diff --git a/src/components/Course/courseForm.vue b/src/components/Course/courseForm.vue
index db5538e9..2449f350 100644
--- a/src/components/Course/courseForm.vue
+++ b/src/components/Course/courseForm.vue
@@ -97,6 +97,7 @@
                 filterable
                 remote
                 value-key="teacherId"
+                ref="elSelect"
                 reserve-keyword
                 placeholder="请输入授课教师姓名"
                 @change="changeTeachers"
@@ -240,6 +241,7 @@
                     filterable
                     remote
                     value-key="teacherId"
+                    ref="elSelect"
                     reserve-keyword
                     placeholder="请输入授课教师姓名"
                     @change="changeTeachers"
@@ -799,8 +801,8 @@ export default {
     },
     changeTeachers(t) {
       //用于监听教师列表的选择变化
-      //console.log(t);
       this.requireSaveCourse = true;
+      this.$refs.elSelect.query = '';
     },
     formartTeacher() {},
     addNewSection() {
diff --git a/src/views/study/PortalIndex.vue b/src/views/study/PortalIndex.vue
index d9cc12b0..7acfb03f 100644
--- a/src/views/study/PortalIndex.vue
+++ b/src/views/study/PortalIndex.vue
@@ -313,7 +313,8 @@ export default {
       isAppendTime:false,//是否追加学习时长
       appentId:'',//当前追加的学习时长的id
       appentInterval:30000,//追加学习时间的间隔 30秒加一次
-      handleTimeout:null
+      handleTimeout:null,
+      completed:[],
     };
   },
   mounted() {
@@ -325,6 +326,7 @@ export default {
     ...mapGetters(['userInfo']),
     catalogTree() {
       let treeList = [];
+      this.completed = [];
       let $this = this;
       $this.sectionList.forEach(sec => {
         let treeNode = { section: sec, children: [] };
@@ -338,6 +340,9 @@ export default {
                 finishCount++;
               }
             }
+            if(c.status == 9) {
+              $this.completed.push(c.id);
+            }
             treeNode.children.push(c);
           }
         });
@@ -799,9 +804,14 @@ export default {
           }else{
             let pre=this.catalogTree[index].children[i-1];
             if(pre.status!=9){
+               this.$message.warning('请按顺序学习！');
+                return;
+            } else {
+              if(this.completed.indexOf(pre.id) > 0) {
                 this.$message.warning('请按顺序学习！');
                 return;
-              }
+               } 
+            }
           }
         }
       }