diff --git a/src/core/helpers/hidpi.js b/src/core/helpers/hidpi.js
index ca8e0084be33a35f288a6fbe9e748deb583afd32..09fecb39c1c40d1e066e9e1fa5d5eb6eb531a462 100644
--- a/src/core/helpers/hidpi.js
+++ b/src/core/helpers/hidpi.js
@@ -105,6 +105,7 @@ if (pixelRatio !== 1) {
 
       args[1] *= pixelRatio
       args[2] *= pixelRatio
+      args[3] *= pixelRatio
 
       // Safari 重新设置部分属性会导致其他值恢复默认，需获取原始值
       var font = this.__font__ || this.font
@@ -130,6 +131,7 @@ if (pixelRatio !== 1) {
 
       args[1] *= pixelRatio // x
       args[2] *= pixelRatio // y
+      args[3] *= pixelRatio // y
 
       // Safari 重新设置部分属性会导致其他值恢复默认，需获取原始值
       var font = this.__font__ || this.font
@@ -157,11 +159,11 @@ if (pixelRatio !== 1) {
   })(proto.drawImage)
 }
 
-export function wrapper (canvas) {
-  canvas.width = canvas.offsetWidth * pixelRatio
-  canvas.height = canvas.offsetHeight * pixelRatio
-  canvas.__hidpi__ = true
+export function wrapper (canvas, hidpi = true) {
+  canvas.width = canvas.offsetWidth * (hidpi ? pixelRatio : 1)
+  canvas.height = canvas.offsetHeight * (hidpi ? pixelRatio : 1)
+  canvas.__hidpi__ = hidpi
   // 避免低版本安卓上 context 实例被回收
   canvas.__context2d__ = canvas.getContext('2d')
-  canvas.__context2d__.__hidpi__ = true
+  canvas.__context2d__.__hidpi__ = hidpi
 }
diff --git a/src/core/view/components/canvas/index.vue b/src/core/view/components/canvas/index.vue
index 786a83cd969504f2f1b0cb8da5ecf91caba7e4c7..4ca7ae210aecc2a67e5cb87ea60197d22931af3a 100644
--- a/src/core/view/components/canvas/index.vue
+++ b/src/core/view/components/canvas/index.vue
@@ -78,6 +78,10 @@ export default {
     disableScroll: {
       type: [Boolean, String],
       default: false
+    },
+    hidpi: {
+      type: Boolean,
+      default: true
     }
   },
   data () {
@@ -110,6 +114,9 @@ export default {
         $listeners[event] = eventHandler
       })
       return $listeners
+    },
+    pixelRatio () {
+      return this.hidpi ? pixelRatio : 1
     }
   },
   created () {
@@ -135,15 +142,15 @@ export default {
     },
     _resize (size) {
       var canvas = this.$refs.canvas
-      var hasChanged = !size || (canvas.width !== Math.floor(size.width * pixelRatio) || canvas.height !== Math.floor(size.height * pixelRatio))
+      var hasChanged = !size || (canvas.width !== Math.floor(size.width * this.pixelRatio) || canvas.height !== Math.floor(size.height * this.pixelRatio))
       if (!hasChanged) return
       if (canvas.width > 0 && canvas.height > 0) {
         var context = canvas.getContext('2d')
         var imageData = context.getImageData(0, 0, canvas.width, canvas.height)
-        wrapper(canvas)
+        wrapper(canvas, this.hidpi)
         context.putImageData(imageData, 0, 0)
       } else {
-        wrapper(canvas)
+        wrapper(canvas, this.hidpi)
       }
     },
     _touchmove (event) {
@@ -377,8 +384,8 @@ export default {
       height = height ? Math.min(height, maxHeight) : maxHeight
       if (!hidpi) {
         if (!destWidth && !destHeight) {
-          destWidth = Math.round(width * pixelRatio)
-          destHeight = Math.round(height * pixelRatio)
+          destWidth = Math.round(width * this.pixelRatio)
+          destHeight = Math.round(height * this.pixelRatio)
         } else if (!destWidth) {
           destWidth = Math.round(width / height * destHeight)
         } else if (!destHeight) {
diff --git a/src/platforms/app-plus/service/api/device/add-phone-contact.js b/src/platforms/app-plus/service/api/device/add-phone-contact.js
index 0f55b9eed588e5b8bfcc488bb83d071ee9c30105..3c06ef075fd608df72053f1bd5a3bfdea62f5264 100644
--- a/src/platforms/app-plus/service/api/device/add-phone-contact.js
+++ b/src/platforms/app-plus/service/api/device/add-phone-contact.js
@@ -6,7 +6,7 @@ const schema = {
   name: {
     givenName: 'firstName',
     middleName: 'middleName',
-    familyName: 'lastName',
+    familyName: 'lastName'
   },
   nickname: 'nickName',
   photos: {
@@ -84,7 +84,7 @@ const schema = {
 
 const keepFields = ['type', 'preferred']
 
-function buildContact(contact, data, schema) {
+function buildContact (contact, data, schema) {
   let hasValue = 0
   Object.keys(schema).forEach(contactKey => {
     const dataKey = schema[contactKey]
@@ -127,7 +127,7 @@ function buildContact(contact, data, schema) {
   return hasValue
 }
 
-export function addPhoneContact(data, callbackId) {
+export function addPhoneContact (data, callbackId) {
   plus.contacts.getAddressBook(plus.contacts.ADDRESSBOOK_PHONE, (addressbook) => {
     !data.photoFilePath && (data.photoFilePath = '')
     const contact = addressbook.create()