diff --git a/src/core/service/api/context/background-audio.js b/src/core/service/api/context/background-audio.js
index a62e07f946d4463aee602f56021984d0a6fac632..2d1c539abb5a57d74fe3adfa6292b4104ae81e56 100644
--- a/src/core/service/api/context/background-audio.js
+++ b/src/core/service/api/context/background-audio.js
@@ -20,7 +20,7 @@ eventNames.forEach(name => {
   callbacks[name] = []
 })
 
-const props = [
+const props = [
   {
     name: 'duration',
     readonly: true
@@ -70,10 +70,15 @@ const props = [
     name: 'protocol',
     readonly: true,
     default: 'http'
+  },
+  {
+    name: 'playbackRate',
+    default: 1,
+    cache: true,
   }
 ]
-
-const backgroundEvents = ['prev', 'next']
+
+const backgroundEvents = ['prev', 'next']
 
 class BackgroundAudioManager {
   constructor () {
@@ -91,15 +96,15 @@ class BackgroundAudioManager {
           } : {})
         }
       })
-    })
-    backgroundEvents.forEach((name) => {
-      onMethod(`onBackgroundAudio${name[0].toUpperCase() + name.substr(1)}`, () => {
-        callbacks[name].forEach(callback => {
-          if (typeof callback === 'function') {
-            callback({})
-          }
-        })
-      })
+    })
+    backgroundEvents.forEach((name) => {
+      onMethod(`onBackgroundAudio${name[0].toUpperCase() + name.substr(1)}`, () => {
+        callbacks[name].forEach(callback => {
+          if (typeof callback === 'function') {
+            callback({})
+          }
+        })
+      })
     })
     props.forEach(item => {
       const name = item.name
@@ -114,30 +119,30 @@ class BackgroundAudioManager {
           this._options[name] = value
           invokeMethod('setBackgroundAudioState', Object.assign({}, this._options, {
             audioId: this.id
-          }))
+          }), name)
         }
       }
       Object.defineProperty(this, name, data)
     })
-  }
+  }
 
   play () {
     this._operate('play')
-  }
+  }
 
   pause () {
     this._operate('pause')
-  }
+  }
 
   stop () {
     this._operate('stop')
-  }
+  }
 
   seek (position) {
     this._operate('seek', {
       currentTime: position
     })
-  }
+  }
 
   _operate (type, options) {
     invokeMethod('operateBackgroundAudio', Object.assign({}, options, {
@@ -157,4 +162,4 @@ let backgroundAudioManager
 
 export function getBackgroundAudioManager () {
   return backgroundAudioManager || (backgroundAudioManager = new BackgroundAudioManager())
-}
+}
diff --git a/src/core/service/api/context/inner-audio.js b/src/core/service/api/context/inner-audio.js
index f29c7e3d76e255efb4421d63883bf0a9991d3348..0f6502b6d50307422ba4448a3f656cbaf9ff957d 100644
--- a/src/core/service/api/context/inner-audio.js
+++ b/src/core/service/api/context/inner-audio.js
@@ -60,9 +60,13 @@ const props = [
   },
   {
     name: 'volume'
-  },
-  {
-    name: 'sessionCategory'
+  },
+  {
+    name: 'sessionCategory'
+  },
+  {
+    name: 'playbackRate',
+    cache: true,
   }
 ]
 
@@ -95,25 +99,25 @@ class InnerAudioContext {
       }
       Object.defineProperty(this, name, data)
     })
-  }
+  }
 
   play () {
     this._operate('play')
-  }
+  }
 
   pause () {
     this._operate('pause')
-  }
+  }
 
   stop () {
     this._operate('stop')
-  }
+  }
 
   seek (position) {
     this._operate('seek', {
       currentTime: position * 1e3
     })
-  }
+  }
 
   destroy () {
     clearInterval(this.__timing)
@@ -121,7 +125,7 @@ class InnerAudioContext {
       audioId: this.id
     })
     delete innerAudioContexts[this.id]
-  }
+  }
 
   _operate (type, options) {
     invokeMethod('operateAudio', Object.assign({}, options, {
diff --git a/src/platforms/app-plus/service/api/context/background-audio.js b/src/platforms/app-plus/service/api/context/background-audio.js
index 41bd55346004c28feb08673d843bc90505644be1..40f070c5a94696c642c697b665802232763a9b98 100644
--- a/src/platforms/app-plus/service/api/context/background-audio.js
+++ b/src/platforms/app-plus/service/api/context/background-audio.js
@@ -86,9 +86,16 @@ function stopTimeUpdateTimer () {
   }
 }
 
-function setMusicState (args) {
+function setMusicState (args, name) {
   initMusic()
   const props = ['src', 'startTime', 'coverImgUrl', 'webUrl', 'singer', 'epname', 'title']
+  
+  if (name && name === 'playbackRate') {
+    let val = args[name]
+    audio.playbackRate && audio.playbackRate(parseFloat(val))
+    return
+  }
+
   const style = {}
   Object.keys(args).forEach(key => {
     if (props.indexOf(key) >= 0) {
@@ -150,8 +157,8 @@ export function operateMusicPlayer ({
     errMsg: `${api}:ok`
   }
 }
-export function setBackgroundAudioState (args) {
-  setMusicState(args)
+export function setBackgroundAudioState (args, name) {
+  setMusicState(args, name)
   return {
     errMsg: 'setBackgroundAudioState:ok'
   }
diff --git a/src/platforms/app-plus/service/api/context/inner-audio.js b/src/platforms/app-plus/service/api/context/inner-audio.js
index ec0e6bb1228a3ea05f20af478c5ad262b8adf737..cca7bb84980b2b0a61b0b0112e3032e61312a8f2 100644
--- a/src/platforms/app-plus/service/api/context/inner-audio.js
+++ b/src/platforms/app-plus/service/api/context/inner-audio.js
@@ -5,7 +5,7 @@ import {
 import {
   publish
 } from '../../bridge'
-
+
 const AUDIO_DEFAULT_SESSION_CATEGORY = 'playback'
 
 const audios = {}
@@ -14,7 +14,7 @@ const evts = ['play', 'canplay', 'ended', 'stop', 'waiting', 'seeking', 'seeked'
 
 const publishAudioStateChange = (state, res = {}) => publish('onAudioStateChange', Object.assign({
   state
-}, res))
+}, res))
 
 const initStateChage = audioId => {
   const audio = audios[audioId]
@@ -48,12 +48,12 @@ const initStateChage = audioId => {
   }
 }
 
-export function createAudioInstance () {
+export function createAudioInstance() {
   const audioId = `${Date.now()}${Math.random()}`
-  const audio = audios[audioId] = plus.audio.createPlayer('')
+  const audio = audios[audioId] = plus.audio.createPlayer('')
   audio.src = ''
   audio.volume = 1
-  audio.startTime = 0
+  audio.startTime = 0
   audio.setSessionCategory(AUDIO_DEFAULT_SESSION_CATEGORY)
   return {
     errMsg: 'createAudioInstance:ok',
@@ -61,7 +61,7 @@ export function createAudioInstance () {
   }
 }
 
-export function destroyAudioInstance ({
+export function destroyAudioInstance({
   audioId
 }) {
   if (audios[audioId]) {
@@ -74,15 +74,16 @@ export function destroyAudioInstance ({
   }
 }
 
-export function setAudioState ({
+export function setAudioState({
   audioId,
   src,
   startTime,
   autoplay = false,
   loop = false,
   obeyMuteSwitch,
-  volume,
-  sessionCategory = AUDIO_DEFAULT_SESSION_CATEGORY
+  volume,
+  sessionCategory = AUDIO_DEFAULT_SESSION_CATEGORY,
+  playbackRate
 }) {
   const audio = audios[audioId]
   if (audio) {
@@ -91,7 +92,9 @@ export function setAudioState ({
       autoplay
     }
     if (src) {
-      audio.src = style.src = getRealPath(src)
+      // iOS 设置 src 会重新播放
+      const realSrc = getRealPath(src)
+      if (audio.src !== realSrc) audio.src = style.src = realSrc
     }
     if (startTime) {
       audio.startTime = style.startTime = startTime
@@ -99,9 +102,12 @@ export function setAudioState ({
     if (typeof volume === 'number') {
       audio.volume = style.volume = volume
     }
-    audio.setStyles(style)
-    if (sessionCategory) {
-      audio.setSessionCategory(sessionCategory)
+    audio.setStyles(style)
+    if (sessionCategory) {
+      audio.setSessionCategory(sessionCategory)
+    }
+    if (playbackRate && audio.playbackRate) {
+      audio.playbackRate(playbackRate)
     }
     initStateChage(audioId)
   }
@@ -110,7 +116,7 @@ export function setAudioState ({
   }
 }
 
-export function getAudioState ({
+export function getAudioState({
   audioId
 }) {
   const audio = audios[audioId]
@@ -137,7 +143,7 @@ export function getAudioState ({
   }
 }
 
-export function operateAudio ({
+export function operateAudio({
   operationType,
   audioId,
   currentTime