undefined

5 years ago · 3b88a3b15c
parent fc2c4e9cde
commit 3b88a3b15c
1 changed files with 1 additions and 1 deletions
--- a/public/react/src/modules/courses/exercise/new/SingleDisplay.js
+++ b/public/react/src/modules/courses/exercise/new/SingleDisplay.js
@ -92,7 +92,7 @@ class SingleDisplay extends Component{
            {/* 单选 or 多选 */}
            <div className="options">
                { question_choices.map((item, optionIndex) => {
-                  let prefix = ''
+                  let prefix = undefined
                  if (!isPreviewPage) {
                    prefix = `${tagArray[optionIndex]}.`
                  }