修改轮播图状态显示问题；课程分类leve字段不准确的bug

src/view/course/courseCategory/index.vue

@@ -41,7 +41,7 @@ onMounted(() => {
 async function getSubjectList() {
   const res = await api.getSubjectList(queryParams.value)
   subjectList.value = res.data.records
-  if(res.code == 0) {
+  if(res.code === 0) {
     subjectList.value = res.data.records
     total.value = res.data.total
     subjectList.value = addTreeFormatSubject(subjectList.value)
@@ -52,7 +52,7 @@ function addTreeFormatSubject(data) {
   data.map( item => {
       item.label = item.name
       item.value = item.id
-      if(item.level == 3) {
+      if(item.level === 3) {
         item.disabled = true
       }
       if(item.children) {
@@ -80,14 +80,12 @@ const handleSelectionChange = (val) => {
   apis.value = val
 }
 function editApiFunc(row) {
-  // console.log(row)
   for(let prop in form.value) {
     if(row[prop]){
       form.value[prop] = row[prop]
     }
   }
   form.value.id = row.id
-  // console.log(form.value)
   // return
   openDialog('edit')
 }
@@ -149,7 +147,7 @@ function findLevel(data,val){
   let l_id = 0
   for(let i =0;i<data.length;i++) {
     if(data[i].id === val) {
-        l_id = data[i].level
+        l_id = parseInt(data[i].level)+1
         break;
     }
     else{
@@ -161,8 +159,6 @@ function findLevel(data,val){
   return l_id
 }
 async function enterDialog() { // 确认创建或修改
-  // console.log(form.value)
-  // console.log(type.value)
   let func_name = ''
   if(type.value === 'add') {
     func_name = 'addSubject'