web: go to post detail page if main page not at first when create post success

web/src/views/Home.vue

@@ -84,6 +84,18 @@ const loadPosts = () => {
 };
 
 const onPostSuccess = (post: Item.PostProps) => {
+    // 如果不在第一页，需要跳转到详情页面
+    if (page.value != 1) {
+        router.push({
+            name: 'post',
+            query: {
+                id: post.id,
+            },
+        });
+        return;
+    }
+    
+    // 如果实在第一页，就地插入新推文到文章列表中
     let items = [];
     let length = list.value.length;
     if (length == pageSize.value) {