fix：课程中心返回接口未调用问题处理

src/pages/course/index.vue

@@ -126,7 +126,8 @@ import {
 	queryCrsInfoByPopularApi,
 	queryCrsInfoByRecmdApi
 } from "@/api/course.js"
-import { onMounted, ref, computed } from 'vue'
+import { onMounted, onActivated, ref, computed } from 'vue'
+import { onShow } from "@dcloudio/uni-app"
 	const customStyle = {
 		backgroundColor: "#ffffff",
 		paddingLeft: "40rpx",
@@ -288,6 +289,9 @@ import { onMounted, ref, computed } from 'vue'
 		})
 		changeTab({name:'全部'})
 	})
+  onActivated(() => {
+		changeTab({name:activeTab.value || '全部'})
+	});
 </script>