diff --git a/src/common/components/AnswerToStudent/index.scss b/src/common/components/AnswerToStudent/index.scss
index c22e73c..1f5dd3e 100644
--- a/src/common/components/AnswerToStudent/index.scss
+++ b/src/common/components/AnswerToStudent/index.scss
@@ -3,7 +3,7 @@
   width: 80%;
   justify-content: center;
 }
-.img{
+.img {
   width: 80rpx;
   height: 80rpx;
 }