diff --git a/src/components/userScripts/tus-mission.vue b/src/components/userScripts/tus-mission.vue
index b7a32088..3d0e19c5 100644
--- a/src/components/userScripts/tus-mission.vue
+++ b/src/components/userScripts/tus-mission.vue
@@ -226,7 +226,7 @@ async function tryAuto(skip: boolean = false): Promise<void> {
       }
       viewCnt++;
       if (likeCnt < 5) {
-        const isLike = detailResp.self_operation.upvote_type === 1;
+        const isLike = (detailResp.self_operation?.upvote_type ?? 0) > 0;
         if (isLike) {
           await TGLogger.Script(`[米游币任务]帖子${post.post.post_id}已点赞，跳过`);
           continue;
diff --git a/src/types/BBS/Post.d.ts b/src/types/BBS/Post.d.ts
index 49ac64fd..6d142e0f 100644
--- a/src/types/BBS/Post.d.ts
+++ b/src/types/BBS/Post.d.ts
@@ -1,6 +1,6 @@
 /**
  * 帖子类型定义文件
- * @since Beta v0.8.6
+ * @since Beta v0.9.8
  */
 
 declare namespace TGApp.BBS.Post {
@@ -124,7 +124,7 @@ declare namespace TGApp.BBS.Post {
 
   /**
    * 帖子数据
-   * @since Beta v0.7.2
+   * @since Beta v0.9.8
    */
   type FullData = {
     /** 帖子信息 */
@@ -136,7 +136,7 @@ declare namespace TGApp.BBS.Post {
     /** 发帖人，可能为 null */
     user: User | null;
     /** 当前用户操作 */
-    self_operation: TGApp.BBS.User.SelfOperation;
+    self_operation: TGApp.BBS.User.SelfOperation | null;
     /** 帖子统计，可能为 null */
     stat: Stat | null;
     /** 帮助系统，可能为 null */
diff --git a/src/views/t-post.vue b/src/views/t-post.vue
index 3a0ba85c..0b637d4d 100644
--- a/src/views/t-post.vue
+++ b/src/views/t-post.vue
@@ -245,7 +245,7 @@ onMounted(async () => {
   }
   postData.value = resp;
   console.log(resp);
-  isLike.value = postData.value.self_operation.upvote_type !== 0;
+  isLike.value = (postData.value.self_operation?.upvote_type ?? 0) > 0;
   await showLoading.update("正在渲染数据");
   renderPost.value = await getRenderPost(postData.value);
   await webviewWindow