diff --git a/src/views/trials/trials-panel/setting/reading-unit/components/QuestionFormItem.vue b/src/views/trials/trials-panel/setting/reading-unit/components/QuestionFormItem.vue
index 41fe1156..e13dedde 100644
--- a/src/views/trials/trials-panel/setting/reading-unit/components/QuestionFormItem.vue
+++ b/src/views/trials/trials-panel/setting/reading-unit/components/QuestionFormItem.vue
@@ -203,6 +203,7 @@
             <img
               class="el-upload-list__item-thumbnail"
               :src="OSSclientConfig.basePath + file.url"
+              crossOrigin="Anonymous"
               alt=""
             >
             <span class="el-upload-list__item-actions">