diff --git a/lib/apis.js b/lib/apis.js
index 79ae1fbecb5749f7d4d1434ea7bf8db5eaaf6a87..d9e6d7188cae1934fc979274d88fe101c9215225 100644
--- a/lib/apis.js
+++ b/lib/apis.js
@@ -240,7 +240,8 @@ const third = [
 
 const ad = [
   'createRewardedVideoAd',
-  'createFullScreenVideoAd'
+  'createFullScreenVideoAd',
+  'createInterstitialAd'
 ]
 
 const apis = [
diff --git a/lib/modules.json b/lib/modules.json
index 333c9e6ffed97c9653b4d006caf0de19dceb9898..dd0c32dfd69472c0f4d767d69f8a42c0777aa519 100644
--- a/lib/modules.json
+++ b/lib/modules.json
@@ -223,6 +223,7 @@
   "title": "广告",
   "apiList": {
     "uni.createRewardedVideoAd": true,
-    "uni.createFullScreenVideoAd": true
+    "uni.createFullScreenVideoAd": true,
+    "uni.'createInterstitialAd'": true
   }
 }]
diff --git a/src/platforms/app-plus/service/api/ad/interstitial-ad.js b/src/platforms/app-plus/service/api/ad/interstitial-ad.js
new file mode 100644
index 0000000000000000000000000000000000000000..27425744935172b5b24764db024135dc183c4a62
--- /dev/null
+++ b/src/platforms/app-plus/service/api/ad/interstitial-ad.js
@@ -0,0 +1,115 @@
+const eventNames = [
+  'load',
+  'close',
+  'error',
+  'adClicked'
+]
+
+class InterstitialAd {
+  constructor (options = {}) {
+    const _callbacks = this._callbacks = {}
+    eventNames.forEach(item => {
+      _callbacks[item] = []
+      const name = item[0].toUpperCase() + item.substr(1)
+      this[`on${name}`] = function (callback) {
+        _callbacks[item].push(callback)
+      }
+    })
+
+    this._isLoad = false
+    this._isLoading = false
+    this._adError = ''
+    this._loadPromiseResolve = null
+    this._loadPromiseReject = null
+
+    const ad = this._ad = plus.ad.createInterstitialAd(options)
+    ad.onLoad((e) => {
+      this._isLoad = true
+      this._isLoading = false
+      this._dispatchEvent('load', {})
+
+      if (this._loadPromiseResolve != null) {
+        this._loadPromiseResolve()
+        this._loadPromiseResolve = null
+      }
+    })
+    ad.onClose((e) => {
+      this._isLoad = false
+      this._isLoading = false
+      this._dispatchEvent('close', {})
+    })
+    ad.onError((e) => {
+      this._isLoading = false
+
+      const { code, message } = e
+      const data = { code: code, errMsg: message }
+      this._adError = message
+
+      this._dispatchEvent('error', data)
+
+      if (this._loadPromiseReject != null) {
+        this._loadPromiseReject(data)
+        this._loadPromiseReject = null
+      }
+    })
+    ad.onAdClicked((e) => {
+      this._dispatchEvent('adClicked', {})
+    })
+  }
+
+  load () {
+    return new Promise((resolve, reject) => {
+      this._loadPromiseResolve = resolve
+      this._loadPromiseReject = reject
+      if (this._isLoading) {
+        return
+      }
+      if (this._isLoad) {
+        resolve()
+        return
+      }
+      this._loadAd()
+    })
+  }
+
+  show () {
+    return new Promise((resolve, reject) => {
+      if (this._isLoading) {
+        return
+      }
+
+      if (this._isLoad) {
+        this._ad.show()
+        resolve()
+      } else {
+        reject(new Error(this._adError))
+      }
+    })
+  }
+
+  getProvider () {
+    return this._ad.getProvider()
+  }
+
+  destroy () {
+    this._ad.destroy()
+  }
+
+  _loadAd () {
+    this._isLoad = false
+    this._isLoading = true
+    this._ad.load()
+  }
+
+  _dispatchEvent (name, data) {
+    this._callbacks[name].forEach(callback => {
+      if (typeof callback === 'function') {
+        callback(data || {})
+      }
+    })
+  }
+}
+
+export function createInterstitialAd (options) {
+  return new InterstitialAd(options)
+}
diff --git a/src/platforms/app-plus/service/api/ad/rewarded-video-ad.js b/src/platforms/app-plus/service/api/ad/rewarded-video-ad.js
index a6a3ea032a26b8b4655f54c9c183ad36777afd92..eb0008c5aaed4a110006256f86983fd6a717769e 100644
--- a/src/platforms/app-plus/service/api/ad/rewarded-video-ad.js
+++ b/src/platforms/app-plus/service/api/ad/rewarded-video-ad.js
@@ -24,6 +24,7 @@ class RewardedVideoAd {
 
     this._preload = options.preload !== undefined ? options.preload : true
     this._isLoad = false
+    this._isLoading = false
     this._adError = ''
     this._loadPromiseResolve = null
     this._loadPromiseReject = null
@@ -32,6 +33,7 @@ class RewardedVideoAd {
     const rewardAd = this._rewardAd = plus.ad.createRewardedVideoAd(options)
     rewardAd.onLoad((e) => {
       this._isLoad = true
+      this._isLoading = false
       this._lastLoadTime = Date.now()
       this._dispatchEvent('load', {})
 
@@ -41,6 +43,8 @@ class RewardedVideoAd {
       }
     })
     rewardAd.onClose((e) => {
+      this._isLoad = false
+      this._isLoading = false
       if (this._preload) {
         this._loadAd()
       }
@@ -50,6 +54,7 @@ class RewardedVideoAd {
       this._dispatchEvent('verify', { isValid: e.isValid })
     })
     rewardAd.onError((e) => {
+      this._isLoading = false
       const { code, message } = e
       const data = { code: code, errMsg: message }
       this._adError = message
@@ -78,18 +83,25 @@ class RewardedVideoAd {
 
   load () {
     return new Promise((resolve, reject) => {
+      this._loadPromiseResolve = resolve
+      this._loadPromiseReject = reject
+      if (this._isLoading) {
+        return
+      }
       if (this._isLoad) {
         resolve()
         return
       }
-      this._loadPromiseResolve = resolve
-      this._loadPromiseReject = reject
       this._loadAd()
     })
   }
 
   show () {
     return new Promise((resolve, reject) => {
+      if (this._isLoading) {
+        return
+      }
+
       const provider = this.getProvider()
       if (provider === ProviderType.CSJ && this.isExpired) {
         this._isLoad = false
@@ -118,6 +130,7 @@ class RewardedVideoAd {
 
   _loadAd () {
     this._isLoad = false
+    this._isLoading = true
     this._rewardAd.load()
   }
 
diff --git a/src/platforms/app-plus/service/api/index.js b/src/platforms/app-plus/service/api/index.js
index 495d35af303bb8aa2aa2683b90b2c497633eb88c..6d650abbe9a456aa1b31d6cff6d74469c9d30ade 100644
--- a/src/platforms/app-plus/service/api/index.js
+++ b/src/platforms/app-plus/service/api/index.js
@@ -81,3 +81,4 @@ export * from './ui/request-component-info'
 export * from './ad/ad'
 export * from './ad/rewarded-video-ad'
 export * from './ad/full-screen-video-ad'
+export * from './ad/interstitial-ad'