diff --git a/src/form/checkbox-item.wc b/src/form/checkbox-item.wc
index 463f66c..9e62865 100644
--- a/src/form/checkbox-item.wc
+++ b/src/form/checkbox-item.wc
@@ -253,7 +253,7 @@ export default class Checkbox {
     this._checkGroup()
 
     this._handlClick = $.bind(this, 'click', ev => {
-      ev.preventDefault()
+      ev.stopPropagation()
       this._toggleCheck()
     })
 
diff --git a/src/form/dropdown.wc b/src/form/dropdown.wc
index d0b9fb3..bbd099d 100644
--- a/src/form/dropdown.wc
+++ b/src/form/dropdown.wc
@@ -4,19 +4,11 @@
       <input readonly />
       <wc-icon is="trigon-down"></wc-icon>
     </section>
-    <ul class="options-box"></ul>
-    <slot name="option"></slot>
+    <div class="options-box"><slot /></div>
   </div>
 </template>
 
 <style lang="scss" scoped>
-ul,
-li {
-  list-style: none;
-}
-slot {
-  display: none;
-}
 :host {
   display: inline-flex;
   min-width: 72px;
@@ -74,8 +66,6 @@ slot {
   .options-box {
     overflow: hidden;
     visibility: hidden;
-    display: flex;
-    flex-direction: column;
     position: absolute;
     left: 0;
     top: 36px;
@@ -87,19 +77,6 @@ slot {
     box-shadow: 0 3px 5px rgba(0, 0, 0, 0.15);
     transition: height 0.15s linear;
 
-    li {
-      display: flex;
-      align-items: center;
-      height: 32px;
-      padding: 0 8px;
-      transition: background 0.15s linear;
-
-      &:hover,
-      &.active {
-        background: var(--color-plain-1);
-      }
-    }
-
     &.active {
       visibility: visible;
       height: auto;
@@ -126,6 +103,7 @@ slot {
 
 <script>
 import '../icon/index'
+import './option'
 import $ from '../utils'
 
 export default class Dropdown {
@@ -136,8 +114,7 @@ export default class Dropdown {
   }
 
   state = {
-    optionShow: false,
-    options: []
+    optionShow: false
   }
 
   __init__() {
@@ -146,23 +123,30 @@ export default class Dropdown {
     var outbox = this.root.children[1]
     this.__PREVIEW__ = outbox.children[0]
     this.__OPTIONS__ = outbox.children[1]
-    this.__SLOT__ = outbox.children[2]
     this.__INPUT__ = this.__PREVIEW__.children[0]
     this.__ICO__ = this.__PREVIEW__.children[1]
   }
 
+  _updateChildrenStat() {
+    Array.from(this.children).forEach(it => {
+      if (it.tagName === 'WC-OPTION' && it.root) {
+        if (it.value === this.props.value) {
+          it.setAttribute('active', '')
+          this.__INPUT__.value = it.label || it.textContent
+        } else {
+          it.removeAttribute('active')
+        }
+      }
+    })
+  }
+
   get value() {
     return this.props.value
   }
 
   set value(val) {
     this.props.value = val
-    for (let it of this.state.options) {
-      if (it.opt.value === val) {
-        this.__INPUT__.value = it.label
-        break
-      }
-    }
+    this._updateChildrenStat()
   }
 
   get disabled() {
@@ -187,24 +171,6 @@ export default class Dropdown {
   }
 
   mounted() {
-    let opts = this.__SLOT__.assignedNodes()
-    this.state.options = []
-
-    this.__OPTIONS__.innerHTML = opts
-      .map(it => {
-        let attr = ''
-        let tmp = { label: it.textContent, opt: { ...it.dataset } }
-        for (let k in tmp.opt) {
-          attr += `data-${k}="${tmp.opt[k]}" `
-        }
-        tmp.label = tmp.label || tmp.opt.value
-        tmp.opt.value = tmp.opt.value || tmp.label
-
-        this.state.options.push(tmp)
-        return `<li ${attr}>${tmp.label}</li>`
-      })
-      .join('')
-
     this._activeFn = $.bind(this.__PREVIEW__, 'click', ev => {
       if (this.disabled) {
         return
@@ -214,16 +180,20 @@ export default class Dropdown {
     })
 
     this._pickedFn = $.bind(this.__OPTIONS__, 'click', ev => {
-      if (ev.target === ev.currentTarget) {
+      let elem = ev.target
+
+      if (elem === ev.currentTarget) {
         return
       }
 
-      let detail = { ...ev.target.dataset }
-      this.__INPUT__.value = ev.target.textContent
-      this.props.value = detail.value || ev.target.textContent
+      while (elem.tagName !== 'WC-OPTION') {
+        elem = elem.parentNode
+      }
 
+      this.props.value = elem.value
+
+      this._updateChildrenStat()
       this.dispatchEvent(new CustomEvent('input'))
-      this.dispatchEvent(new CustomEvent('select', { detail }))
 
       this.state.optionShow = false
       this.__OPTIONS__.classList.toggle('active', false)
diff --git a/src/form/option.wc b/src/form/option.wc
new file mode 100644
index 0000000..08bd8ce
--- /dev/null
+++ b/src/form/option.wc
@@ -0,0 +1,118 @@
+<template>
+  <label><slot /></label>
+</template>
+
+<style lang="scss" scoped>
+:host {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  height: 32px;
+  transition: background 0.15s linear;
+  color: var(--color-dark-1);
+  cursor: pointer;
+
+  label {
+    flex: 1;
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    height: 100%;
+    padding: 0 8px;
+    cursor: inherit;
+  }
+}
+
+:host(:hover),
+:host([active]) {
+  label {
+    background: var(--color-plain-1);
+  }
+}
+:host([disabled]) {
+  color: var(--color-grey-1);
+  opacity: 0.6;
+  cursor: not-allowed;
+}
+</style>
+
+<script>
+import $ from '../utils'
+export default class Option {
+  props = {
+    value: '',
+    label: '',
+    disabled: false
+  }
+
+  __init__() {
+    /* render */
+  }
+
+  get value() {
+    return this.props.value
+  }
+
+  set value(val) {
+    if (val === this.props.value) {
+      return
+    }
+    this.props.value = val
+  }
+
+  get label() {
+    return this.props.label
+  }
+
+  set label(val) {
+    if (val === this.props.label) {
+      return
+    }
+    this.props.label = val
+  }
+
+  get disabled() {
+    return this.props.disabled
+  }
+
+  set disabled(val) {
+    var type = typeof val
+
+    if (val === this.props.disabled) {
+      return
+    }
+    if ((type === 'boolean' && val) || type !== 'boolean') {
+      this.props.disabled = true
+      this.setAttribute('disabled', '')
+    } else {
+      this.props.disabled = false
+      this.removeAttribute('disabled')
+    }
+  }
+
+  mounted() {
+    this._clickFn = $.bind(this, 'click', ev => {
+      if (this.disabled) {
+        ev.stopPropagation()
+      }
+    })
+  }
+
+  unmount() {
+    $.unbind(this, 'click', this._clickFn)
+  }
+
+  watch() {
+    switch (name) {
+      case 'value':
+      case 'label':
+        this[name] = val
+        break
+
+      case 'disabled':
+        this.disabled = val !== null
+        break
+    }
+  }
+}
+</script>
diff --git a/src/form/radio-item.wc b/src/form/radio-item.wc
index 21b53c4..1e871a5 100644
--- a/src/form/radio-item.wc
+++ b/src/form/radio-item.wc
@@ -239,7 +239,7 @@ export default class Radio {
     }
 
     this._handleClick = $.catch(this, 'click', ev => {
-      ev.preventDefault()
+      ev.stopPropagation()
       this._toggleCheck()
     })