Merge branch 'ml' into pre

src/components/ml/pythomDes/InAction/index.scss

@@ -58,7 +58,7 @@
   li:last-child {
     display: flex;
     justify-content: center;
-    margin-top: 38px;
+    //margin-top: 38px;
     margin-bottom: 0;
     button {
       width: 94px;

src/components/mlShare/index.js

@@ -131,7 +131,7 @@ class MLClass extends Component {
     return (
       <>
         <HeaderBar
-          title='ML小课'
+          title='机器学习小课 第一期'
           arrow={true}
           home={true}
         />
@@ -286,7 +286,7 @@ function PythonContent(props) {
 
       {
         entryMode === 1 &&
-        <Link className="python-button python-button__study" to={`/ml?id=${course_id}`}>我也要学ML</Link>
+        <Link className="python-button python-button__study" to={`/ml?id=${course_id}`}>我也要学 机器学习</Link>
       }
     </div>
   );