refactor:placeholder优化

src/modules/college-manage/CollegeInfoPage.jsx

@@ -113,7 +113,6 @@ class CollegeInfoPage extends React.Component {
       <div className="page college-info-page">
         <div className="content-header">学院基本信息</div>
         <div className="box">
-          <div className="college-info-header">学院基本信息</div>
           <div className="college-info-page-form">
            
             <Form ref={this.formRef}>

src/modules/knowledge-base/components/Classification.jsx

@@ -188,7 +188,7 @@ class Classification extends Component {
         <div className='sider-title'>知识分类</div>
         <Search
           className='sider-search'
-          placeholder='搜索名称分类'
+          placeholder='搜索分类名称'
           onSearch={(value) => {
             this.queryCategoryTree(value);
           }}

src/modules/root/Menu.less

@@ -266,12 +266,6 @@
   .shink-footer {
     left: 74px;
   }
-  // &:hover{
-  //   .menu-type-icon{
-  //     display:inline-block;
-  //   }
-  // }
-
 }
 
 .ant-menu:not(.ant-menu-horizontal) .ant-menu-item-selected {

src/modules/teach-tool/components/CourseCategoryManage.jsx

@@ -539,13 +539,13 @@ class CourseCategoryManage extends Component {
     return (
       <div className='page course-category-manage'>
         {['aid', 'knowledge'].includes(getParameterByName('from')) ? (
-          <Breadcrumbs navList='课程分类' goBack={() => window.RCHistory.goBack()} />
+          <Breadcrumbs navList='分类管理' goBack={() => window.RCHistory.goBack()} />
         ) : (
-          <div className='content-header'>课程分类</div>
+          <div className='content-header'>分类管理</div>
         )}
         <div className='box'>
           <div className='search-condition'>
-            <span className='search-label'>搜索名称：</span>
+            <span className='search-label'>搜索分类名称：</span>
             <Search
               placeholder='请输入名称'
               style={{ width: '300px' }}

src/modules/teach-tool/components/CourseCategorySiderTree.jsx

@@ -189,7 +189,7 @@ class CourseCategorySiderTree extends Component {
         )}
         <Search
           className='sider-search'
-          placeholder='搜索名称分类'
+          placeholder='搜索分类名称'
           onSearch={(value) => {
             this.queryCategoryTree('init', value);
           }}