fix style

front/project/www/components/Tabs/index.less

@@ -4,6 +4,14 @@
   height: 44px;
   line-height: 44px;
   overflow: hidden;
+
+  .tab.active:hover::after {
+    opacity: 1;
+  }
+
+  .tab:hover::after {
+    opacity: 0.5;
+  }
 }
 
 .tabs.small {
@@ -133,13 +141,16 @@
     left: 50%;
   }
 
-  .tab:hover,
+
+  .tab:hover {
+    color: @theme_color;
+  }
+
   .tab.active {
     color: @theme_color;
     background: #fff;
   }
 
-  .tab:hover::after,
   .tab.active::after {
     width: 100%;
   }

front/project/www/routes/exercise/main/page.js

@@ -1037,20 +1037,21 @@ export default class extends Page {
           {sentenceError && <div className="error">{sentenceError}</div>}
         </div>
         <div className="tip">
-          <Link to="/" className="left link">
+          {/* <Link to="/" className="left link">
             什么是CODE？
-          </Link>
+          </Link> */}
           <span>没有 CODE？</span>
-          <a href={sentenceInfo.link} target="_blank" className="link">
-            去获取 >>
+          <a href={sentenceInfo.link} target="_blank" className="theme">
+            去获取 >
           </a>
+          <span> 或 </span>
           <a
             onClick={() => {
               this.trailSentence();
             }}
-            className="right link"
+            className="theme"
           >
-            试用 >>
+            试用 >
           </a>
         </div>
       </Module>