diff --git a/components/collapse/panel.vue b/components/collapse/panel.vue
index 63e24ac..d9cae42 100644
--- a/components/collapse/panel.vue
+++ b/components/collapse/panel.vue
@@ -4,7 +4,7 @@
             <Icon type="arrow-right-b"></Icon>
             <slot></slot>
         </div>
-        <div :class="concentClasses" v-show="isActive" transition="height">
+        <div :class="concentClasses" v-show="isActive">
             <div :class="boxClasses"><slot name="content"></slot></div>
         </div>
     </div>
diff --git a/components/page/options.vue b/components/page/options.vue
index 0b75afd..51716e5 100644
--- a/components/page/options.vue
+++ b/components/page/options.vue
@@ -1,9 +1,9 @@
 <template>
     <div v-if="showSizer || showElevator" :class="optsClasses">
         <div v-if="showSizer" :class="sizerClasses">
-            <select v-model="pageSize" @change="changeSize">
-                <option :value="item" v-for="item in pageSizeOpts">{{ item }} 条/页</option>
-            </select>
+            <i-select :model.sync="pageSize" @on-change="changeSize">
+                <i-option v-for="item in pageSizeOpts" :value="item" style="text-align:center;">{{ item }} 条/页</i-option>
+            </i-select>
         </div>
         <div v-if="showElevator" :class="ElevatorClasses">
             跳至
@@ -13,6 +13,9 @@
     </div>
 </template>
 <script>
+    import iSelect from '../../components/select/select.vue';
+    import iOption from '../../components/select/option.vue';
+
     const prefixCls = 'ivu-page';
 
     function isValueNumber (value) {
@@ -20,6 +23,7 @@
     }
 
     export default {
+        components: { iSelect, iOption },
         props: {
             pageSizeOpts: Array,
             showSizer: Boolean,
diff --git a/components/select/dropdown.vue b/components/select/dropdown.vue
new file mode 100644
index 0000000..9522c01
--- /dev/null
+++ b/components/select/dropdown.vue
@@ -0,0 +1,59 @@
+<template>
+    <div class="ivu-select-dropdown"><slot></slot></div>
+</template>
+<script>
+    import Popper from 'popper.js';
+
+    export default {
+        data () {
+            return {
+                popper: null
+            }
+        },
+        methods: {
+            update () {
+                if (this.popper) {
+                    this.$nextTick(() => {
+                        this.popper.update();
+                    });
+                } else {
+                    this.$nextTick(() => {
+                        this.popper = new Popper(this.$parent.$els.reference, this.$el, {
+                            gpuAcceleration: false,
+                            placement: 'bottom-start',
+                            boundariesPadding: 0,
+                            forceAbsolute: true
+                        });
+                        this.popper.onCreate(popper => {
+                            this.resetTransformOrigin(popper);
+                        });
+                    });
+                }
+            },
+            destroy () {
+                if (this.popper) {
+                    this.resetTransformOrigin(this.popper);
+                    setTimeout(() => {
+                        this.popper.destroy();
+                        this.popper = null;
+                    }, 300);
+                }
+            },
+            resetTransformOrigin(popper) {
+                let placementMap = {top: 'bottom', bottom: 'top'};
+                let placement = popper._popper.getAttribute('x-placement').split('-')[0];
+                let origin = placementMap[placement];
+                popper._popper.style.transformOrigin = `center ${ origin }`;
+            }
+        },
+        ready () {
+            this.$on('on-update-popper', this.update);
+            this.$on('on-destroy-popper', this.destroy);
+        },
+        beforeDestroy () {
+            if (this.popper) {
+                this.popper.destroy();
+            }
+        }
+    }
+</script>
\ No newline at end of file
diff --git a/components/select/index.js b/components/select/index.js
new file mode 100644
index 0000000..07c6e6d
--- /dev/null
+++ b/components/select/index.js
@@ -0,0 +1,5 @@
+import Select from './select.vue';
+import Option from './option.vue';
+import OptionGroup from './option-group.vue';
+
+export { Select, Option, OptionGroup };
\ No newline at end of file
diff --git a/components/select/option-group.vue b/components/select/option-group.vue
new file mode 100644
index 0000000..e0c5d7b
--- /dev/null
+++ b/components/select/option-group.vue
@@ -0,0 +1,25 @@
+<template>
+    <li :class="[`${prefixCls}-wrap`]">
+        <div :class="[`${prefixCls}-title`]">{{ label }}</div>
+        <ul>
+            <li :class="[`${prefixCls}`]"><slot></slot></li>
+        </ul>
+    </li>
+</template>
+<script>
+    const prefixCls = 'ivu-select-group';
+
+    export default {
+        props: {
+            label: {
+                type: String,
+                default: ''
+            }
+        },
+        data () {
+            return {
+                prefixCls: prefixCls
+            }
+        }
+    }
+</script>
\ No newline at end of file
diff --git a/components/select/option.vue b/components/select/option.vue
new file mode 100644
index 0000000..1f073ba
--- /dev/null
+++ b/components/select/option.vue
@@ -0,0 +1,65 @@
+<template>
+    <li :class="classes" @click.stop="select" @mouseout.stop="blur"><slot>{{ showLabel }}</slot></li>
+</template>
+<script>
+    const prefixCls = 'ivu-select-item';
+
+    export default {
+        props: {
+            value: {
+                type: [String, Number],
+                required: true
+            },
+            label: {
+                type: [String, Number]
+            },
+            disabled: {
+                type: Boolean,
+                default: false
+            }
+        },
+        componentName: 'select-item',
+        data () {
+            return {
+                selected: false,
+                index: 0,    // for up and down to focus
+                isFocus: false
+            }
+        },
+        computed: {
+            classes () {
+                return [
+                    `${prefixCls}`,
+                    {
+                        [`${prefixCls}-disabled`]: this.disabled,
+                        [`${prefixCls}-selected`]: this.selected,
+                        [`${prefixCls}-focus`]: this.isFocus
+                    }
+                ]
+            },
+            showLabel () {
+                return (!!this.label) ? this.label : this.value;
+            }
+        },
+        methods: {
+            select () {
+                if (this.disabled) {
+                    return false;
+                }
+
+                this.$dispatch('on-select-selected', this.value);
+            },
+            blur () {
+                this.isFocus = false;
+            }
+        },
+        ready () {
+
+        },
+        events: {
+            'on-select-close' () {
+                this.isFocus = false;
+            }
+        }
+    }
+</script>
\ No newline at end of file
diff --git a/components/select/select.vue b/components/select/select.vue
new file mode 100644
index 0000000..a37a32c
--- /dev/null
+++ b/components/select/select.vue
@@ -0,0 +1,421 @@
+<template>
+    <div :class="classes" v-clickoutside="handleClose">
+        <div
+            :class="[`${prefixCls}-selection`]"
+            v-el:reference
+            @click="toggleMenu">
+            <div class="ivu-tag" v-if="multiple" v-for="item in selectedMultiple">
+                <span class="ivu-tag-text">{{ item.label }}</span>
+                <Icon type="ios-close-empty" @click.stop="removeTag($index)"></Icon>
+            </div>
+            <span :class="[`${prefixCls}-placeholder`]" v-show="showPlaceholder && !filterable">{{ placeholder }}</span>
+            <span :class="[`${prefixCls}-selected-value`]" v-show="!showPlaceholder && !multiple && !filterable">{{ selectedSingle }}</span>
+            <input
+                type="text"
+                :class="[`${prefixCls}-input`]"
+                v-if="filterable"
+                v-model="query"
+                :placeholder="placeholder"
+                :style="inputStyle">
+            <Icon type="ios-close" :class="[`${prefixCls}-arrow`]" v-show="showCloseIcon" @click.stop="clearSingleSelect"></Icon>
+            <Icon type="arrow-down-b" :class="[`${prefixCls}-arrow`]"></Icon>
+        </div>
+        <Dropdown v-show="visible" transition="slide-up" v-ref:dropdown>
+            <ul :class="[`${prefixCls}-dropdown-list`]"><slot></slot></ul>
+        </Dropdown>
+    </div>
+</template>
+<script>
+    import Icon from '../icon';
+    import Dropdown from './dropdown.vue';
+    import clickoutside from '../../directives/clickoutside';
+    import { oneOf } from '../../utils/assist';
+
+    const prefixCls = 'ivu-select';
+
+    export default {
+        components: { Icon, Dropdown },
+        directives: { clickoutside },
+        props: {
+            model: {
+                type: [String, Number, Array],
+                default: ''
+            },
+            multiple: {
+                type: Boolean,
+                default: false
+            },
+            disabled: {
+                type: Boolean,
+                default: false
+            },
+            clearable: {
+                type: Boolean,
+                default: false
+            },
+            placeholder: {
+                type: String,
+                default: '请选择'
+            },
+            filterable: {
+                type: Boolean,
+                default: false
+            },
+            filterMethod: {
+                type: Function
+            },
+            size: {
+                validator (value) {
+                    return oneOf(value, ['small', 'large']);
+                }
+            },
+            labelInValue: {
+                type: Boolean,
+                default: false
+            }
+        },
+        data () {
+            return {
+                prefixCls: prefixCls,
+                visible: false,
+                options: [],
+                optionInstances: [],
+                selectedSingle: '',    // label
+                selectedMultiple: [],
+                focusIndex: 0,
+                query: '',
+                inputLength: 20
+            }
+        },
+        computed: {
+            classes () {
+                return [
+                    `${prefixCls}`,
+                    {
+                        [`${prefixCls}-visible`]: this.visible,
+                        [`${prefixCls}-disabled`]: this.disabled,
+                        [`${prefixCls}-multiple`]: this.multiple,
+                        [`${prefixCls}-single`]: !this.multiple,
+                        [`${prefixCls}-show-clear`]: this.showCloseIcon,
+                        [`${prefixCls}-${this.size}`]: !!this.size
+                    }
+                ]
+            },
+            showPlaceholder () {
+                let status = false;
+
+                if ((typeof this.model) === 'string') {
+                    if (this.model === '') {
+                        status = true;
+                    }
+                } else if (Array.isArray(this.model)) {
+                    if (!this.model.length) {
+                        status = true;
+                    }
+                }
+
+                return status;
+            },
+            showCloseIcon () {
+                return !this.multiple && this.clearable && !this.showPlaceholder;
+            },
+            inputStyle () {
+                let style = {};
+
+                if (this.multiple) {
+                    style.width = `${this.inputLength}px`;
+                }
+
+                return style;
+            }
+        },
+        methods: {
+            toggleMenu () {
+                if (this.disabled) {
+                    return false;
+                }
+
+                this.visible = !this.visible;
+            },
+            hideMenu () {
+                this.visible = false;
+                this.focusIndex = 0;
+                this.$broadcast('on-select-close');
+            },
+            // find option component
+            findChild (cb) {
+                const find = function (child) {
+                    const name = child.$options.componentName;
+
+                    if (name) {
+                        cb(child);
+                    } else if (child.$children.length) {
+                        child.$children.forEach((innerChild) => {
+                            find(innerChild, cb);
+                        });
+                    }
+                };
+
+                if (this.optionInstances.length) {
+                    this.optionInstances.forEach((child) => {
+                        find(child);
+                    })
+                } else {
+                    this.$children.forEach((child) => {
+                        find(child);
+                    });
+                }
+            },
+            updateOptions (init) {
+                let options = [];
+                let index = 1;
+
+                this.findChild((child) => {
+                    options.push({
+                        value: child.value,
+                        label: (child.label === undefined) ? child.$el.innerHTML : child.label
+                    });
+                    child.index = index++;
+
+                    if (init) {
+                        this.optionInstances.push(child);
+                    }
+                });
+
+                this.options = options;
+
+                if (init) {
+                    this.updateSingleSelected(true);
+                    this.updateMultipleSelected(true);
+                }
+            },
+            updateSingleSelected (init = false) {
+                const type = typeof this.model;
+
+                if (type === 'string' || type === 'number') {
+                    for (let i = 0; i < this.options.length; i++) {
+                        if (this.model === this.options[i].value) {
+                            this.selectedSingle = this.options[i].label;
+                            break;
+                        }
+                    }
+                }
+
+                this.toggleSingleSelected(this.model, init);
+            },
+            clearSingleSelect () {
+                if (this.showCloseIcon) {
+                    this.findChild((child) => {
+                        child.selected = false;
+                    });
+                    this.model = '';
+                }
+            },
+            updateMultipleSelected (init = false) {
+                if (this.multiple && Array.isArray(this.model)) {
+                    let selected = [];
+
+                    for (let i = 0; i < this.model.length; i++) {
+                        const model = this.model[i];
+
+                        for (let j = 0; j < this.options.length; j++) {
+                            const option = this.options[j];
+
+                            if (model === option.value) {
+                                selected.push({
+                                    value: option.value,
+                                    label: option.label
+                                })
+                            }
+                        }
+                    }
+
+                    this.selectedMultiple = selected;
+                }
+
+                this.toggleMultipleSelected(this.model, init);
+            },
+            removeTag (index) {
+                if (this.disabled) {
+                    return false;
+                }
+                this.model.splice(index, 1);
+            },
+            // to select option for single
+            toggleSingleSelected (value, init = false) {
+                if (!this.multiple) {
+                    let label = '';
+
+                    this.findChild((child) => {
+                        if (child.value === value) {
+                            child.selected = true;
+                            label = (child.label === undefined) ? child.$el.innerHTML : child.label;
+                        } else {
+                            child.selected = false;
+                        }
+                    });
+
+                    this.hideMenu();
+
+                    if (!init) {
+                        if (this.labelInValue) {
+                            this.$emit('on-change', {
+                                value: value,
+                                label: label
+                            });
+                        } else {
+                            this.$emit('on-change', value);
+                        }
+                    }
+                }
+            },
+            // to select option for multiple
+            toggleMultipleSelected (value, init = false) {
+                if (this.multiple) {
+                    let hybridValue = [];
+                    for (let i = 0; i < value.length; i++) {
+                        hybridValue.push({
+                            value: value[i]
+                        });
+                    }
+
+                    this.findChild((child) => {
+                        const index = value.indexOf(child.value);
+
+                        if (index >= 0) {
+                            child.selected = true;
+                            hybridValue[index].label = (child.label === undefined) ? child.$el.innerHTML : child.label;
+                        } else {
+                            child.selected = false;
+                        }
+                    });
+
+                    if (!init) {
+                        if (this.labelInValue) {
+                            this.$emit('on-change', hybridValue);
+                        } else {
+                            this.$emit('on-change', value);
+                        }
+                    }
+                }
+            },
+            handleClose () {
+                this.hideMenu();
+            },
+            handleKeydown (e) {
+                if (this.visible) {
+                    const keyCode = e.keyCode;
+                    // Esc slide-up
+                    if (keyCode === 27) {
+                        e.preventDefault();
+                        this.hideMenu();
+                    }
+                    // next
+                    if (keyCode === 40) {
+                        e.preventDefault();
+                        this.navigateOptions('next');
+                    }
+                    // prev
+                    if (keyCode === 38) {
+                        e.preventDefault();
+                        this.navigateOptions('prev');
+                    }
+                    // enter
+                    if (keyCode === 13) {
+                        e.preventDefault();
+
+                        this.findChild((child) => {
+                            if (child.isFocus) {
+                                child.select();
+                            }
+                        });
+                    }
+                }
+            },
+            navigateOptions (direction) {
+                if (direction === 'next') {
+                    const next = this.focusIndex + 1;
+                    this.focusIndex = (this.focusIndex === this.options.length) ? 1 : next;
+                } else if (direction === 'prev') {
+                    const prev = this.focusIndex - 1;
+                    this.focusIndex = (this.focusIndex <= 1) ? this.options.length : prev;
+                }
+
+                let child_status = {
+                    disabled: false
+                };
+
+                this.findChild((child) => {
+                    if (child.index === this.focusIndex) {
+                        child_status.disabled = child.disabled;
+
+                        if (!child.disabled) {
+                            child.isFocus = true;
+                        }
+                    } else {
+                        child.isFocus = false;
+                    }
+                });
+
+                this.resetScrollTop();
+
+                if (child_status.disabled) {
+                    this.navigateOptions(direction);
+                }
+            },
+            resetScrollTop () {
+                const index = this.focusIndex - 1;
+                let bottomOverflowDistance = this.optionInstances[index].$el.getBoundingClientRect().bottom - this.$refs.dropdown.$el.getBoundingClientRect().bottom;
+                let topOverflowDistance = this.optionInstances[index].$el.getBoundingClientRect().top - this.$refs.dropdown.$el.getBoundingClientRect().top;
+
+                if (bottomOverflowDistance > 0) {
+                    this.$refs.dropdown.$el.scrollTop += bottomOverflowDistance;
+                }
+                if (topOverflowDistance < 0) {
+                    this.$refs.dropdown.$el.scrollTop += topOverflowDistance;
+                }
+            }
+        },
+        ready () {
+            this.updateOptions(true);
+            document.addEventListener('keydown', this.handleKeydown);
+        },
+        beforeDestroy () {
+            document.removeEventListener('keydown', this.handleKeydown);
+        },
+        watch: {
+            model () {
+                if (this.multiple) {
+                    this.updateMultipleSelected();
+                } else {
+                    this.updateSingleSelected();
+                }
+            },
+            visible (val) {
+                if (val) {
+                    this.$broadcast('on-update-popper');
+                } else {
+
+                }
+            }
+        },
+        events: {
+            'on-select-selected' (value) {
+                if (this.model === value) {
+                    this.hideMenu();
+                } else {
+                    if (this.multiple) {
+                        const index = this.model.indexOf(value);
+                        if (index >= 0) {
+                            this.removeTag(index);
+                        } else {
+                            this.model.push(value);
+                        }
+                    } else {
+                        this.model = value;
+                    }
+                }
+            }
+        }
+    }
+</script>
\ No newline at end of file
diff --git a/directives/clickoutside.js b/directives/clickoutside.js
new file mode 100644
index 0000000..437f155
--- /dev/null
+++ b/directives/clickoutside.js
@@ -0,0 +1,19 @@
+export default {
+    bind () {
+        this.documentHandler = (e) => {
+            if (this.el.contains(e.target)) {
+                return false;
+            }
+            if (this.expression) {
+                this.vm[this.expression]();
+            }
+        };
+        document.addEventListener('click', this.documentHandler);
+    },
+    update () {
+
+    },
+    unbind () {
+        document.removeEventListener('click', this.documentHandler);
+    }
+}
\ No newline at end of file
diff --git a/index.js b/index.js
index b353df0..cff1965 100644
--- a/index.js
+++ b/index.js
@@ -24,6 +24,7 @@ import Message from './components/message';
 import Notice from './components/notice';
 import LoadingBar from './components/loading-bar';
 import Modal from './components/modal';
+import { Select, Option, OptionGroup } from './components/select';
 
 const iview = {
     Button,
@@ -52,7 +53,10 @@ const iview = {
     Message,
     Notice,
     LoadingBar,
-    Modal
+    Modal,
+    iSelect: Select,
+    iOption: Option,
+    iOptionGroup: OptionGroup
 };
 
 module.exports = iview;
\ No newline at end of file
diff --git a/local/main.js b/local/main.js
index 5eaedcc..5a0453b 100644
--- a/local/main.js
+++ b/local/main.js
@@ -60,6 +60,11 @@ router.map({
         component: function (resolve) {
             require(['./routers/tag.vue'], resolve);
         }
+    },
+    '/select': {
+        component: function (resolve) {
+            require(['./routers/select.vue'], resolve);
+        }
     }
 });
 
diff --git a/local/routers/index.vue b/local/routers/index.vue
index 9d4bb8d..28fcae6 100644
--- a/local/routers/index.vue
+++ b/local/routers/index.vue
@@ -2,14 +2,7 @@
 
 </style>
 <template>
-    <Button @click="info">info</Button>
-    <Button @click="success">success</Button>
-    <Button @click="warning">warning</Button>
-    <Button @click="error">error</Button>
-    <Button @click="confirm">confirm</Button>
-    <Page :total="11" :page-size="11"></Page>
-    <Page :total="11" size="small"></Page>
-    <Page :current="1" :total="0" simple></Page>
+    <Page :total="100" show-sizer></Page>
 </template>
 <script>
     import { Modal, Button, Message, Page } from 'iview';
diff --git a/local/routers/select.vue b/local/routers/select.vue
new file mode 100644
index 0000000..00e6769
--- /dev/null
+++ b/local/routers/select.vue
@@ -0,0 +1,99 @@
+<template>
+    <div>
+        <!--<br><br><br><br><br><br><br><br><br><br><br>-->
+        {{ city | json }}<br>
+        <Button @click="city = 'hangzhou'">切换城市</Button>
+        <br>
+        <i-select :model.sync="city" style="width:200px" @on-change="change">
+            <i-option-group label="热门城市">
+                <i-option value="beijing">北京市</i-option>
+                <i-option value="shanghai" disabled label="上海市">上海市2</i-option>
+                <i-option value="shenzhen">深圳市</i-option>
+            </i-option-group>
+            <i-option-group label="二线城市">
+                <i-option value="nanjing">南京市</i-option>
+                <i-option value="hangzhou">杭州市</i-option>
+            </i-option-group>
+            <i-option value="heilongjiang" disabled>黑龙江市</i-option>
+            <i-option-group label="热门城市">
+                <i-option value="beijing">北京市</i-option>
+                <i-option value="shanghai" disabled label="上海市">上海市2</i-option>
+                <i-option value="shenzhen">深圳市</i-option>
+            </i-option-group>
+            <i-option-group label="二线城市">
+                <i-option value="nanjing">南京市</i-option>
+                <i-option value="hangzhou">杭州市</i-option>
+            </i-option-group>
+            <i-option value="heilongjiang" disabled>黑龙江市</i-option>
+            <i-option-group label="热门城市">
+                <i-option value="beijing">北京市</i-option>
+                <i-option value="shanghai" disabled label="上海市">上海市2</i-option>
+                <i-option value="shenzhen">深圳市</i-option>
+            </i-option-group>
+            <i-option-group label="二线城市">
+                <i-option value="nanjing">南京市</i-option>
+                <i-option value="hangzhou">杭州市</i-option>
+            </i-option-group>
+            <i-option value="heilongjiang" disabled>黑龙江市</i-option>
+        </i-select>
+
+        <i-select :model.sync="focus" style="width:200px" @on-change="change" clearable filterable label-in-value>
+            <i-option value="beijing">北京市</i-option>
+            <i-option value="shanghai" label="上海市">上海市</i-option>
+            <i-option value="shenzhen" disabled>深圳市</i-option>
+            <i-option value="guangzhou" label="广州市">广州市2</i-option>
+            <i-option value="shijiazhuang" disabled>石家庄市</i-option>
+            <i-option value="a">a市</i-option>
+            <i-option value="b">b市</i-option>
+            <i-option value="c">c市</i-option>
+            <i-option value="d">d市</i-option>
+            <i-option value="e">e市</i-option>
+        </i-select>
+
+        <i-select :model.sync="focus2" style="width:300px" @on-change="change" clearable multiple>
+            <i-option value="beijing">北京市</i-option>
+            <i-option value="shanghai">上海市</i-option>
+            <i-option value="shenzhen" disabled>深圳市</i-option>
+            <i-option value="guangzhou">广州市</i-option>
+            <i-option value="shijiazhuang">石家庄市</i-option>
+            <i-option value="a">a市</i-option>
+            <i-option value="b">b市</i-option>
+            <i-option value="c">c市</i-option>
+            <i-option value="d">d市</i-option>
+            <i-option value="e">e市</i-option>
+        </i-select>
+
+        <br><br><br><br><br><br><br><br><br><br><br><br>
+    </div>
+</template>
+<script>
+    import { iSelect, iOption, iOptionGroup, Button } from 'iview';
+
+    export default {
+        components: {
+            iSelect,
+            iOption,
+            iOptionGroup,
+            Button
+        },
+        props: {
+        
+        },
+        data () {
+            return {
+                city: '',
+                focus: '',
+                focus2: ['beijing', 'guangzhou', 'b']
+//                focus2: []
+            }
+        },
+        computed: {
+        
+        },
+        methods: {
+            change (data) {
+                console.log(data)
+            }
+        }
+    }
+</script>
\ No newline at end of file
diff --git a/local/routers/tag.vue b/local/routers/tag.vue
index 6995d5d..fce8efd 100644
--- a/local/routers/tag.vue
+++ b/local/routers/tag.vue
@@ -1,79 +1,30 @@
 <template>
-    <div>
-        <Button @click="start">start</Button>
-        <Button @click="destroy">destroy</Button>
-        <Button @click="finish">finish</Button>
-        <Button @click="error">error</Button>
-        <Button @click="update">update</Button>
-        <br><br>
-        <Page :total="100"></Page>
-        <Page :total="100" show-sizer></Page>
-        <Page :total="100" show-elevator></Page>
-        <Page :total="100" show-total></Page>
-        <br><br>
-        <Page :current="2" :total="50" simple></Page>
-        <br>
-        <Page :total="400" size="small"></Page>
-        <br>
-        <Page :total="400" size="small" show-elevator show-sizer></Page>
-        <br>
-        <Page :total="400" size="small" show-total></Page>
-    </div>
+    <Collapse active-key="1">
+        <Panel key="1">
+            史蒂夫·乔布斯
+            <p slot="content">史蒂夫·乔布斯（Steve Jobs），1955年2月24日生于美国加利福尼亚州旧金山，美国发明家、企业家、美国苹果公司联合创办人。</p>
+        </Panel>
+        <Panel key="2">
+            斯蒂夫·盖瑞·沃兹尼亚克
+            <p slot="content">斯蒂夫·盖瑞·沃兹尼亚克（Stephen Gary Wozniak），美国电脑工程师，曾与史蒂夫·乔布斯合伙创立苹果电脑（今之苹果公司）。斯蒂夫·盖瑞·沃兹尼亚克曾就读于美国科罗拉多大学，后转学入美国著名高等学府加州大学伯克利分校（UC Berkeley）并获得电机工程及计算机（EECS）本科学位（1987年）。</p>
+        </Panel>
+        <Panel key="3">
+            乔纳森·伊夫
+            <p slot="content">乔纳森·伊夫是一位工业设计师，现任Apple公司设计师兼资深副总裁，英国爵士。他曾参与设计了iPod，iMac，iPhone，iPad等众多苹果产品。除了乔布斯，他是对苹果那些著名的产品最有影响力的人。</p>
+        </Panel>
+    </Collapse>
+    <Input-number :max="10" :min="1" :value="1" @on-change="change"></Input-number>
+    <Input-number :max="10" :min="1" :step="1.2" :value="1"></Input-number>
 </template>
 <script>
-    import { Tag, LoadingBar, Button, Progress, Icon, Timeline, Page } from 'iview';
-    const ButtonGroup = Button.Group;
-    const TimelineItem = Timeline.Item;
+    import { Collapse, InputNumber } from 'iview';
+    const Panel = Collapse.Panel;
     export default {
-        components: {
-            Tag,
-            Button,
-            Progress,
-            ButtonGroup,
-            Timeline,
-            TimelineItem,
-            Icon,
-            Page
-        },
-        props: {
-        
-        },
-        data () {
-            return {
-                percent: 0
-            }
-        },
-        computed: {
-        
-        },
+        components: { Collapse, Panel, InputNumber },
         methods: {
-            start () {
-                LoadingBar.start();
-            },
-            destroy () {
-                LoadingBar.destroy();
-            },
-            finish () {
-                LoadingBar.finish();
-            },
-            error () {
-                LoadingBar.error();
-            },
-            update () {
-                LoadingBar.update(50);
-            },
-            add () {
-                if (this.percent >= 100) {
-                    return false;
-                }
-                this.percent += 10;
-            },
-            minus () {
-                if (this.percent <= 0) {
-                    return false;
-                }
-                this.percent -= 10;
+            change (data) {
+                console.log(data);
             }
         }
     }
-</script>
\ No newline at end of file
+</script>
diff --git a/package.json b/package.json
index 05d07ea..cfec2ee 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "iview",
-  "version": "0.9.3",
+  "version": "0.9.4",
   "title": "iView",
   "description": "A high quality  UI components Library with Vue.js",
   "homepage": "http://www.iviewui.com",
@@ -29,6 +29,7 @@
     "url": "https://github.com/iview/iview/issues"
   },
   "dependencies": {
+    "popper.js": "^0.6.4",
     "vue": "^1.0.26"
   },
   "devDependencies": {
diff --git a/styles/animation/index.less b/styles/animation/index.less
index 96db859..7a656ec 100644
--- a/styles/animation/index.less
+++ b/styles/animation/index.less
@@ -24,4 +24,5 @@
 
 @import "fade";
 @import "move";
-@import "ease";
\ No newline at end of file
+@import "ease";
+@import "slide";
\ No newline at end of file
diff --git a/styles/animation/slide.less b/styles/animation/slide.less
new file mode 100644
index 0000000..c0d4b08
--- /dev/null
+++ b/styles/animation/slide.less
@@ -0,0 +1,119 @@
+.slide-motion(@className, @keyframeName) {
+    .make-motion(@className, @keyframeName);
+    .@{className}-enter, .@{className}-appear {
+        opacity: 0;
+        animation-timing-function: @ease-in-out;
+    }
+    .@{className}-leave {
+        animation-timing-function: @ease-in-out;
+    }
+}
+
+.slide-motion(slide-up, ivuSlideUp);
+.slide-motion(slide-down, ivuSlideDown);
+.slide-motion(slide-left, ivuSlideLeft);
+.slide-motion(slide-right, ivuSlideRight);
+
+@keyframes ivuSlideUpIn {
+    0% {
+        opacity: 0;
+        transform-origin: 0% 0%;
+        transform: scaleY(.8);
+    }
+    100% {
+        opacity: 1;
+        transform-origin: 0% 0%;
+        transform: scaleY(1);
+    }
+}
+
+@keyframes ivuSlideUpOut {
+    0% {
+        opacity: 1;
+        transform-origin: 0% 0%;
+        transform: scaleY(1);
+    }
+    100% {
+        opacity: 0;
+        transform-origin: 0% 0%;
+        transform: scaleY(.8);
+    }
+}
+
+@keyframes ivuSlideDownIn {
+    0% {
+        opacity: 0;
+        transform-origin: 100% 100%;
+        transform: scaleY(.8);
+    }
+    100% {
+        opacity: 1;
+        transform-origin: 100% 100%;
+        transform: scaleY(1);
+    }
+}
+
+@keyframes ivuSlideDownOut {
+    0% {
+        opacity: 1;
+        transform-origin: 100% 100%;
+        transform: scaleY(1);
+    }
+    100% {
+        opacity: 0;
+        transform-origin: 100% 100%;
+        transform: scaleY(.8);
+    }
+}
+
+@keyframes ivuSlideLeftIn {
+    0% {
+        opacity: 0;
+        transform-origin: 0% 0%;
+        transform: scaleX(.8);
+    }
+    100% {
+        opacity: 1;
+        transform-origin: 0% 0%;
+        transform: scaleX(1);
+    }
+}
+
+@keyframes ivuSlideLeftOut {
+    0% {
+        opacity: 1;
+        transform-origin: 0% 0%;
+        transform: scaleX(1);
+    }
+    100% {
+        opacity: 0;
+        transform-origin: 0% 0%;
+        transform: scaleX(.8);
+    }
+}
+
+@keyframes ivuSlideRightIn {
+    0% {
+        opacity: 0;
+        transform-origin: 100% 0%;
+        transform: scaleX(.8);
+    }
+    100% {
+        opacity: 1;
+        transform-origin: 100% 0%;
+        transform: scaleX(1);
+    }
+}
+
+@keyframes ivuSlideRightOut {
+    0% {
+        opacity: 1;
+        transform-origin: 100% 0%;
+        transform: scaleX(1);
+    }
+    100% {
+        opacity: 0;
+        transform-origin: 100% 0%;
+        transform: scaleX(.8);
+    }
+}
\ No newline at end of file
diff --git a/styles/common/iconfont/_ionicons-font.less b/styles/common/iconfont/_ionicons-font.less
index 6f9a804..2c68f28 100755
--- a/styles/common/iconfont/_ionicons-font.less
+++ b/styles/common/iconfont/_ionicons-font.less
@@ -12,16 +12,20 @@
  font-style: normal;
 }
 
+.ivu-icon() {
+    display: inline-block;
+    font-family: @ionicons-font-family;
+    speak: none;
+    font-style: normal;
+    font-weight: normal;
+    font-variant: normal;
+    text-transform: none;
+    text-rendering: auto;
+    line-height: 1;
+    -webkit-font-smoothing: antialiased;
+    -moz-osx-font-smoothing: grayscale;
+}
+
 .ivu-icon {
-  display: inline-block;
-  font-family: @ionicons-font-family;
-  speak: none;
-  font-style: normal;
-  font-weight: normal;
-  font-variant: normal;
-  text-transform: none;
-  text-rendering: auto;
-  line-height: 1;
-  -webkit-font-smoothing: antialiased;
-  -moz-osx-font-smoothing: grayscale;
+    .ivu-icon();
 }
\ No newline at end of file
diff --git a/styles/components/index.less b/styles/components/index.less
index 1b0b47a..c06d6d5 100644
--- a/styles/components/index.less
+++ b/styles/components/index.less
@@ -19,4 +19,6 @@
 @import "timeline";
 @import "page";
 @import "steps";
-@import "modal";
\ No newline at end of file
+@import "modal";
+@import "select";
+@import "select-dropdown";
\ No newline at end of file
diff --git a/styles/components/select-dropdown.less b/styles/components/select-dropdown.less
new file mode 100644
index 0000000..58aca82
--- /dev/null
+++ b/styles/components/select-dropdown.less
@@ -0,0 +1,16 @@
+@select-dropdown-prefix-cls: ~"@{css-prefix}select-dropdown";
+
+.@{select-dropdown-prefix-cls} {
+    width: 100%;
+    max-height: 200px;
+    overflow: auto;
+    margin: 5px 0;
+    padding: 7px 0;
+    background-color: #fff;
+    box-sizing: border-box;
+    border: 1px solid @border-color-base;
+    border-radius: @btn-border-radius;
+    box-shadow: 0 1px 3px rgba(0,0,0,.2);
+    position: absolute;
+    z-index: @zindex-select;
+}
\ No newline at end of file
diff --git a/styles/components/select.less b/styles/components/select.less
new file mode 100644
index 0000000..5b14788
--- /dev/null
+++ b/styles/components/select.less
@@ -0,0 +1,242 @@
+@select-prefix-cls: ~"@{css-prefix}select";
+@select-item-prefix-cls: ~"@{css-prefix}select-item";
+@select-group-prefix-cls: ~"@{css-prefix}select-group";
+
+.@{select-prefix-cls} {
+    display: inline-block;
+    width: 100%;
+    box-sizing: border-box;
+    vertical-align: middle;
+    color: @text-color;
+    font-size: @font-size-base;
+    position: relative;
+
+    &-selection {
+        display: block;
+        box-sizing: border-box;
+        outline: none;
+        user-select: none;
+        cursor: pointer;
+
+        background-color: #fff;
+        border-radius: @btn-border-radius;
+        border: 1px solid @border-color-base;
+        .transition(all @transition-time @ease-in-out);
+
+        .@{select-prefix-cls}-arrow:nth-of-type(1) {
+            display: none;
+            cursor: pointer;
+        }
+
+        &:hover {
+            .hover();
+            .@{select-prefix-cls}-arrow:nth-of-type(1) {
+                display: inline-block;
+            }
+        }
+    }
+
+    &-show-clear &-selection:hover .@{select-prefix-cls}-arrow:nth-of-type(2){
+        display: none;
+    }
+
+    &-arrow {
+        position: absolute;
+        top: 50%;
+        right: 8px;
+        line-height: 1;
+        margin-top: -6px;
+        color: @border-color-base;
+        .transition(all @transition-time @ease-in-out);
+    }
+
+    &-visible{
+        .@{select-prefix-cls}-selection{
+            .active();
+        }
+
+        .@{select-prefix-cls}-arrow:nth-of-type(2) {
+            .transform(rotate(180deg));
+        }
+    }
+
+    &-disabled {
+        .@{select-prefix-cls}-selection {
+            .disabled();
+
+            .@{select-prefix-cls}-arrow:nth-of-type(1) {
+                display: none;
+            }
+
+            &:hover {
+                border-color: @border-color-base;
+                box-shadow: none;
+
+                .@{select-prefix-cls}-arrow:nth-of-type(2) {
+                    display: inline-block;
+                }
+            }
+        }
+    }
+
+    &-single &-selection{
+        height: 28px;
+        position: relative;
+
+        .@{select-prefix-cls}-placeholder{
+            color: @input-placeholder-color;
+        }
+
+        .@{select-prefix-cls}-placeholder, .@{select-prefix-cls}-selected-value{
+            display: block;
+            height: 26px;
+            line-height: 26px;
+            overflow: hidden;
+            text-overflow: ellipsis;
+            white-space: nowrap;
+            padding-left: 8px;
+            padding-right: 24px;
+        }
+    }
+
+    &-large&-single &-selection{
+        height: 32px;
+
+        .@{select-prefix-cls}-placeholder, .@{select-prefix-cls}-selected-value{
+            height: 30px;
+            line-height: 30px;
+        }
+    }
+
+    &-small&-single &-selection{
+        height: 22px;
+        border-radius: @btn-border-radius-small;
+
+        .@{select-prefix-cls}-placeholder, .@{select-prefix-cls}-selected-value{
+            height: 20px;
+            line-height: 20px;
+        }
+    }
+
+    &-multiple &-selection{
+        padding: 0 24px 0 2px;
+        min-height: 28px;
+
+        .@{select-prefix-cls}-placeholder{
+            display: block;
+            height: 26px;
+            line-height: 26px;
+            color: @input-placeholder-color;
+            overflow: hidden;
+            text-overflow: ellipsis;
+            white-space: nowrap;
+            padding-left: 8px;
+            padding-right: 22px;
+        }
+    }
+
+    // input
+    &-input{
+        display: inline-block;
+        height: @input-height-base;
+        line-height: @input-height-base;
+        padding: 0 24px 0 8px;
+        font-size: @font-size-base;
+        outline: none;
+        border: none;
+        box-sizing: border-box;
+        color: @input-color;
+        background-color: transparent;
+        position: relative;
+        cursor: pointer;
+        .placeholder();
+    }
+
+    &-single &-input{
+        width: 100%;
+    }
+
+    &-large &-input{
+        height: @input-height-large;
+    }
+
+    &-small &-input{
+        height: @input-height-small;
+    }
+}
+
+.@{select-item-prefix-cls} {
+    margin: 0;
+    padding: 7px 15px;
+    clear: both;
+    color: @text-color;
+    //border-radius: @btn-border-radius-small;
+    white-space: nowrap;
+    cursor: pointer;
+    .transition(background @transition-time @ease-in-out);
+
+    &:hover{
+        background: @background-color-select-hover;
+    }
+
+    &-focus {
+        background: @background-color-select-hover;
+    }
+
+    &-disabled {
+        color: @btn-disable-color;
+        cursor: @cursor-disabled;
+
+        &:hover {
+            color: @btn-disable-color;
+            background-color: #fff;
+            cursor: @cursor-disabled;
+        }
+    }
+
+    &-selected ,&-selected:hover{
+        color: #fff;
+        background: @selected-color;
+    }
+
+    &-selected&-focus {
+        background: shade(@selected-color, 10%);
+    }
+}
+
+.@{select-prefix-cls}-multiple .@{select-item-prefix-cls} {
+    &-selected{
+        color: @selected-color;
+        background: #fff;
+    }
+    &-focus,&-selected:hover{
+        background: @background-color-select-hover;
+    }
+
+    &-selected&-focus {
+        color: shade(@selected-color, 10%);
+        background: #fff;
+    }
+
+    &-selected:after{
+        .ivu-icon();
+        float: right;
+        font-size: 24px;
+        content: '\F3FD';
+        color: @selected-color;
+    }
+}
+
+.@{select-group-prefix-cls} {
+    list-style: none;
+    margin: 0;
+    padding: 0;
+
+    &-title {
+        padding-left: 10px;
+        font-size: 12px;
+        color: @legend-color;
+        height: 30px;
+        line-height: 30px;
+    }
+}
\ No newline at end of file
diff --git a/styles/themes/default/custom.less b/styles/themes/default/custom.less
index f176b66..685a242 100644
--- a/styles/themes/default/custom.less
+++ b/styles/themes/default/custom.less
@@ -10,6 +10,7 @@
 @link-color             : #0099e5;
 @link-hover-color       : tint(@link-color, 20%);
 @link-active-color      : shade(@link-color, 5%);
+@selected-color         : fade(@primary-color, 90%);
 
 // Base
 @body-background        : #fff;
@@ -28,7 +29,8 @@
 @border-color-split     : #e9e9e9;  // inside
 
 // Background color
-@background-color-base  : #f7f7f7;  // base
+@background-color-base        : #f7f7f7;  // base
+@background-color-select-hover: @input-disabled-bg;
 
 // Shadow
 @shadow-color           : rgba(100, 100, 100, .2);
@@ -102,6 +104,7 @@
 @zindex-spin            : 8;
 @zindex-affix           : 10;
 @zindex-back-top        : 10;
+@zindex-select          : 900;
 @zindex-modal           : 1000;
 @zindex-message         : 1010;
 @zindex-notification    : 1010;
--
libgit2 0.21.4