diff --git a/src/form/input.wc b/src/form/input.wc
index 7dbd57f..8d5ca9c 100644
--- a/src/form/input.wc
+++ b/src/form/input.wc
@@ -420,6 +420,8 @@ export default class Input {
       }
     })
 
+    this._handleWheel = ebind(this.__INPUT__, 'wheel')
+
     // 非textarea, 可做输入建议功能
     if (type === 'text') {
       // 输入状态事件
@@ -472,6 +474,7 @@ export default class Input {
   }
 
   unmount() {
+    unbind(this.__INPUT__, 'wheel', this._handleWheel)
     unbind(this.__INPUT__, 'keydown', this._handleSubmit)
     unbind(this.__INPUT__, 'input', this._handleChange)
     unbind(this, 'click', this._bubbleFn)
diff --git a/src/form/select.wc b/src/form/select.wc
index 0b34ea9..8fe31d5 100644
--- a/src/form/select.wc
+++ b/src/form/select.wc
@@ -314,6 +314,7 @@ export default class Select {
     this.props.ITEMS = Array.from(elem.children).filter(it => {
       return it.tagName === 'DD' && !it.hasAttribute('disabled')
     })
+    this.value = this.props.value
   }
 
   // 移动光标选择下拉选项
diff --git a/src/picker/date.wc b/src/picker/date.wc
index b699b91..256ec15 100644
--- a/src/picker/date.wc
+++ b/src/picker/date.wc
@@ -202,6 +202,10 @@
     border: 1px solid nth($co, 1);
     border-radius: 4px;
   }
+
+  &.show {
+    display: block;
+  }
 }
 
 :host(:focus-within) {
@@ -490,20 +494,20 @@ export default class DatePicker {
     this._renderCalendar()
 
     this._activeFn = bind(this.__INPUT__, 'click', ev => {
-      if (this.props.disabled || this.props.readonly || this.props.active) {
+      if (this.props.disabled || this.props.readonly) {
         return
       }
-      this.props.active = true
+      this.props.active = !this.props.active
 
       let { x, y } = this.getBoundingClientRect()
 
-      this.__CALENDAR__.style.cssText = `display:block;left:${x}px;top:${y +
-        50}px`
+      this.__CALENDAR__.style.cssText = `left:${x}px;top:${y + 50}px`
+      this.__CALENDAR__.classList.toggle('show')
     })
 
     this._bubbleFn = ebind(this, 'click')
     this._inactiveFn = bind(document, 'click', ev => {
-      this.__CALENDAR__.style.cssText = ''
+      this.__CALENDAR__.classList.toggle('show', false)
       this.props.active = false
     })