chore(bbs): bbs内容自动换行

src/modules/bbs/components/DiscussItem.vue

@@ -174,10 +174,12 @@ function handleSubmit() {
 }
 .discuss-item__main {
   min-height: 180px;
+  overflow: hidden;
 }
 .discuss-item__content {
   font-size: 16px;
   color: #666;
+  word-wrap: break-word;
   img {
     max-width: 100%;
   }