更换我的自选页面的返回按钮；

pages/customStockList/customStockList.vue

@@ -7,7 +7,7 @@
 			<view class="navbar-content">
 				<view class="navbar-left">
 					<view class="back-btn" @click="goBack">
-						<text class="back-icon">‹</text>
+						<image class="back-icon" src="https://d31zlh4on95l9h.cloudfront.net/images/e5c501fd23303533622fadce8dedd6a0.png" mode="aspectFit"></image>
 					</view>
 				</view>
 				<view class="navbar-center">
@@ -109,9 +109,8 @@
 }
 
 .back-icon {
-	font-size: 24px;
-	color: #333333;
-	font-weight: bold;
+	width: 24px;
+	height: 24px;
 }
 
 .navbar-center {