更新

src/views/prepare-lessons/components/lesson-main/train/index.module.less

@@ -29,8 +29,8 @@
     }
 
     .n-button--default-type {
-      background: #E8F4FF;
-      color: #0378EC;
+      background: #E8F4FF !important;
+      color: #0378EC !important;
 
       &:not(.n-button--disabled):hover {
         background: #E8F4FF;