diff --git a/src/core/service/api/context/audio.js b/src/core/service/api/context/audio.js
index 78aedc7c919cba6aeb4642e9f857a2c248bae882..526dd6b394371b00ec989f7acc1a0c9108a1e0a1 100644
--- a/src/core/service/api/context/audio.js
+++ b/src/core/service/api/context/audio.js
@@ -9,14 +9,14 @@ const eventNames = [
   'pause',
   'stop',
   'ended',
-  'timeupdate',
+  'timeUpdate',
   'error',
   'waiting',
   'seeking',
   'seeked'
 ]
 
-const props = [
+const props = [
   {
     name: 'src',
     cache: true
@@ -69,7 +69,7 @@ class InnerAudioContext {
     this._callbacks = {}
     this._options = {}
     eventNames.forEach(name => {
-      this._callbacks[name] = []
+      this._callbacks[name.toLowerCase()] = []
     })
     props.forEach(item => {
       const name = item.name
@@ -103,11 +103,12 @@ class InnerAudioContext {
     this._operate('stop')
   }
   seek (position) {
-    this._operate('play', {
-      currentTime: position
+    this._operate('seek', {
+      currentTime: position * 1e3
     })
   }
   destroy () {
+    clearInterval(audio.__timing)
     invokeMethod('destroyAudioInstance', {
       audioId: this.id
     })
@@ -123,6 +124,7 @@ class InnerAudioContext {
 
 eventNames.forEach(item => {
   const name = item[0].toUpperCase() + item.substr(1)
+  item = item.toLowerCase()
   InnerAudioContext.prototype[`on${name}`] = function (callback) {
     this._callbacks[item].push(callback)
   }
@@ -135,6 +137,17 @@ eventNames.forEach(item => {
   }
 })
 
+function emit (audio, state, errMsg, errCode) {
+  audio._callbacks[state].forEach(callback => {
+    if (typeof callback === 'function') {
+      callback(state === 'error' ? {
+        errMsg,
+        errCode
+      } : {})
+    }
+  })
+}
+
 onMethod('onAudioStateChange', ({
   state,
   audioId,
@@ -142,14 +155,20 @@ onMethod('onAudioStateChange', ({
   errCode
 }) => {
   const audio = innerAudioContexts[audioId]
-  audio && audio._callbacks[state].forEach(callback => {
-    if (typeof callback === 'function') {
-      callback(state === 'error' ? {
-        errMsg,
-        errCode
-      } : {})
+  if (audio) {
+    emit(audio, state, errMsg, errCode)
+    if (state === 'play') {
+      const oldCurrentTime = audio.currentTime
+      audio.__timing = setInterval(() => {
+        const currentTime = audio.currentTime
+        if (currentTime !== oldCurrentTime) {
+          emit(audio, 'timeupdate')
+        }
+      }, 200)
+    } else if (state === 'pause' || state === 'stop' || state === 'error') {
+      clearInterval(audio.__timing)
     }
-  })
+  }
 })
 
 const innerAudioContexts = Object.create(null)
@@ -161,4 +180,4 @@ export function createInnerAudioContext () {
   const innerAudioContext = new InnerAudioContext(audioId)
   innerAudioContexts[audioId] = innerAudioContext
   return innerAudioContext
-}
+}