update dashboard

src/components/DialogForm/index.vue

@@ -94,6 +94,7 @@
 							class="file"
 							v-for="file in form[col.prop] || []"
 							:file="file"
+							:key="file.fileUrl"
 							@delete="handleDeleteFile(file)" />
 					</div>
 				</el-form-item>