diff --git a/examples/docs/input-number.md b/examples/docs/input-number.md
index 75b1a94a1..4955988d1 100644
--- a/examples/docs/input-number.md
+++ b/examples/docs/input-number.md
@@ -21,45 +21,45 @@
 <p>当我们需要标准的数字值时可以用到这个组件，它为你提供了数值输入提供了范围控制和递增递减的步数控制。</p>
 
 <div class="demo-box demo-input-number">
-  <el-input-number :value.sync="num1"></el-input-number>
+  <el-input-number v-model="num1"></el-input-number>
 </div>
 
 ```html
-<el-input-number :value.sync="num1"></el-input-number>
+<el-input-number v-model="num1"></el-input-number>
 ```
 
 ## 禁用状态
 
 <div class="demo-box demo-input-number">
-  <el-input-number :value.sync="num1" :disabled="true"></el-input-number>
+  <el-input-number v-model="num1" :disabled="true"></el-input-number>
 </div>
 
 ```html
-<el-input-number :value.sync="num1" :disabled="true"></el-input-number>
+<el-input-number v-model="num1" :disabled="true"></el-input-number>
 ```
 
 ## 步数
 
 <div class="demo-box demo-input-number">
-  <el-input-number :value.sync="num2" :step="2"></el-input-number>
+  <el-input-number v-model="num2" :step="2"></el-input-number>
 </div>
 
 ```html
-<el-input-number :value.sync="num2" :step="2"></el-input-number>
+<el-input-number v-model="num2" :step="2"></el-input-number>
 ```
 
 ## 尺寸
 
 <div class="demo-box demo-input-number">
-  <el-input-number :value.sync="num1" size="large"></el-input-number>
-  <el-input-number :value.sync="num1"></el-input-number>
-  <el-input-number :value.sync="num1" size="small"></el-input-number>
+  <el-input-number v-model="num1" size="large"></el-input-number>
+  <el-input-number v-model="num1"></el-input-number>
+  <el-input-number v-model="num1" size="small"></el-input-number>
 </div>
 
 ```html
-<el-input-number :value.sync="num1" size="large"></el-input-number>
-<el-input-number :value.sync="num1"></el-input-number>
-<el-input-number :value.sync="num1" size="small"></el-input-number>
+<el-input-number v-model="num1" size="large"></el-input-number>
+<el-input-number v-model="num1"></el-input-number>
+<el-input-number v-model="num1" size="small"></el-input-number>
 ```
 
 ## API
diff --git a/examples/docs/slider.md b/examples/docs/slider.md
index 57e9ee094..aa2375ffd 100644
--- a/examples/docs/slider.md
+++ b/examples/docs/slider.md
@@ -1,5 +1,16 @@
 <script>
   export default {
+    data() {
+      return {
+        value1: 0,
+        value2: 50,
+        value3: null,
+        value4: null,
+        value5: null,
+        value6: null,
+        value7: null
+      };
+    },
     methods: {
       onChange(value) {
         console.log(value);
@@ -10,55 +21,55 @@
 
 ## 基本用法
 
-<el-slider></el-slider>
+<el-slider v-model="value1"></el-slider>
 
 ```html
-<el-slider></el-slider>
+<el-slider v-model="value1"></el-slider>
 ```
 
 ## 定义初始值
 
-<el-slider :value="50"></el-slider>
+<el-slider v-model="value2"></el-slider>
 
 ```html
-<el-slider :value="50"></el-slider>
+<el-slider v-model="value2"></el-slider>
 ```
 
 ## 定义区间
 
-<el-slider :min="20" :max="80"></el-slider>
+<el-slider :min="20" :max="80" v-model="value3"></el-slider>
 
 ```html
-<el-slider :min="20" :max="80"></el-slider>
+<el-slider :min="20" :max="80" v-model="value3"></el-slider>
 ```
 
 ## 定义步长
 
-<el-slider :step="10"></el-slider>
+<el-slider :step="10" v-model="value4"></el-slider>
 
 ```html
-<el-slider :step="10"></el-slider>
+<el-slider :step="10" v-model="value4"></el-slider>
 ```
 
 ## 显示间断点
 
-<el-slider :step="10" show-stops></el-slider>
+<el-slider :step="10" show-stops v-model="value5"></el-slider>
 
 ```html
-<el-slider :step="10" show-stops></el-slider>
+<el-slider :step="10" show-stops v-model="value5"></el-slider>
 ```
 
 ## 带有输入框
 
-<el-slider show-input></el-slider>
+<el-slider show-input v-model="value6"></el-slider>
 
 ```html
-<el-slider show-input></el-slider>
+<el-slider show-input v-model="value6"></el-slider>
 ```
 
 ## 回调函数
 
-<el-slider @change="onChange"></el-slider>
+<el-slider @change="onChange" v-model="value7"></el-slider>
 
 ```html
 <template>
diff --git a/packages/input-number/src/input-number.vue b/packages/input-number/src/input-number.vue
index e60de7468..bf49cda62 100644
--- a/packages/input-number/src/input-number.vue
+++ b/packages/input-number/src/input-number.vue
@@ -6,8 +6,8 @@
     ]"
   >
     <el-input
-      :value="value"
-      @onchange="handleChnage"
+      v-model="currentValue"
+      @onchange="handleChange"
       :disabled="disabled"
       :size="size"
       :number="true"
@@ -18,17 +18,17 @@
     <span
       class="el-input-number__decrease el-icon-minus"
       :class="{'is-disabled': minDisabled}"
-      v-repeat-click="decrease()"
+      v-repeat-click="decrease"
       @mouseenter="activeInput(minDisabled)"
-      @mouseleave="unactiveInput(minDisabled)"
+      @mouseleave="inactiveInput(minDisabled)"
     >
     </span>
     <span
       class="el-input-number__increase el-icon-plus"
       :class="{'is-disabled': maxDisabled}"
-      v-repeat-click="increase()"
+      v-repeat-click="increase"
       @mouseenter="activeInput(maxDisabled)"
-      @mouseleave="unactiveInput(maxDisabled)"
+      @mouseleave="inactiveInput(maxDisabled)"
     >
     </span>
   </div>
@@ -41,8 +41,7 @@
     name: 'ElInputNumber',
     props: {
       value: {
-        type: Number,
-        required: true
+        type: Number
       },
       step: {
         type: Number,
@@ -61,13 +60,12 @@
     },
     directives: {
       repeatClick: {
-        bind() {
-          const el = this.el;
+        bind(el, binding, vnode) {
           let interval = null;
           let startTime;
 
           const handler = () => {
-            this.vm.$get(this.expression);
+            vnode.context[binding.expression]();
           };
 
           const clear = function() {
@@ -93,9 +91,23 @@
     },
     data() {
       return {
+        currentValue: null,
         inputActive: false
       };
     },
+    watch: {
+      value: {
+        immediate: true,
+        handler(val) {
+          this.currentValue = val;
+        }
+      },
+      currentValue(val) {
+        if (!isNaN(parseInt(val, 10))) {
+          this.$emit('input', parseInt(val, 10));
+        }
+      }
+    },
     computed: {
       minDisabled() {
         return this.value - this.step < this.min;
@@ -107,14 +119,14 @@
     methods: {
       increase() {
         if (this.value + this.step > this.max || this.disabled) return;
-        this.value += this.step;
+        this.currentValue += this.step;
         if (this.maxDisabled) {
           this.inputActive = false;
         }
       },
       decrease() {
         if (this.value - this.step < this.min || this.disabled) return;
-        this.value -= this.step;
+        this.currentValue -= this.step;
         if (this.minDisabled) {
           this.inputActive = false;
         }
@@ -124,12 +136,12 @@
           this.inputActive = true;
         }
       },
-      unactiveInput(disabled) {
+      inactiveInput(disabled) {
         if (!this.disabled && !disabled) {
           this.inputActive = false;
         }
       },
-      handleChnage(value) {
+      handleChange(value) {
         this.$emit('onchange', value);
       }
     }
diff --git a/packages/input/src/input.vue b/packages/input/src/input.vue
index 884423594..a8fc39e85 100644
--- a/packages/input/src/input.vue
+++ b/packages/input/src/input.vue
@@ -106,8 +106,11 @@
     },
 
     watch: {
-      'value'(val) {
-        this.currentValue = val;
+      'value': {
+        immediate: true,
+        handler(val) {
+          this.currentValue = val;
+        }
       },
 
       'currentValue'(val) {
diff --git a/packages/slider/src/main.vue b/packages/slider/src/main.vue
index 2fbc8c556..e96ffcb1e 100644
--- a/packages/slider/src/main.vue
+++ b/packages/slider/src/main.vue
@@ -1,11 +1,11 @@
 <template>
   <div class="el-slider">
     <el-input-number
-      :value.sync="value"
+      v-model="inputValue"
       v-if="showInput"
       class="el-slider__input"
-      @keyup="onInputChange()"
-      v-el:input
+      @keyup.native="onInputChange()"
+      ref="input"
       :step="step"
       :min="min"
       :max="max"
@@ -13,12 +13,14 @@
     </el-input-number>
     <div class="el-slider__runway"
       :class="{ 'show-input': showInput }"
-      @click="onSliderClick($event)" v-el:slider>
+      @click="onSliderClick" ref="slider">
       <div class="el-slider__bar" :style="{ width: currentPosition }"></div>
-      <div class="el-slider__button-wrapper" @mouseenter="hovering = true" @mouseleave="hovering = false" :style="{left: currentPosition}" v-el:button>
+      <div class="el-slider__button-wrapper" @mouseenter="hovering = true" @mouseleave="hovering = false" :style="{left: currentPosition}" ref="button">
         <div class="el-slider__button" :class="{ 'hover': hovering, 'dragging': dragging }"></div>
       </div>
-      <div class="el-slider__pop" v-show="showTip" transition="popper-fade" v-el:pop>{{ value }}</div>
+      <transition name="popper-fade">
+        <div class="el-slider__pop" v-show="showTip" transition="popper-fade" ref="pop">{{ value }}</div>
+      </transition>
       <div class="el-slider__stop" v-for="item in stops" :style="{ 'left': item + '%' }" v-if="showStops"></div>
     </div>
   </div>
@@ -69,6 +71,8 @@
 
     data() {
       return {
+        inputValue: null,
+        timeout: null,
         showTip: false,
         hovering: false,
         dragging: false,
@@ -80,18 +84,22 @@
     },
 
     watch: {
+      inputValue(val) {
+        this.$emit('input', val);
+      },
+
       showTip(val) {
         if (val) {
           this.$nextTick(() => {
             this.updatePopper();
           });
         } else {
-          setTimeout(() => {
+          this.timeout = setTimeout(() => {
             if (this.popper) {
               this.popper.destroy();
               this.popper = null;
             }
-          }, 150);
+          }, 300);
         }
       },
 
@@ -100,30 +108,37 @@
           this.updatePopper();
         });
         if (val < this.min) {
-          this.value = this.min;
+          this.$emit('input', this.min);
           return;
         }
         if (val > this.max) {
-          this.value = this.max;
+          this.$emit('input', this.max);
           return;
         }
+        this.inputValue = val;
         this.setPosition((val - this.min) * 100 / (this.max - this.min));
       }
     },
 
     methods: {
+      handlePopperStyle() {
+        let placementMap = { top: 'bottom', bottom: 'top' };
+        let placement = this.popper._popper.getAttribute('x-placement').split('-')[0];
+        let origin = placementMap[placement];
+        this.popper._popper.classList.add(placement);
+        this.popper._popper.classList.remove(placementMap[placement]);
+        this.popper._popper.style.transformOrigin = `center ${ origin }`;
+      },
+
       updatePopper() {
         if (this.popper) {
+          clearTimeout(this.timeout);
           this.popper.update();
+          this.handlePopperStyle();
         } else {
-          this.popper = new Popper(this.$els.button, this.$els.pop, { gpuAcceleration: false, placement: 'top' });
+          this.popper = new Popper(this.$refs.button, this.$refs.pop, { gpuAcceleration: false, placement: 'top' });
           this.popper.onCreate(() => {
-            let placementMap = { top: 'bottom', bottom: 'top' };
-            let placement = this.popper._popper.getAttribute('x-placement').split('-')[0];
-            let origin = placementMap[placement];
-            this.popper._popper.classList.add(placement);
-            this.popper._popper.classList.remove(placementMap[placement]);
-            this.popper._popper.style.transformOrigin = `center ${ origin }`;
+            this.handlePopperStyle();
           });
           this.updatePopper();
         }
@@ -133,7 +148,7 @@
         if (newPos >= 0 && (newPos <= 100)) {
           var lengthPerStep = 100 / ((this.max - this.min) / this.step);
           var steps = Math.round(newPos / lengthPerStep);
-          this.value = Math.round(steps * lengthPerStep * (this.max - this.min) * 0.01 + this.min);
+          this.$emit('input', Math.round(steps * lengthPerStep * (this.max - this.min) * 0.01 + this.min));
           this.currentPosition = (this.value - this.min) / (this.max - this.min) * 100 + '%';
           if (!this.dragging) {
             if (this.value !== this.oldValue) {
@@ -146,8 +161,7 @@
 
       onSliderClick(event) {
         var currentX = event.clientX;
-        var sliderOffsetLeft;
-        getStyle(this.$el.parentNode, 'position') === 'static' ? sliderOffsetLeft = this.$els.slider.offsetLeft : sliderOffsetLeft = this.$el.parentNode.offsetLeft + this.$els.slider.offsetLeft;
+        var sliderOffsetLeft = getStyle(this.$el.parentNode, 'position') === 'static' ? this.$refs.slider.offsetLeft : this.$el.parentNode.offsetLeft + this.$refs.slider.offsetLeft;
         var newPos = (currentX - sliderOffsetLeft) / this.$sliderWidth * 100;
         this.setPosition(newPos);
       },
@@ -164,7 +178,7 @@
 
     computed: {
       $sliderWidth() {
-        return parseInt(getStyle(this.$els.slider, 'width'), 10);
+        return parseInt(getStyle(this.$refs.slider, 'width'), 10);
       },
 
       showTip() {
@@ -183,7 +197,7 @@
       }
     },
 
-    compiled() {
+    mounted() {
       var startX = 0;
       var currentX = 0;
       var startPos = 0;
@@ -212,7 +226,7 @@
         }
       };
 
-      this.$els.button.addEventListener('mousedown', function(event) {
+      this.$refs.button.addEventListener('mousedown', function(event) {
         onDragStart(event);
         window.addEventListener('mousemove', onDragging);
         window.addEventListener('mouseup', onDragEnd);
@@ -220,9 +234,10 @@
     },
 
     created() {
-      if (this.value < this.min || this.value > this.max) {
-        this.value = this.min;
+      if (typeof this.value !== 'number' || this.value < this.min || this.value > this.max) {
+        this.$emit('input', this.min);
       }
+      this.inputValue = this.inputValue || this.value;
     },
 
     beforeDestroy() {
diff --git a/packages/theme-default/src/slider.css b/packages/theme-default/src/slider.css
index 0e2531f59..b29dee91f 100644
--- a/packages/theme-default/src/slider.css
+++ b/packages/theme-default/src/slider.css
@@ -74,6 +74,8 @@
       color: #fff;
       cursor: default;
       z-index: var(--index-top);
+      transition: transform .3s, opacity .3s;
+      transform-origin: center bottom;
 
       &::before {
         triangle: 9px top #20A0FF;
@@ -106,13 +108,8 @@
       transform: translateX(-50%);
     }
 
-    .popper-fade-transition {
-      transition: transform .3s, opacity .3s;
-      transform-origin: center bottom;
-    }
-
     .popper-fade-enter,
-    .popper-fade-leave {
+    .popper-fade-leave-active {
       transform: scale(0.1);
       opacity: 0;
     }