diff --git a/build.dev.js b/build.dev.js
index 45ad9db..9211c73 100644
--- a/build.dev.js
+++ b/build.dev.js
@@ -96,7 +96,7 @@ function mkWCFile({ style, html, js }) {
       `
     )
     .replace('mounted()', 'connectedCallback()')
-    .replace('unmount()', 'disconnectedCallback()')
+    .replace('unmounted()', 'disconnectedCallback()')
     .replace(
       'watch() {',
       'attributeChangedCallback(name, old, val) {\nif (old === val) {return}'
diff --git a/build.prod.js b/build.prod.js
index 5baab49..220860c 100644
--- a/build.prod.js
+++ b/build.prod.js
@@ -111,7 +111,7 @@ function mkWCFile({ style, html, js }) {
       `
     )
     .replace('mounted()', 'connectedCallback()')
-    .replace('unmount()', 'disconnectedCallback()')
+    .replace('unmounted()', 'disconnectedCallback()')
     .replace(
       'watch() {',
       'attributeChangedCallback(name, old, val) {\nif (old === val) {return}'
diff --git a/src/color/index.wc b/src/color/index.wc
index 9fa4231..510784e 100644
--- a/src/color/index.wc
+++ b/src/color/index.wc
@@ -521,7 +521,7 @@ export default class Color {
     })
   }
 
-  unmount() {
+  unmounted() {
     $.unbind(this.__SCENE__, 'mousedown', this.handleDown)
     $.unbind(document, 'mousedown', this.handleUp)
     $.unbind(this.__HUE__, 'input', this.handleInput1)
diff --git a/src/form/button.wc b/src/form/button.wc
index 15be3a1..6467e96 100644
--- a/src/form/button.wc
+++ b/src/form/button.wc
@@ -356,7 +356,7 @@ export default class Button {
     })
   }
 
-  unmount() {
+  unmounted() {
     $.unbind(this.__BTN__, 'click', this._handleClick)
   }
 
diff --git a/src/form/checkbox-item.wc b/src/form/checkbox-item.wc
index 8ea670e..f69e5bb 100644
--- a/src/form/checkbox-item.wc
+++ b/src/form/checkbox-item.wc
@@ -265,7 +265,7 @@ export default class Checkbox {
     })
   }
 
-  unmount() {
+  unmounted() {
     $.unbind(this, 'click', this._handlClick)
     $.unbind(this, 'keydown', this._handlKeydown)
   }
diff --git a/src/form/checkbox.wc b/src/form/checkbox.wc
index 4bd82d3..1fd1f7c 100644
--- a/src/form/checkbox.wc
+++ b/src/form/checkbox.wc
@@ -119,7 +119,7 @@ export default class CheckboxGroup {
     })
   }
 
-  unmount() {
+  unmounted() {
     $.unbind(this, 'child-picked', this._pickedFn)
     this.__observer.disconnect()
   }
diff --git a/src/form/dropdown.wc b/src/form/dropdown.wc
index c185c13..0764ad6 100644
--- a/src/form/dropdown.wc
+++ b/src/form/dropdown.wc
@@ -243,7 +243,7 @@ export default class Dropdown {
     })
   }
 
-  unmount() {
+  unmounted() {
     this.state.options = []
     $.unbind(this.__PREVIEW__, 'click', this._activeFn)
     $.unbind(this.__OPTIONS__, 'click', this._pickedFn)
diff --git a/src/form/input.wc b/src/form/input.wc
index 8db13a8..b6091fd 100644
--- a/src/form/input.wc
+++ b/src/form/input.wc
@@ -583,7 +583,7 @@ export default class Input {
     })
   }
 
-  unmount() {
+  unmounted() {
     $.unbind(this.__INPUT__, 'keydown', this._handleSubmit)
     $.unbind(this.__INPUT__, 'input', this._handleChange)
     $.unbind(this.__INPUT__, 'click', this._parseSuggestion)
diff --git a/src/form/link.wc b/src/form/link.wc
index b8e0b5e..ca329e3 100644
--- a/src/form/link.wc
+++ b/src/form/link.wc
@@ -251,7 +251,7 @@ export default class Link {
     })
   }
 
-  unmount() {
+  unmounted() {
     $.unbind(this.__LINK__, 'click', this._handleClick)
   }
 
diff --git a/src/form/number.wc b/src/form/number.wc
index fda9d78..5506c61 100644
--- a/src/form/number.wc
+++ b/src/form/number.wc
@@ -385,7 +385,7 @@ export default class Number {
     })
   }
 
-  unmount() {
+  unmounted() {
     $.unbind(this.__INPUT__, 'keydown', this._handleSubmit)
     $.unbind(this.__OUTER__, 'click', this._handleAction)
   }
diff --git a/src/form/option.wc b/src/form/option.wc
index 7928741..1c767ec 100644
--- a/src/form/option.wc
+++ b/src/form/option.wc
@@ -111,7 +111,7 @@ export default class Option {
     })
   }
 
-  unmount() {
+  unmounted() {
     $.unbind(this, 'click', this._clickFn)
   }
 
diff --git a/src/form/passwd.wc b/src/form/passwd.wc
index 0d7bd78..ee15fab 100644
--- a/src/form/passwd.wc
+++ b/src/form/passwd.wc
@@ -412,7 +412,7 @@ export default class Passwd {
     })
   }
 
-  unmount() {
+  unmounted() {
     $.unbind(this.__INPUT__, 'keydown', this._handleSubmit)
     $.unbind(this.__EYE__, 'click', this._eyeFn)
   }
diff --git a/src/form/radio-item.wc b/src/form/radio-item.wc
index 0f20494..aca1139 100644
--- a/src/form/radio-item.wc
+++ b/src/form/radio-item.wc
@@ -251,7 +251,7 @@ export default class Radio {
     })
   }
 
-  unmount() {
+  unmounted() {
     $.unbind(this, 'click', this._handleClick)
     $.unbind(this, 'keydown', this._handlKeydown)
   }
diff --git a/src/form/radio.wc b/src/form/radio.wc
index 8515be1..fd15939 100644
--- a/src/form/radio.wc
+++ b/src/form/radio.wc
@@ -108,7 +108,7 @@ export default class RadioGroup {
     })
   }
 
-  unmount() {
+  unmounted() {
     $.unbind(this, 'child-picked', this._pickedFn)
     this.__observer.disconnect()
   }
diff --git a/src/form/select.wc b/src/form/select.wc
index bafec4a..e98e427 100644
--- a/src/form/select.wc
+++ b/src/form/select.wc
@@ -499,7 +499,7 @@ export default class Select {
     }
   }
 
-  unmount() {
+  unmounted() {
     $.unbind(this.__INPUT__, 'keydown', this._handleKeydown)
     $.unbind(this.__INPUT__, 'click', this._activeFn)
     $.unbind(this.__OPTG__, 'click', this._handleSelect)
diff --git a/src/form/switch.wc b/src/form/switch.wc
index dc5e9ac..1e51a8c 100644
--- a/src/form/switch.wc
+++ b/src/form/switch.wc
@@ -181,7 +181,7 @@ export default class Switch {
     })
   }
 
-  unmount() {
+  unmounted() {
     $.unbind(this, 'click', this._handleClick)
   }
 
diff --git a/src/form/textarea.wc b/src/form/textarea.wc
index 6889b8e..5b769f7 100644
--- a/src/form/textarea.wc
+++ b/src/form/textarea.wc
@@ -247,7 +247,7 @@ export default class Textarea {
     })
   }
 
-  unmount() {
+  unmounted() {
     $.unbind(this.__INPUT__, 'keydown', this._handleSubmit)
     $.unbind(this.__INPUT__, 'input,change', this._statFn)
   }
diff --git a/src/layer/index.wc b/src/layer/index.wc
index 99f76d4..febc102 100644
--- a/src/layer/index.wc
+++ b/src/layer/index.wc
@@ -586,7 +586,7 @@ export default class Layer {
     }
   }
 
-  unmount() {
+  unmounted() {
     $.clearOutside(this._handlMask)
     $.unbind(this.__TITLE__, 'click', this._handleClose)
     $.unbind(this.__CTRL__, 'click', this._handleBtnClick)
diff --git a/src/markd/index.wc b/src/markd/index.wc
index d2f39de..a00e0eb 100644
--- a/src/markd/index.wc
+++ b/src/markd/index.wc
@@ -237,7 +237,7 @@ export default class Markd {
     })
   }
 
-  unmount() {
+  unmounted() {
     $.unbind(this.__BOX__, 'click', this._headClickFn)
     this.__observer.disconnect()
     this.clear()
diff --git a/src/meditor/index.wc b/src/meditor/index.wc
index 3ab1ccd..eecad33 100644
--- a/src/meditor/index.wc
+++ b/src/meditor/index.wc
@@ -1005,7 +1005,7 @@ export default class Meditor {
     })
   }
 
-  unmount() {
+  unmounted() {
     $.unbind(this.__EDITOR__, 'input', this._inputFn)
     $.unbind(this.__EDITOR__, 'keydown', this._keydownFn)
     $.unbind(this.__EDITOR__, 'paste', this._pasteFn)
diff --git a/src/neditor/index.wc b/src/neditor/index.wc
index 8097601..ae4b1c4 100644
--- a/src/neditor/index.wc
+++ b/src/neditor/index.wc
@@ -602,7 +602,7 @@ export default class Neditor {
     })
   }
 
-  unmount() {
+  unmounted() {
     $.unbind(this.__TOOLBAR__, 'click', this.__toolFn)
     $.unbind(this.__FONT__, 'click', this.__fontFn)
     $.unbind(this.__COLOR__, 'click', this.__colorFn)
diff --git a/src/picker/date.wc b/src/picker/date.wc
index 6bb1f13..adc36a5 100644
--- a/src/picker/date.wc
+++ b/src/picker/date.wc
@@ -628,7 +628,7 @@ export default class DatePicker {
     })
   }
 
-  unmount() {
+  unmounted() {
     $.unbind(this.__INPUT__, 'click', this._activeFn)
     $.unbind(this.__DAYS__, 'click', this._pickFn)
     $.unbind(this.__CTRL__, 'click', this._ctrlFn)
diff --git a/src/scroll/index.wc b/src/scroll/index.wc
index a5e4b1e..c6d57ce 100644
--- a/src/scroll/index.wc
+++ b/src/scroll/index.wc
@@ -125,14 +125,14 @@
 
 <script>
 import $ from '../utils'
-// 是否火狐浏览器
-const IS_FF = !!window.sidebar
+
+const AXIS_LIST = ['x', 'y', 'xy']
 
 /*  */
 export default class Scroll {
   props = {
     axis: 'xy', // 滚动方向, 默认x轴和y轴都可以滚动
-    delay: 1000, // 节流延迟
+    delay: 1000, // 节流防抖延迟
     distance: 1 // 触发距离阀值, 单位像素
   }
 
@@ -391,9 +391,11 @@ export default class Scroll {
       subtree: true,
       attributeFilter: ['style']
     })
+
+    this._initFn(new Event('mounted'))
   }
 
-  unmount() {
+  unmounted() {
     this.__observer.disconnect()
 
     $.unbind(this.__X__, 'mousedown', this._xBarFn)
@@ -405,7 +407,15 @@ export default class Scroll {
   watch() {
     switch (name) {
       case 'axis':
-        this.props.axis = val || 'xy'
+        if (val) {
+          if (AXIS_LIST.includes(val)) {
+            this.props.axis = val
+          } else {
+            this.removeAttribute(name)
+          }
+        } else {
+          this.props.axis = 'xy'
+        }
         break
 
       case 'delay':
diff --git a/src/slider/index.wc b/src/slider/index.wc
index f82421f..6c98cf5 100644
--- a/src/slider/index.wc
+++ b/src/slider/index.wc
@@ -226,7 +226,7 @@ export default class Slider {
     })
   }
 
-  unmount() {
+  unmounted() {
     $.bind(this.__RANGE__, 'input', this._inputFn)
     delete this._inputFn
   }