修改：获取消息内容优化

src/views/im/index.vue

@@ -1,5 +1,5 @@
 <script lang="ts" setup>
-import { ref, defineAsyncComponent } from 'vue'
+import { shallowRef, defineAsyncComponent, DefineComponent } from 'vue'
 import NavBar from './NavBar/index.vue'
 
 // 定义异步加载的组件
@@ -7,7 +7,7 @@ const ConversationComponent = defineAsyncComponent(
   () => import('@/views/im/Conversation/index.vue')
 )
 
-const currentComponent = ref(ConversationComponent) // 默认加载对话组件
+const currentComponent = shallowRef<DefineComponent | null>(ConversationComponent) // 默认加载对话组件
 
 defineOptions({ name: 'IM' })
 </script>