From da13e5bbd5da2a1ceb838c5a4836a0cabd8bdf69 Mon Sep 17 00:00:00 2001
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 <178428409@qq.com>
Date: Thu, 20 Apr 2023 21:28:29 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8DBug=EF=BC=88=E6=B2=A1?=
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---
 app/templates/userpage_get.html |  4 ++--
 app/user_service.py             | 12 ++++++++----
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/app/templates/userpage_get.html b/app/templates/userpage_get.html
index 8936ff7..6264ef0 100644
--- a/app/templates/userpage_get.html
+++ b/app/templates/userpage_get.html
@@ -44,9 +44,9 @@
 {#        <div class="alert alert-warning" role="alert">Congratulations! {{ message }}</div>#}
 {#    {% endfor %}#}
 
-    <a class="btn btn-success" href="/{{ username }}/reset" role="button"> 下一篇 Next Article </a>
+    <a id="next_btn" class="btn btn-success" href="/{{ username }}/reset" role="button"> 下一篇 Next Article </a>
     {% if session.get('had_read_articles') != None and session.get('had_read_articles')["index"] !=0 %}
-        <a class="btn btn-success" href="/{{ username }}/back" role="button"> 上一篇 Previous Article </a>
+        <a id="pre_btn" class="btn btn-success" href="/{{ username }}/back" role="button"> 上一篇 Previous Article </a>
     {% endif %}
 
     <p><b>阅读文章并回答问题</b></p>
diff --git a/app/user_service.py b/app/user_service.py
index b9f8d26..712fd13 100644
--- a/app/user_service.py
+++ b/app/user_service.py
@@ -45,9 +45,10 @@ def user_back(username):
     :return: 返回页面内容
     '''
     if request.method == 'GET':
-        had_read_articles = session.get("had_read_articles")
-        had_read_articles["index"] -= 1
-        session["had_read_articles"] = had_read_articles
+        if session.get("found_article"):
+            had_read_articles = session.get("had_read_articles")
+            had_read_articles["index"] -= 1
+            session["had_read_articles"] = had_read_articles
         return redirect(url_for('user_bp.userpage', username=username))
 
 
@@ -105,7 +106,6 @@ def userpage(username):
     :return: 返回用户界面
     '''
     # 未登录，跳转到未登录界面
-    print("123123")
     if not session.get('logged_in'):
         return render_template('not_login.html')
 
@@ -137,6 +137,10 @@ def userpage(username):
             words += x[0] + ' '
         had_read_articles, today_article = get_today_article(user_freq_record, session.get('had_read_articles'))
         session['had_read_articles'] = had_read_articles
+        if today_article is None:
+            session["found_article"] = False
+        else:
+            session["found_article"] = True
         # 通过 today_article，加载前端的显示页面
         return render_template('userpage_get.html',
                                username=username,