diff --git a/college/__manifest__.py b/college/__manifest__.py
index d5124d2..ef7efdd 100644
--- a/college/__manifest__.py
+++ b/college/__manifest__.py
@@ -64,7 +64,6 @@
             'college/static/src/js/hide_activity_menu.js',
             'college/static/src/js/portal_indicator.js',
             'college/static/src/xml/portal_indicator.xml',
-            'college/static/src/xml/sidenav_tooltip.xml',
         ],
         'web.assets_web_dark': [
             'college/static/src/scss/college_theme_dark.scss',
diff --git a/college/data/about_pages.xml b/college/data/about_pages.xml
index bf9ee19..f0d93f2 100644
--- a/college/data/about_pages.xml
+++ b/college/data/about_pages.xml
@@ -270,6 +270,7 @@
     </div>
   </div>
 
+
   <!-- 主体内容 -->
   <div style="padding:36px 28px;background:#fff;color:#334155;">
     <h2 style="color:#0f172a;font-size:20px;margin:0 0 16px;">关于我们</h2>
diff --git a/college/models/exam.py b/college/models/exam.py
index bab9d2f..6e5c063 100644
--- a/college/models/exam.py
+++ b/college/models/exam.py
@@ -107,11 +107,18 @@ class ExamQuestion(models.Model):
 
     @api.onchange('question_type')
     def _onchange_question_type(self):
-        """切换题型时：判断题给默认正确答案；单选/多选在无选项时补 A/B/C/D。"""
+        """切换题型时：判断题给默认正确答案；单选/多选在无选项时补 A/B/C/D；
+        非选择题清掉默认带出的空选项，否则会被一并提交，触发
+        ExamQuestionOption.content 的 required 校验。"""
         if self.question_type == 'true_false':
             self.correct_answer = 'True'
-        if self.question_type in ('single_choice', 'multiple_choice') and not self.option_ids:
-            self.option_ids = self._default_option_lines()
+        if self.question_type in ('single_choice', 'multiple_choice'):
+            if not self.option_ids:
+                self.option_ids = self._default_option_lines()
+        else:
+            # 切到填空/判断/简答：清掉默认带出的空选项，避免服务端必填校验报错
+            # 用 (5,0,0) 完整写法，(5,) 简写在 Odoo 18 + Py3.13 下会触发访问冲突
+            self.option_ids = [(5, 0, 0)]
 
     @api.depends('correct_answer')
     def _compute_correct_answer_tf(self):
diff --git a/student_organization/models/student_organization.py b/student_organization/models/student_organization.py
index 5e9eccd..7626e55 100644
--- a/student_organization/models/student_organization.py
+++ b/student_organization/models/student_organization.py
@@ -27,7 +27,9 @@ class StudentOrganization(models.Model):
     parent_path = fields.Char(index=True)
 
     # 完整名称（显示层级）
-    full_name = fields.Char(string='完整名称', compute='_compute_full_name', store=True)
+    # recursive=True: full_name 依赖 parent_id.full_name（自引用层级），
+    # 必须声明，否则 Odoo 18 报 UserWarning 且父级改名时子级不会重算
+    full_name = fields.Char(string='完整名称', compute='_compute_full_name', store=True, recursive=True)
 
     # 负责人信息（学院用）
     manager_id = fields.Many2one('res.users', string='负责人')