fix share

@@ -93,10 +93,21 @@ export default {
             this.title = `@${first.authorName} 在有货逛上发了一篇笔记，快点开看看！`;
 
             if (!this.$yoho.isApp) {
+              let shareImage = '';
+              let shareIntro = '';
+
+              get(first, 'blockList', []).forEach(block => {
+                if (block.templateKey === 'image') {
+                  !shareImage && (shareImage = (block.contentData || '').split('?')[0]);
+                } else if (block.templateKey === 'text') {
+                  !shareIntro && (shareIntro = block.contentData);
+                }
+              });
+
               Share.setShareInfo({
                 title: this.title,
-                imgUrl: first.shareImage,
-                desc: first.intro
+                imgUrl: shareImage,
+                desc: shareIntro
               });
             }
           }

@@ -82,7 +82,7 @@ export default {
       this.$yoho.share({
         title: this.data.topicName,
         imgUrl: this.data.topicImageUrl,
-        link: `${location.origin}/grass/topic/share/${this.data.topicId}/${this.data.topicName}`,
+        link: `${location.origin}/grass/topic/share/${this.data.topicId}`,
         desc: '我在有货的社区发现一个热门话题。' + this.data.topicDesc,
         hideType: ['7', '8', '9']
       });

@@ -31,6 +31,14 @@ export default [{
     keepAlive: true
   }
 }, {
+  path: '/topic/share/:topicId',
+  alias: '/topic/share/:topicId',
+  name: 'topic.share',
+  component: () => import(/* webpackChunkName: "article" */ './topic'),
+  meta: {
+    keepAlive: true
+  }
+}, {
   path: '/topic/:topicId/:topicName',
   alias: '/topic/:topicId/:topicName',
   name: 'topic',
@@ -40,14 +48,6 @@ export default [{
     statusBarColor: 'white'
   }
 }, {
-  path: '/topic/share/:topicId/:topicName',
-  alias: '/topic/share/:topicId/:topicName',
-  name: 'topic.share',
-  component: () => import(/* webpackChunkName: "article" */ './topic'),
-  meta: {
-    keepAlive: true
-  }
-}, {
   path: '/article/:articleId/comment',
   alias: '/article/:articleId/comment',
   name: 'article.comment',

@@ -113,9 +113,10 @@ function init(qs) {
 export default {
   init,
   setShareInfo(data) {
-    Object.assign(shareData, data);
-
-    shareData.link = shareData.link || location.href;
+    shareData.title = data.title;
+    shareData.desc = data.desc || '逛';
+    shareData.link = data.link || location.href;
+    shareData.imgUrl = data.imgUrl || shareData.imgUrl;
 
     if (window.wx) {
       setWxShareData();