修复搜索问题

src/student/music/search/header.tsx

@@ -40,9 +40,15 @@ export default defineComponent({
       if (route.path === '/music-songbook/search') {
         keyword.value = ''
         tagids.value = ''
+        activeTab.value = 'songe'
         // console.log('onBeforeRouteUpdate')
-        selectTagRef.value.resetTags()
+        try {
+          selectTagRef.value?.resetTags?.()
+        } catch (error) {
+          console.log(error)
+        }
       }
+      return true
     })
 
     watch(activeTab, val => {