子组件传值问题

src/views/learning/item-list.vue

@@ -64,11 +64,11 @@
               <part-in></part-in>
             </el-tab-pane>
             <el-tab-pane label="人群分析" name="second">
-              <crowd-analysis :formInline="formInline">
+              <crowd-analysis ref="childCrowd" :formInline="formInline" :activeName="activeName">
               </crowd-analysis>
             </el-tab-pane>
             <el-tab-pane label="课程分析" name="third">
-              <course-analysis :formInline="formInline">
+              <course-analysis ref="childCourse" :formInline="formInline" :activeName="activeName">
               </course-analysis>
             </el-tab-pane>
             <el-tab-pane label="考试分析" name="fourth">
@@ -128,7 +128,7 @@ export default {
         pageNo: 1,
         pageSize: 10
       },
-      activeName: "first"
+      activeName: "second"
     };
   },
   computed: {