Use watch to change localDescription

src/components/attachment/attachment.js

@@ -132,6 +132,9 @@ const Attachment = {
     ...mapGetters(['mergedConfig'])
   },
   watch: {
+    'attachment.description' (newVal) {
+      this.localDescription = newVal
+    },
     localDescription (newVal) {
       this.onEdit(newVal)
     }

src/components/attachment/attachment.vue

@@ -166,7 +166,7 @@
           :icon="placeholderIconClass"
         />
         <p>
-          {{ edit ? localDescription : attachment.description }}
+          {{ localDescription }}
         </p>
       </a>
 
@@ -244,7 +244,7 @@
       </span>
     </div>
     <div
-      v-if="size !== 'hide' && !hideDescription && (edit || (attachment.description && showDescription))"
+      v-if="size !== 'hide' && !hideDescription && (edit || (localDescription && showDescription))"
       class="description-container"
       :class="{ '-static': !edit }"
     >
@@ -259,7 +259,7 @@
         @input="resize"
       />
       <p v-else>
-        {{ attachment.description }}
+        {{ localDescription }}
       </p>
     </div>
   </div>