整体测试及优化，部分细节功能待完善

src/view/course/index.vue

@@ -48,7 +48,8 @@ async function getCourseList() {
 async function getSubject(){ // 获取课程分类
   const res = await api.getSubjectList(subjectParams.value)
   if(res.code === 0) {
-    subjectList.value = custom.getStdSubject(res.data.records)
+    // subjectList.value = custom.getStdSubject(res.data.records)
+    subjectList.value = custom.addTreeFormatSubject(res.data.records,'id')
     // console.log(subjectList.value)
   }
 }
@@ -183,14 +184,15 @@ async function enterVerifyDialog() { // 审核提交
           <el-input v-model="queryParams.name" placeholder="根据课程名称进行查询" />
         </el-form-item>
         <el-form-item label="课程分类">
-          <el-select v-model="queryParams.subject" clearable placeholder="请选择">
-            <el-option
-              v-for="item in subjectList"
-              :key="item.id"
-              :label="item.name"
-              :value="item.id"
-            />
-          </el-select>
+<!--          <el-select v-model="queryParams.subject" clearable placeholder="请选择">-->
+<!--            <el-option-->
+<!--              v-for="item in subjectList"-->
+<!--              :key="item.id"-->
+<!--              :label="item.name"-->
+<!--              :value="item.id"-->
+<!--            />-->
+<!--          </el-select>-->
+          <el-tree-select v-model="queryParams.subject" :data="subjectList" :render-after-expand="false" />
         </el-form-item>
         <el-form-item>
           <el-button size="small" type="primary" icon="search" @click="onSubmit">查询</el-button>
@@ -253,19 +255,13 @@ async function enterVerifyDialog() { // 审核提交
               @click="editCourseFunc(scope.row)"
             >查看</el-button>
             <el-button
+               v-if="scope.row.status === 2"
               icon="check"
               size="small"
               type="primary"
               link
               @click="checkCourseFunc(scope.row)"
             >审核</el-button>
-<!--            <el-button-->
-<!--              icon="delete"-->
-<!--              size="small"-->
-<!--              type="danger"-->
-<!--              link-->
-<!--              @click="deleteCourseFunc(scope.row)"-->
-<!--            >删除</el-button>-->
           </template>
         </el-table-column>
       </el-table>