Merge branch 'develop' of http://39.96.27.29/zhengxiuming/shop_mobile_uni into develop

pages/signcontract/signcontract.vue

@@ -30,7 +30,7 @@
 			<text @click="previewContract">《产品分期采购合同》</text>
 		</view> -->
 		<view class="sign_btn_box">
-			<text class="prev_step">上一步</text>
+			<text class="prev_step" @click="goBack">上一步</text>
 			<text class="confirm_pay" @click="handleSubmit">缴纳定金
 				<i class="arrow_icon"></i>
 			</text>
@@ -177,6 +177,10 @@
 			checkAgree(){
 				this.is_agree = !this.is_agree;
 			},
+			// 返回上一页
+			goBack(){
+				this.$backup();
+			},
 			// 获取签署合同提交信息
 			getData(){
 				const length = this.list.length;