浏览器返回问题

src/views/purchase-rezult.vue

@@ -59,7 +59,7 @@ export default {
     let { projectId, orderId, returnUrl } = this.$route.query;
     this.projectId = projectId || 0;
     this.orderId = orderId || 0;
-    this.returnUrl = returnUrl;
+    this.returnUrl = sessionStorage.getItem('returnUrl') || returnUrl;
     console.log('projectId', '', '', this.projectId, this.orderId, this.returnUrl, decodeURIComponent(this.returnUrl));
     // 直接从商品过来的
     // if(!this.projectId) {
@@ -164,7 +164,7 @@ export default {
       this.$sendBuriedData({
         component_tag: `889#88901`
       });
-      this.returnUrl && location.replace(this.returnUrl);
+      this.returnUrl && location.replace(decodeURIComponent(this.returnUrl));
       // this.returnUrl && (location.href = decodeURIComponent(this.returnUrl));
     },
 

src/views/share-merge-detail.vue

@@ -561,6 +561,7 @@ export default {
             this.projectId
           }&returnUrl=${encodeURIComponent(this.shareUrl)}`
         );
+        sessionStorage.setItem('returnUrl', encodeURIComponent(this.shareUrl));
         window.location.href = jumpUrl;
       });
     },