diff --git a/.prettierrc b/.prettierrc
index 59b1ac8..2cf1ac5 100644
--- a/.prettierrc
+++ b/.prettierrc
@@ -1,6 +1,7 @@
 {
     "trailingComma": "es5",
     "tabWidth": 4,
+    "printWidth": 120,
     "semi": true,
     "singleQuote": true,
     "overrides": [
diff --git a/src/index.js b/src/index.js
index 3ce8816..5afc274 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,15 +1,5 @@
 import Validate from '@alifd/validate';
-import {
-    log,
-    func,
-    getValueFromEvent,
-    getErrorStrs,
-    getParams,
-    setIn,
-    getIn,
-    deleteIn,
-    mapValidateRules,
-} from './utils';
+import { getValueFromEvent, getErrorStrs, getParams, setIn, getIn, deleteIn, mapValidateRules, warning } from './utils';
 
 const initMeta = {
     state: '',
@@ -26,9 +16,7 @@ class Field {
         return (options = {}) => {
             const [, setState] = useState();
 
-            const field = useMemo(() => this.create({ setState }, options), [
-                setState,
-            ]);
+            const field = useMemo(() => this.create({ setState }, options), [setState]);
 
             return field;
         };
@@ -36,9 +24,7 @@ class Field {
 
     constructor(com, options = {}) {
         if (!com) {
-            log.warning(
-                '`this` is missing in `Field`, you should use like `new Field(this)`'
-            );
+            warning('`this` is missing in `Field`, you should use like `new Field(this)`');
         }
 
         this.com = com;
@@ -47,7 +33,8 @@ class Field {
         this.instance = {};
         // holds constructor values. Used for setting field defaults on init if no other value or initValue is passed.
         // Also used caching values when using `parseName: true` before a field is initialized
-        this.values = options.values || {};
+        this.values = Object.assign({}, options.values);
+
         this.processErrorMessage = options.processErrorMessage;
         this.afterValidateRerender = options.afterValidateRerender;
 
@@ -57,7 +44,7 @@ class Field {
                 forceUpdate: false,
                 scrollToFirstError: true,
                 first: false,
-                onChange: func.noop,
+                onChange: () => {},
                 autoUnmount: true,
                 autoValidate: true,
             },
@@ -84,10 +71,6 @@ class Field {
         ].forEach(m => {
             this[m] = this[m].bind(this);
         });
-
-        if (options.values) {
-            this.setValues(options.values, false);
-        }
     }
 
     setOptions(options) {
@@ -113,11 +96,7 @@ class Field {
         const { parseName } = this.options;
 
         const originalProps = Object.assign({}, props, rprops);
-        const defaultValueName = `default${valueName[0].toUpperCase()}${valueName.slice(
-            1
-        )}`;
-
-        const field = this._getInitMeta(name);
+        const defaultValueName = `default${valueName[0].toUpperCase()}${valueName.slice(1)}`;
         let defaultValue;
         if (typeof initValue !== 'undefined') {
             defaultValue = initValue;
@@ -126,11 +105,12 @@ class Field {
             defaultValue = originalProps[defaultValueName];
         }
 
+        // get field from this.fieldsMeta or new one
+        const field = this._getInitMeta(name);
         Object.assign(field, {
             valueName,
             initValue: defaultValue,
-            disabled:
-                'disabled' in originalProps ? originalProps.disabled : false,
+            disabled: 'disabled' in originalProps ? originalProps.disabled : false,
             getValueFromEvent,
             rules: Array.isArray(rules) ? rules : [rules],
             ref: originalProps.ref,
@@ -148,34 +128,30 @@ class Field {
             }
         }
 
-        // should get value from this.values
         /**
-         * a new field (value not in field)
-         * step 1: get value from this.values
-         * step 2: from defaultValue
+         * first init field (value not in field)
+         * should get field.value from this.values or defaultValue
          */
         if (!('value' in field)) {
             if (parseName) {
                 const cachedValue = getIn(this.values, name);
-                field.value =
-                    typeof cachedValue !== 'undefined'
-                        ? cachedValue
-                        : defaultValue;
+                if (typeof cachedValue !== 'undefined') {
+                    field.value = cachedValue;
+                } else if (typeof defaultValue !== 'undefined') {
+                    field.value = defaultValue;
+                    this.values = setIn(this.values, name, field.value);
+                }
             } else {
                 const cachedValue = this.values[name];
-                field.value =
-                    typeof cachedValue !== 'undefined'
-                        ? cachedValue
-                        : defaultValue;
+                if (typeof cachedValue !== 'undefined') {
+                    field.value = cachedValue;
+                } else if (typeof defaultValue !== 'undefined') {
+                    field.value = defaultValue;
+                    this.values[name] = field.value;
+                }
             }
         }
 
-        if (parseName && !getIn(this.values, name)) {
-            this.values = setIn(this.values, name, field.value);
-        } else if (!parseName && !this.values[name]) {
-            this.values[name] = field.value;
-        }
-
         // Component props
         const inputProps = {
             'data-meta': 'Field',
@@ -223,9 +199,7 @@ class Field {
      * props.onChange props.onBlur
      */
     _callPropsEvent(action, props, ...args) {
-        action in props &&
-            typeof props[action] === 'function' &&
-            props[action](...args);
+        action in props && typeof props[action] === 'function' && props[action](...args);
     }
 
     _getInitMeta(name) {
@@ -247,9 +221,7 @@ class Field {
             return;
         }
 
-        field.value = field.getValueFromEvent
-            ? field.getValueFromEvent.apply(this, others)
-            : getValueFromEvent(e);
+        field.value = field.getValueFromEvent ? field.getValueFromEvent.apply(this, others) : getValueFromEvent(e);
 
         if (this.options.parseName) {
             this.values = setIn(this.values, name, field.value);
@@ -312,11 +284,7 @@ class Field {
         // 2. _saveRef(B, ref) (eg: same name but different compoent may be here)
         if (autoUnmount && !this.fieldsMeta[name]) {
             this.fieldsMeta[name] = this._getCache(name, key);
-            this.setValue(
-                name,
-                this.fieldsMeta[name] && this.fieldsMeta[name].value,
-                false
-            );
+            this.setValue(name, this.fieldsMeta[name] && this.fieldsMeta[name].value, false);
         }
 
         // only one time here
@@ -364,10 +332,7 @@ class Field {
             },
             errors => {
                 if (errors && errors.length) {
-                    field.errors = getErrorStrs(
-                        errors,
-                        this.processErrorMessage
-                    );
+                    field.errors = getErrorStrs(errors, this.processErrorMessage);
                     field.state = 'error';
                 } else {
                     field.errors = [];
@@ -434,11 +399,7 @@ class Field {
                     this.fieldsMeta[name].value = value;
                 } else {
                     // if no value then copy values from fieldsMeta to keep initialized component data
-                    this.values = setIn(
-                        this.values,
-                        name,
-                        this.fieldsMeta[name].value
-                    );
+                    this.values = setIn(this.values, name, this.fieldsMeta[name].value);
                 }
             });
         }
@@ -455,10 +416,7 @@ class Field {
             };
         }
 
-        if (
-            this.fieldsMeta[name].errors &&
-            this.fieldsMeta[name].errors.length > 0
-        ) {
+        if (this.fieldsMeta[name].errors && this.fieldsMeta[name].errors.length > 0) {
             this.fieldsMeta[name].state = 'error';
         } else {
             this.fieldsMeta[name].state = '';
@@ -555,8 +513,7 @@ class Field {
 
         if (!hasRule) {
             const errors = this.formatGetErrors(fieldNames);
-            callback &&
-                callback(errors, this.getValues(names ? fieldNames : []));
+            callback && callback(errors, this.getValues(names ? fieldNames : []));
             return;
         }
 
@@ -583,10 +540,7 @@ class Field {
                 // update error in every Field
                 Object.keys(errorsGroup).forEach(i => {
                     const field = this._get(i);
-                    field.errors = getErrorStrs(
-                        errorsGroup[i].errors,
-                        this.processErrorMessage
-                    );
+                    field.errors = getErrorStrs(errorsGroup[i].errors, this.processErrorMessage);
                     field.state = 'error';
                 });
             }
@@ -594,29 +548,20 @@ class Field {
             const formattedGetErrors = this.formatGetErrors(fieldNames);
 
             if (formattedGetErrors) {
-                errorsGroup = Object.assign(
-                    {},
-                    formattedGetErrors,
-                    errorsGroup
-                );
+                errorsGroup = Object.assign({}, formattedGetErrors, errorsGroup);
             }
 
             // update to success which has no error
             for (let i = 0; i < fieldNames.length; i++) {
                 const name = fieldNames[i];
                 const field = this._get(name);
-                if (
-                    field &&
-                    field.rules &&
-                    !(errorsGroup && name in errorsGroup)
-                ) {
+                if (field && field.rules && !(errorsGroup && name in errorsGroup)) {
                     field.state = 'success';
                 }
             }
 
             // eslint-disable-next-line callback-return
-            callback &&
-                callback(errorsGroup, this.getValues(names ? fieldNames : []));
+            callback && callback(errorsGroup, this.getValues(names ? fieldNames : []));
             this._reRender();
 
             if (typeof this.afterValidateRerender === 'function') {
@@ -727,10 +672,7 @@ class Field {
             Object.keys(errorsGroup).forEach(i => {
                 const field = this._get(i);
                 if (field) {
-                    field.errors = getErrorStrs(
-                        errorsGroup[i].errors,
-                        this.processErrorMessage
-                    );
+                    field.errors = getErrorStrs(errorsGroup[i].errors, this.processErrorMessage);
                     field.state = 'error';
                 }
             });
@@ -790,28 +732,14 @@ class Field {
         }
     }
 
-    reset(ns, backToDefault = false) {
-        if (ns === true) {
-            log.deprecated('reset(true)', 'resetToDefault()', 'Field');
-            this.resetToDefault();
-        } else if (backToDefault === true) {
-            log.deprecated('reset(ns,true)', 'resetToDefault(ns)', 'Field');
-            this.resetToDefault(ns);
-        } else {
-            this._reset(ns, false);
-        }
+    reset(ns) {
+        this._reset(ns, false);
     }
 
     resetToDefault(ns) {
         this._reset(ns, true);
     }
 
-    // deprecated. TODO: remove in 2.0 version
-    isValidating(name) {
-        log.deprecated('isValidating', 'getState', 'Field');
-        return this.getState(name) === 'loading';
-    }
-
     getNames() {
         const fieldsMeta = this.fieldsMeta;
         return Object.keys(fieldsMeta).filter(() => {
@@ -847,7 +775,7 @@ class Field {
      */
     spliceArray(keyMatch, startIndex) {
         if (keyMatch.indexOf('{index}') === -1) {
-            log.warning('{index} not find in key');
+            warning('{index} not find in key');
             return;
         }
 
diff --git a/src/utils.js b/src/utils.js
new file mode 100644
index 0000000..ce427f5
--- /dev/null
+++ b/src/utils.js
@@ -0,0 +1,197 @@
+export function getIn(state, name) {
+    if (!state) {
+        return state;
+    }
+
+    const path = name
+        .replace(/\[/, '.')
+        .replace(/\]/, '')
+        .split('.');
+    const length = path.length;
+    if (!length) {
+        return undefined;
+    }
+
+    let result = state;
+    for (let i = 0; i < length && !!result; ++i) {
+        result = result[path[i]];
+    }
+
+    return result;
+}
+
+const setInWithPath = (state, value, path, pathIndex) => {
+    if (pathIndex >= path.length) {
+        return value;
+    }
+
+    const first = path[pathIndex];
+    const next = setInWithPath(state && state[first], value, path, pathIndex + 1);
+
+    if (!state) {
+        const initialized = isNaN(first) ? {} : [];
+        initialized[first] = next;
+        return initialized;
+    }
+
+    if (Array.isArray(state)) {
+        const copy = [].concat(state);
+        copy[first] = next;
+        return copy;
+    }
+
+    return Object.assign({}, state, {
+        [first]: next,
+    });
+};
+
+export function setIn(state, name, value) {
+    return setInWithPath(
+        state,
+        value,
+        name
+            .replace(/\[/, '.')
+            .replace(/\]/, '')
+            .split('.'),
+        0
+    );
+}
+
+export function deleteIn(state, name) {
+    if (!state) {
+        return;
+    }
+
+    const path = name
+        .replace(/\[/, '.')
+        .replace(/\]/, '')
+        .split('.');
+    const length = path.length;
+    if (!length) {
+        return state;
+    }
+
+    let result = state;
+    for (let i = 0; i < length && !!result; ++i) {
+        if (i === length - 1) {
+            delete result[path[i]];
+        } else {
+            result = result[path[i]];
+        }
+    }
+
+    return state;
+}
+
+export function getErrorStrs(errors, processErrorMessage) {
+    if (errors) {
+        return errors.map(e => {
+            const message = e.message || e;
+
+            if (typeof processErrorMessage === 'function') {
+                return processErrorMessage(message);
+            }
+
+            return message;
+        });
+    }
+    return errors;
+}
+
+export function getParams(ns, cb) {
+    let names = typeof ns === 'string' ? [ns] : ns;
+    let callback = cb;
+    if (cb === undefined && typeof names === 'function') {
+        callback = names;
+        names = undefined;
+    }
+    return {
+        names,
+        callback,
+    };
+}
+
+/**
+ * 从组件事件中获取数据
+ * @param e Event或者value
+ * @returns value
+ */
+export function getValueFromEvent(e) {
+    // support custom element
+    if (!e || !e.target) {
+        return e;
+    }
+    const { target } = e;
+
+    if (target.type === 'checkbox') {
+        return target.checked;
+    } else if (target.type === 'radio') {
+        //兼容原生radioGroup
+        if (target.value) {
+            return target.value;
+        } else {
+            return target.checked;
+        }
+    }
+    return target.value;
+}
+
+function validateMap(rulesMap, rule, defaultTrigger) {
+    const nrule = Object.assign({}, rule);
+
+    if (!nrule.trigger) {
+        nrule.trigger = [defaultTrigger];
+    }
+
+    if (typeof nrule.trigger === 'string') {
+        nrule.trigger = [nrule.trigger];
+    }
+
+    for (let i = 0; i < nrule.trigger.length; i++) {
+        const trigger = nrule.trigger[i];
+
+        if (trigger in rulesMap) {
+            rulesMap[trigger].push(nrule);
+        } else {
+            rulesMap[trigger] = [nrule];
+        }
+    }
+
+    delete nrule.trigger;
+}
+
+/**
+ * 提取rule里面的trigger并且做映射
+ * @param  {Array} rules   规则
+ * @param  {String} defaultTrigger 默认触发
+ * @return {Object} {onChange:rule1, onBlur: rule2}
+ */
+export function mapValidateRules(rules, defaultTrigger) {
+    const rulesMap = {};
+
+    rules.forEach(rule => {
+        validateMap(rulesMap, rule, defaultTrigger);
+    });
+
+    return rulesMap;
+}
+
+let warn = () => {};
+
+// don't print warning message when in production env or node runtime
+if (
+    typeof process !== 'undefined' &&
+    process.env &&
+    process.env.NODE_ENV !== 'production' &&
+    typeof window !== 'undefined' &&
+    typeof document !== 'undefined'
+) {
+    warn = (...args) => {
+        /* eslint-disable no-console */
+        if (typeof console !== 'undefined' && console.warn) {
+            console.warn(...args);
+        }
+    };
+}
+
+export const warning = warn;
diff --git a/src/utils/deleteIn.js b/src/utils/deleteIn.js
deleted file mode 100644
index a2faaf1..0000000
--- a/src/utils/deleteIn.js
+++ /dev/null
@@ -1,25 +0,0 @@
-export default function deleteIn(state, name) {
-    if (!state) {
-        return;
-    }
-
-    const path = name
-        .replace(/\[/, '.')
-        .replace(/\]/, '')
-        .split('.');
-    const length = path.length;
-    if (!length) {
-        return state;
-    }
-
-    let result = state;
-    for (let i = 0; i < length && !!result; ++i) {
-        if (i === length - 1) {
-            delete result[path[i]];
-        } else {
-            result = result[path[i]];
-        }
-    }
-
-    return state;
-}
diff --git a/src/utils/env.js b/src/utils/env.js
deleted file mode 100644
index 0abc0b3..0000000
--- a/src/utils/env.js
+++ /dev/null
@@ -1,40 +0,0 @@
-/**
- * IE浏览器的渲染引擎版本号
- * 注意：此属性与浏览器版本号不同，IE的渲染引擎版本号是可以通过HTML header或手动设置去更改的
- * @type {Number} 6 ~ 10
- */
-export const ieVersion =
-    typeof document !== 'undefined' ? document.documentMode : undefined;
-
-/**
- * 判断是否是生产环境
- * @type {Boolean}
- */
-export const isProduction = () => {
-    const PRODUCTION_ENV = 'production';
-    let result = false;
-    try {
-        if (process.env.NODE_ENV === PRODUCTION_ENV) {
-            result = true;
-        }
-    } catch (err) {
-        //
-    }
-
-    if (!result) {
-        try {
-            if (window.process.env.NODE_ENV === PRODUCTION_ENV) {
-                result = true;
-            }
-        } catch (err) {
-            //
-        }
-    }
-
-    return result;
-};
-
-export default {
-    ieVersion,
-    isProduction,
-};
diff --git a/src/utils/func.js b/src/utils/func.js
deleted file mode 100644
index 945749b..0000000
--- a/src/utils/func.js
+++ /dev/null
@@ -1,79 +0,0 @@
-import { isPromise } from './object';
-
-/**
- * 一个空方法，返回入参本身或空对象
- */
-export const noop = () => {};
-
-/**
- * 一个空方法，返回false
- */
-export const prevent = () => false;
-
-/**
- * 将N个方法合并为一个链式调用的方法
- * @return {Function}     合并后的方法
- * 参考 https://github.com/react-component/util/
- *
- * @example
- * func.makeChain(this.handleChange, this.props.onChange);
- */
-export function makeChain(...fns) {
-    if (fns.length === 1) {
-        return fns[0];
-    }
-
-    return function chainedFunction(...args) {
-        for (let i = 0, j = fns.length; i < j; i++) {
-            if (fns[i] && fns[i].apply) {
-                fns[i].apply(this, args);
-            }
-        }
-    };
-}
-
-/**
- * 批量改变方法的上下文
- * 此方法在react组件中很有用，在constructor中批量将组件上的方法执行上下文绑定到组件本身
- * 注意：用bind改变函数运行的上下文只会生效一次
- * @param  {Object} ctx 方法挂载的对象以及执行的上下文
- * @param  {Array<String>} fns 方法名列表
- *
- * @example
- * func.bindCtx(this, ['handleClick', 'handleChange']);
- */
-export function bindCtx(ctx, fns, ns) {
-    if (typeof fns === 'string') {
-        fns = [fns];
-    }
-
-    // 方法的挂载空间，如果不传，默认与ctx相同
-    ns = ns || ctx;
-
-    fns.forEach(fnName => {
-        // 这里不要添加空方法判断，由调用者保证正确性，否则出了问题无法排查
-        ns[fnName] = ns[fnName].bind(ctx);
-    });
-}
-
-/**
- * 用于执行回调方法后的逻辑
- * @param  {*} ret            回调方法执行结果
- * @param  {Function} success 执行结果返回非false的回调
- * @param  {Function} [failure=noop] 执行结果返回false的回调
- */
-export function promiseCall(ret, success, failure = noop) {
-    if (isPromise(ret)) {
-        return ret
-            .then(result => {
-                success(result);
-                return result;
-            })
-            .catch(e => {
-                failure(e);
-                // throw e;
-            });
-    }
-
-    return ret !== false ? success(ret) : failure(ret);
-}
diff --git a/src/utils/getErrorStrs.js b/src/utils/getErrorStrs.js
deleted file mode 100644
index ac07367..0000000
--- a/src/utils/getErrorStrs.js
+++ /dev/null
@@ -1,14 +0,0 @@
-export default function getErrorStrs(errors, processErrorMessage) {
-    if (errors) {
-        return errors.map(e => {
-            const message = e.message || e;
-
-            if (typeof processErrorMessage === 'function') {
-                return processErrorMessage(message);
-            }
-
-            return message;
-        });
-    }
-    return errors;
-}
diff --git a/src/utils/getIn.js b/src/utils/getIn.js
deleted file mode 100644
index 95dd7cf..0000000
--- a/src/utils/getIn.js
+++ /dev/null
@@ -1,21 +0,0 @@
-export default function getIn(state, name) {
-    if (!state) {
-        return state;
-    }
-
-    const path = name
-        .replace(/\[/, '.')
-        .replace(/\]/, '')
-        .split('.');
-    const length = path.length;
-    if (!length) {
-        return undefined;
-    }
-
-    let result = state;
-    for (let i = 0; i < length && !!result; ++i) {
-        result = result[path[i]];
-    }
-
-    return result;
-}
diff --git a/src/utils/getParams.js b/src/utils/getParams.js
deleted file mode 100644
index aef3a07..0000000
--- a/src/utils/getParams.js
+++ /dev/null
@@ -1,12 +0,0 @@
-export default function getParams(ns, cb) {
-    let names = typeof ns === 'string' ? [ns] : ns;
-    let callback = cb;
-    if (cb === undefined && typeof names === 'function') {
-        callback = names;
-        names = undefined;
-    }
-    return {
-        names,
-        callback,
-    };
-}
diff --git a/src/utils/getValueFromEvent.js b/src/utils/getValueFromEvent.js
deleted file mode 100644
index c0d921f..0000000
--- a/src/utils/getValueFromEvent.js
+++ /dev/null
@@ -1,24 +0,0 @@
-/**
- * 从组件事件中获取数据
- * @param e Event或者value
- * @returns value
- */
-export default function getValueFromEvent(e) {
-    // support custom element
-    if (!e || !e.target) {
-        return e;
-    }
-    const { target } = e;
-
-    if (target.type === 'checkbox') {
-        return target.checked;
-    } else if (target.type === 'radio') {
-        //兼容原生radioGroup
-        if (target.value) {
-            return target.value;
-        } else {
-            return target.checked;
-        }
-    }
-    return target.value;
-}
diff --git a/src/utils/index.js b/src/utils/index.js
deleted file mode 100644
index 32a5c18..0000000
--- a/src/utils/index.js
+++ /dev/null
@@ -1,23 +0,0 @@
-import _deleteIn from './deleteIn';
-import * as _env from './env';
-import * as _func from './func';
-import _getErrorStrs from './getErrorStrs';
-import _getIn from './getIn';
-import _getParams from './getParams';
-import _getValueFromEvent from './getValueFromEvent';
-import * as _log from './log';
-import _mapValidateRules from './mapValidateRules';
-import * as _object from './object';
-import _setIn from './setIn';
-
-export const env = _env;
-export const func = _func;
-export const log = _log;
-export const obj = _object;
-export const deleteIn = _deleteIn;
-export const getErrorStrs = _getErrorStrs;
-export const getIn = _getIn;
-export const getParams = _getParams;
-export const getValueFromEvent = _getValueFromEvent;
-export const mapValidateRules = _mapValidateRules;
-export const setIn = _setIn;
diff --git a/src/utils/log.js b/src/utils/log.js
deleted file mode 100644
index f6bd154..0000000
--- a/src/utils/log.js
+++ /dev/null
@@ -1,35 +0,0 @@
-import { isProduction } from './env';
-
-/* eslint no-console: 0 */
-
-/**
- * 反对使用某一方法或属性的警告
- * @param  {String} props     过时的属性或方法名
- * @param  {String} instead   替代的属性或方法名
- * @param  {String} component 组件名
- *
- * @example
- * log.deprecated('onBeforeClose', 'beforeClose', 'Dialog');
- * // Warning: onBeforeClose is deprecated at [ Dialog ], use [ beforeClose ] instead of it.
- */
-export function deprecated(props, instead, component) {
-    /* istanbul ignore else */
-    if (!isProduction() && typeof console !== 'undefined' && console.error) {
-        return console.error(
-            `Warning: [ ${props} ] is deprecated at [ ${component} ], ` +
-                `use [ ${instead} ] instead of it.`
-        );
-    }
-}
-
-/**
- * 控制台警告日志
- * @param {String} msg
- * @return {Console<Error> | void}
- */
-export function warning(msg) {
-    /* istanbul ignore else */
-    if (!isProduction() && typeof console !== 'undefined' && console.error) {
-        return console.error(`Warning: ${msg}`);
-    }
-}
diff --git a/src/utils/mapValidateRules.js b/src/utils/mapValidateRules.js
deleted file mode 100644
index 7358567..0000000
--- a/src/utils/mapValidateRules.js
+++ /dev/null
@@ -1,39 +0,0 @@
-function validateMap(rulesMap, rule, defaultTrigger) {
-    const nrule = Object.assign({}, rule);
-
-    if (!nrule.trigger) {
-        nrule.trigger = [defaultTrigger];
-    }
-
-    if (typeof nrule.trigger === 'string') {
-        nrule.trigger = [nrule.trigger];
-    }
-
-    for (let i = 0; i < nrule.trigger.length; i++) {
-        const trigger = nrule.trigger[i];
-
-        if (trigger in rulesMap) {
-            rulesMap[trigger].push(nrule);
-        } else {
-            rulesMap[trigger] = [nrule];
-        }
-    }
-
-    delete nrule.trigger;
-}
-
-/**
- * 提取rule里面的trigger并且做映射
- * @param  {Array} rules   规则
- * @param  {String} defaultTrigger 默认触发
- * @return {Object} {onChange:rule1, onBlur: rule2}
- */
-export default function mapValidateRules(rules, defaultTrigger) {
-    const rulesMap = {};
-
-    rules.forEach(rule => {
-        validateMap(rulesMap, rule, defaultTrigger);
-    });
-
-    return rulesMap;
-}
diff --git a/src/utils/object.js b/src/utils/object.js
deleted file mode 100644
index 3620489..0000000
--- a/src/utils/object.js
+++ /dev/null
@@ -1,266 +0,0 @@
-/**
- * 获取对象的类型
- * @param  {*} obj
- * @return {String}
- *
- * @example
- * typeOf([]) === 'Array'
- * typeOf() === 'Undefined'
- * typeOf(1) === 'Number'
- */
-export function typeOf(obj) {
-    return Object.prototype.toString.call(obj).replace(/\[object\s|]/g, '');
-}
-
-/**
- * 判断是否是数组或类数组对象
- * @param  {*}  obj
- * @return {Boolean}
- *
- * @example
- * isArrayLike([]) === true
- * isArrayLike(arguments) === true
- * isArrayLike(this.props.children) === true
- */
-export function isArrayLike(obj) {
-    const length = !!obj && 'length' in obj && obj.length;
-    const type = typeOf(obj);
-
-    return (
-        type === 'Array' ||
-        length === 0 ||
-        (typeof length === 'number' && length > 0 && length - 1 in obj)
-    );
-}
-
-/**
- * 判断对象是否是一个promise，即是否可以用.then
- * @param  {*}  obj
- * @return {Boolean}
- */
-export function isPromise(obj) {
-    return (
-        !!obj &&
-        (typeof obj === 'object' || typeof obj === 'function') &&
-        typeof obj.then === 'function'
-    );
-}
-
-/**
- * 是否是一个纯净的对象
- * @param  {*}  obj
- * @return {Boolean}
- * @reference https://github.com/jonschlinkert/is-plain-object
- */
-export function isPlainObject(obj) {
-    if (typeOf(obj) !== 'Object') {
-        return false;
-    }
-
-    const ctor = obj.constructor;
-
-    if (typeof ctor !== 'function') {
-        return false;
-    }
-
-    const prot = ctor.prototype;
-
-    if (typeOf(prot) !== 'Object') {
-        return false;
-    }
-
-    if (!prot.hasOwnProperty('isPrototypeOf')) {
-        return false;
-    }
-
-    return true;
-}
-
-/**
- * 对象浅比较
- * @param  {Object} objA
- * @param  {Object} objB
- * @param  {Function}  [compare] 手动调用方法比较
- * @return {Boolean}      对象浅比较是否相等
- *
- * @example
- * object.shallowEqual({a: 100}, {a: 100}); // true
- */
-export function shallowEqual(objA, objB, compare) {
-    if (objA === objB) {
-        return true;
-    }
-
-    // 其中一个不是object，则不相等
-    if (!objA || !objB || typeof objA + typeof objB !== 'objectobject') {
-        return false;
-    }
-
-    const keyA = Object.keys(objA);
-    const keyB = Object.keys(objB);
-    const len = keyA.length;
-
-    // key 数量不一致则不相等
-    if (len !== keyB.length) {
-        return false;
-    }
-
-    const hasCallback = typeof compare === 'function';
-
-    for (let i = 0; i < len; i++) {
-        const key = keyA[i];
-
-        if (!Object.prototype.hasOwnProperty.call(objB, key)) {
-            return false;
-        }
-
-        const valA = objA[key];
-        const valB = objB[key];
-
-        const ret = hasCallback ? compare(valA, valB, key) : void 0;
-
-        if (ret === false || (ret === void 0 && valA !== valB)) {
-            return false;
-        }
-    }
-
-    return true;
-}
-
-/**
- * 遍历对象或数组，或者类数组，例如React中的children对象、arguments等
- * @param  {Object|Array}   obj
- * @param  {Function} callback fn(n, i) or fn(val, key)
- * @param  {Number}   [direction = 1] 是否倒序遍历，只对数组有效
- * @return {Object|Array}
- *
- * @example
- * // 遍历数组
- * object.each([100, 200, 300], (n, i) => console.log(n, i));
- * // 遍历json对象
- * object.each({a: 100, b: 200}, (value, key) => console.log(key, value));
- * // 遍历React子节点
- * object.each(this.props.children, (child, index) => console.log(child));
- * // 遍历arguments
- * object.each(arguments, (arg, i) => console.log(arg));
- */
-export function each(obj, callback, direction) {
-    const reversed = direction === -1;
-    const length = obj.length;
-    let value,
-        i = reversed ? length - 1 : 0;
-
-    if (isArrayLike(obj)) {
-        for (; i < length && i >= 0; reversed ? i-- : i++) {
-            value = callback.call(obj[i], obj[i], i);
-
-            if (value === false) {
-                break;
-            }
-        }
-    } else {
-        for (i in obj) {
-            /* istanbul ignore else */
-            if (obj.hasOwnProperty(i)) {
-                value = callback.call(obj[i], obj[i], i);
-
-                if (value === false) {
-                    break;
-                }
-            }
-        }
-    }
-
-    return obj;
-}
-
-// @private 判断key是否在数组或对象中
-const _isInObj = (key, obj, isArray) =>
-    isArray ? obj.indexOf(key) > -1 : key in obj;
-
-/**
- * 过滤出其它属性
- * @param  {Object|Array} holdProps 过滤的参照对象，最终的结果只保留不在参照对象中的key
- * @param  {Object} props     被过滤的对象
- * @return {Object}           others
- *
- * @example
- * object.pickOthers(FooComponent.propTypes, this.props);
- * object.pickOthers(['className', 'onChange'], this.props);
- */
-export function pickOthers(holdProps, props) {
-    const others = {};
-    const isArray = typeOf(holdProps) === 'Array';
-
-    for (const key in props) {
-        if (!_isInObj(key, holdProps, isArray)) {
-            others[key] = props[key];
-        }
-    }
-
-    return others;
-}
-
-/**
- * 过滤出带prefix的属性
- * @param  {Object} holdProps 过滤的参照对象，最终的结果只保留不在参照对象中的key
- * @param  {string} prefix    包含的字符串
- * @return {Object}           others
- *
- * @example
- * object.pickAttrsWith(FooComponent.propTypes, 'data-');
- */
-export function pickAttrsWith(holdProps, prefix) {
-    const others = {};
-
-    for (const key in holdProps) {
-        if (key.match(prefix)) {
-            others[key] = holdProps[key];
-        }
-    }
-
-    return others;
-}
-
-/**
- * Checks if value is `null` or `undefined`.
- * @param {*} value
- * @return {Boolean}
- */
-export function isNil(value) {
-    // It will returns `true` only if `null` or `undefined` compare with `null`
-    // with loose equaliy
-    return value == null; // eslint-disable-line eqeqeq
-}
-
-/**
- * Deep merge two objects.
- * @param target
- * @param ...sources
- * @reference https://stackoverflow.com/questions/27936772/how-to-deep-merge-instead-of-shallow-merge?page=1&tab=votes#tab-top
- */
-export function deepMerge(target, ...sources) {
-    if (!sources.length) return target;
-    const source = sources.shift();
-
-    if (!isPlainObject(target)) {
-        target = {};
-    }
-
-    if (isPlainObject(target) && isPlainObject(source)) {
-        for (const key in source) {
-            if (isPlainObject(source[key])) {
-                if (!target[key]) Object.assign(target, { [key]: {} });
-                // fix {a: 'te'}, {a:{b:3}}
-                if (!isPlainObject(target[key])) {
-                    target[key] = source[key];
-                }
-                deepMerge(target[key], source[key]);
-            } else {
-                Object.assign(target, { [key]: source[key] });
-            }
-        }
-    }
-
-    return deepMerge(target, ...sources);
-}
diff --git a/src/utils/setIn.js b/src/utils/setIn.js
deleted file mode 100644
index da843a9..0000000
--- a/src/utils/setIn.js
+++ /dev/null
@@ -1,41 +0,0 @@
-const setInWithPath = (state, value, path, pathIndex) => {
-    if (pathIndex >= path.length) {
-        return value;
-    }
-
-    const first = path[pathIndex];
-    const next = setInWithPath(
-        state && state[first],
-        value,
-        path,
-        pathIndex + 1
-    );
-
-    if (!state) {
-        const initialized = isNaN(first) ? {} : [];
-        initialized[first] = next;
-        return initialized;
-    }
-
-    if (Array.isArray(state)) {
-        const copy = [].concat(state);
-        copy[first] = next;
-        return copy;
-    }
-
-    return Object.assign({}, state, {
-        [first]: next,
-    });
-};
-
-export default function setIn(state, name, value) {
-    return setInWithPath(
-        state,
-        value,
-        name
-            .replace(/\[/, '.')
-            .replace(/\]/, '')
-            .split('.'),
-        0
-    );
-}