diff --git a/manifest.json b/manifest.json
index 86c6e68..dc7e3c5 100644
--- a/manifest.json
+++ b/manifest.json
@@ -57,11 +57,7 @@
             "urlCheck" : false
         },
         "usingComponents" : true,
-        "permission" : {
-            "scope.userFuzzyLocation" : {
-                "desc" : "你的位置信息将用于小程序位置接口的效果展示"
-            }
-        },
+        "permission" : {},
         "requiredPrivateInfos" : [ "chooseLocation" ]
     },
     "mp-alipay" : {
diff --git a/pages_order/mine/promotion.vue b/pages_order/mine/promotion.vue
index f200f6f..9fc60bd 100644
--- a/pages_order/mine/promotion.vue
+++ b/pages_order/mine/promotion.vue
@@ -13,11 +13,18 @@
 		
 		<canvas id="myCanvas" type="2d" canvas-id="firstCanvas1"></canvas>
 		
+		<view class="btn"
+		v-if="imagePath"
+		@click="preservationImg(imagePath)">
+			保存到相册
+		</view>
+		
 	</view>
 </template>
 
 <script>
 	import { mapState } from 'vuex'
+import index from '../../uni_modules/uv-ui-tools'
 	export default {
 		name: 'Promotion',
 		computed: {
@@ -30,6 +37,7 @@
 				baseUrl: 'https://image.hhlm1688.com/',
 				canvas: {},
 				imagePath: '',
+				index : 0,
 			}
 		},
 		onShow() {
@@ -98,6 +106,7 @@
 						const coderImage = canvas.createImage()
 						coderImage.src = this.baseUrl + this.url
 						
+						let size = 0;
 						
 						bgImage.onload = () => {
 							canvas.width = bgImage.width
@@ -105,19 +114,24 @@
 							ctx.drawImage(bgImage,
 							0, 0, bgImage.width, bgImage.height)
 							
-							let size = Math.floor(canvas.width / 3)
-							
-							coderImage.onload = () => {
-								ctx.drawImage(coderImage,
-								canvas.width / 2 - (size / 2), canvas.height * 0.6, size, size)
-								this.canvasToTempFilePath()
-							}
+							size = Math.floor(canvas.width / 3)
+							this.canvasToTempFilePath()
+						}
+						
+						coderImage.onload = () => {
+							ctx.drawImage(coderImage,
+							canvas.width / 2 - (size / 2), canvas.height * 0.6, size, size)
+							this.canvasToTempFilePath()
 						}
 
 					})
 
 			},
 			canvasToTempFilePath(){
+				this.index++
+				if(this.index < 2){
+					return
+				}
 				// 绘制完成后存储路径
 				setTimeout(() => {
 					wx.canvasToTempFilePath({
@@ -179,7 +193,7 @@
 	}
 	.image{
 		width: 100%;
-		height: calc(100vh - 200rpx);
+		height: calc(100vh - 300rpx);
 	}
 
 	#myCanvas {
@@ -194,4 +208,19 @@
 		background-color: rgba(255, 255, 255, 1);
 		text-align: center;
 	}
+	
+	.btn{
+		position: fixed;
+		// top: 58vh;
+		bottom: 0;
+		margin: 0;
+		width: 750rpx;
+		height: 100rpx;
+		padding: 0;
+		display: flex;
+		justify-content: center;
+		align-items: center;
+		background-color: #fff;
+		color: $uni-color;
+	}
 </style>
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