value: any) => boolean;
+
+    isPlainObject: (value: any) => boolean;
+
+    isArguments: (value: any) => boolean;
+
+    isFunction: (value: any) => boolean;
+
+    isFinite: (value: any) => boolean;
+
+    isBoolean: (value: any) => boolean;
+
+    isDate: (value: any) => boolean;
+
+    isRegExp: (value: any) => boolean;
+
+    isError: (value: any) => boolean;
+
+    isNaN: (value: any) => boolean;
+
+    isUndefined: (value: any) => boolean;
+
+    zipObject: (props: any[], values?: any[]) => object;
+
+    cloneDeep: (value: any, customizer?: Function, thisArg?: any) => any;
+
+    findKey: (object: object, predicate?: Function|object|string, thisArg?: any) => any;
+
+    pick: (object: object, predicate?: Function|string|string[], thisArg?: any) => object;
+
+    omit: (object: object, predicate?: Function|string|string[], thisArg?: any) => object;
+
+    tap: (value: any, interceptor: Function, thisArg?: any) => any;
+
+    inherit: (sb: any, sp: any, overrides?: any) => any;
+
+    init: () => void;
+
+    has: (obj: object, keys: string[]) => boolean;
+
+    freeze: (value: object) => object;
+
+    isKey: (key: any) => boolean;
+
+    isCapitalEqual: (a: string|null|undefined, b: string|null|undefined) => boolean;
+
+    isWidthOrHeight: (w: number|string) => boolean;
+
+    isNotNull: (obj: any) => boolean;
+
+    isNull: (obj: any) => boolean;
+
+    isEmptyArray: (arr: any[]) => boolean;
+
+    isNotEmptyArray: (arr: any[]) => boolean;
+
+    isEmptyObject: (obj: any) => boolean;
+
+    isNotEmptyObject: (obj: any) => boolean;
+
+    isWindow: (obj: any) => boolean;
+
+    isDeepMatch: (object: any, attrs: any) => boolean;
+
+    contains: (obj: any[], target: any, fromIndex: number) => number;
+
+    deepContains: (obj: any[], copy: any) => number;
+
+    deepIndexOf: (obj: any[], target: any) => number;
+
+    deepRemove: (obj: any[], target: any) => boolean;
+
+    deepWithout: (obj: any[], target: any) => any[];
+
+    deepUnique: (array: any[]) => any[];
+
+    deepDiff: (object: any, other: any) => string[];
+
+    uniqueId: (prefix?: string) => string;
+
+    result: (object: any, key: string) => any;
+
+    chain: (value: any) => any;
+
+    iteratee: (func?: Function, thisArg?: any) => Function;
+
+    unescape: (str?: string) => string;
+
+    bind: (func: Function, thisArg: any, ...partials: any) => Function;
+
+    once: (func: Function) => Function;
+
+    partial: (func: Function, ...partials: any) => Function;
+
+    debounce: (func: Function, wait?: number, options?: any) => Function;
+
+    throttle: (func: Function, wait?: number, options?: any) => Function;
+
+    delay: (func: Function, wait: number, ...args: any) => number;
+
+    defer: (func: Function, ...args: any) => number;
+
+    wrap: (value: any, wrapper: Function) => Function;
+
+    nextTick: (func: Function) => Promise<any>;
+
+    random: (min?: number, max?: number, floating?: boolean) => number;
+
+    parseInt: (s: string) => number;
+
+    parseSafeInt: (s: string) => number;
+
+    parseFloat: (string: string) => number;
+
+    isNaturalNumber: (value: string|number) => boolean;
+
+    isPositiveInteger: (value: string|number) => boolean;
+
+    isNegativeInteger: (value: string|number) => boolean;
+
+    isInteger: (value: string|number) => boolean;
+
+    isNumeric: (value: string|number) => boolean;
+
+    isFloat: (value: string|number) => boolean;
+
+    isOdd: (value: string|number) => boolean;
+
+    isEven: (value: string|number) => boolean;
+
+    sum: (array: any[], iteratee: Function, context: any) => number;
+
+    average: (array: any[], iteratee: Function, context: any) => number;
+
+    trim: (string?: string, chars?: string) => string;
+
+    toUpperCase: (string: string) => string;
+
+    toLowerCase: (string: string) => string;
+
+    isEndWithBlank: (string: string) => boolean;
+
+    isLiteral: (string: string) => boolean;
+
+    stripQuotes: (string: string) => string;
+
+    camelize: (string: string) => string;
+
+    hyphenate: (string: string) => string;
+
+    isNotEmptyString: (string: string) => boolean;
+
+    isEmptyString: (string: string) => boolean;
+
+    encrypt: (type: string, text: string, key: string) => string;
+
+    escape: (string: string) => string;
+
+    leftPad: (val: string, size: number, ch: string) => string;
+
+    format: (format: string, ...str: string[]) => string;
+
+    isLeapYear: (year: number) => boolean;
+
+    checkDateVoid: (YY: string, MM: string, DD: string, minDate: string, maxDate: string) => (number|string)[];
+
+    checkDateLegal: (str: string) => boolean;
+
+    parseDateTime: (str: string, fmt: string) => Date;
+
+    getDate: (...args: number[]) => Date;
+
+    getTime: (...args: any[]) => number;
+}
\ No newline at end of file
diff --git a/typescript/index.ts b/typescript/index.ts
index 4f52d9fbb..df407ad87 100644
--- a/typescript/index.ts
+++ b/typescript/index.ts
@@ -3,6 +3,7 @@ import { _OB } from "./core/ob";
 import { _func } from "./core/func";
 import { _Widget, _WidgetStatic } from "./core/widget";
 import { _Single } from "./base/single/single";
+import { _base } from "./core/base";
 import { _BasicButton } from "./base/single/button/button.basic";
 
 type Constructor<T extends {}> = T & {
@@ -11,7 +12,7 @@ type Constructor<T extends {}> = T & {
     readonly prototype: T;
 }
 
-export interface _BI extends _func, _i18n {
+export interface _BI extends _func, _i18n, _base {
     OB: Constructor<_OB>;
     Widget: Constructor<_Widget> & _WidgetStatic;
     Single: Constructor<_Single>;