diff --git a/app/__init__.py b/app/__init__.py
index 56140b2..251ed1d 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -3,6 +3,7 @@ from flask_sqlalchemy import SQLAlchemy
 from flask_migrate import Migrate
 from flask_login import LoginManager
 from flask_session import Session
+from flask_wtf.csrf import CSRFProtect
 from config import config
 from flask_bootstrap import Bootstrap
 
@@ -11,6 +12,7 @@ db = SQLAlchemy()
 migrate = Migrate()
 login_manager = LoginManager()
 sess = Session()
+csrf = CSRFProtect()
 bootstrap = Bootstrap()
 # login_manager 的基本配置
 login_manager.login_view = 'auth.login' # 后面我们会创建一个叫 'auth' 的蓝图
@@ -31,11 +33,13 @@ def create_app(config_name='default'):
     migrate.init_app(app, db)
     login_manager.init_app(app)
     sess.init_app(app)
+    csrf.init_app(app)
     bootstrap.init_app(app)
 
     # 注册自定义过滤器
-    from .filters import translate_status
+    from .filters import translate_status, translate_reason
     app.jinja_env.filters['translate_status'] = translate_status
+    app.jinja_env.filters['translate_reason'] = translate_reason
 
     # 3. 注册蓝图 (Blueprint)
     # 后面我们会在这里添加蓝图
diff --git a/app/filters.py b/app/filters.py
index 97188ad..5662940 100644
--- a/app/filters.py
+++ b/app/filters.py
@@ -22,6 +22,26 @@ STATUS_TRANSLATIONS = {
     'expired': '已过期'
 }
 
+REASON_TRANSLATIONS = {
+    'cheating': '作弊 (刷上传/下载)',
+    'trading': '账号交易/共享',
+    'spam': '发布垃圾/违禁信息',
+    'abusive': '辱骂/人身攻击',
+    'low_ratio': '分享率过低',
+    'hit_and_run': 'H&R (下载不做种)',
+    'fake_seeding': '假做种',
+    'multiple_accounts': '多账号/小号',
+    'account_sharing': '账号共享',
+    'reselling': '倒卖邀请',
+    'harassment': '骚扰他人',
+    'scamming': '诈骗行为',
+    'other': '其他 (请在描述中详述)'
+}
+
 def translate_status(status):
     """将英文状态翻译为中文"""
     return STATUS_TRANSLATIONS.get(status, status)
+
+def translate_reason(reason):
+    """将英文违规原因翻译为中文"""
+    return REASON_TRANSLATIONS.get(reason, reason)
diff --git a/app/forms.py b/app/forms.py
index 663c3de..05e8135 100644
--- a/app/forms.py
+++ b/app/forms.py
@@ -3,6 +3,7 @@ from wtforms import StringField, SubmitField, PasswordField, BooleanField, TextA
 from wtforms.validators import DataRequired, Length, Email, EqualTo, ValidationError, Optional, URL
 from .models import User
 from wtforms_sqlalchemy.fields import QuerySelectField
+from .filters import REASON_TRANSLATIONS
 
 def get_active_partner_sites():
     return PartnerSite.query.filter_by(is_active=True).order_by(PartnerSite.name)
@@ -56,14 +57,7 @@ class ReportForm(FlaskForm):
     )
     reason_category = SelectField(
         '举报原因分类',
-        choices=[
-            ('cheating', '作弊 (刷上传/下载)'),
-            ('trading', '账号交易/共享'),
-            ('spam', '发布垃圾/违禁信息'),
-            ('abusive', '辱骂/人身攻击'),
-            ('radio', '分享率过低'),
-            ('other', '其他 (请在描述中详述)')
-        ],
+        choices=[(k, v) for k, v in REASON_TRANSLATIONS.items()],
         validators=[DataRequired()]
     )
     description = TextAreaField(
diff --git a/app/templates/admin/report_detail.html b/app/templates/admin/report_detail.html
index 3598f9f..bf35437 100644
--- a/app/templates/admin/report_detail.html
+++ b/app/templates/admin/report_detail.html
@@ -13,7 +13,7 @@
                     <li class="list-group-item"><strong>被举报邮箱:</strong> {{ report.reported_email }}</li>
                     <li class="list-group-item"><strong>被举报用户名:</strong> {{ report.reported_username or 'N/A' }}</li>
                     <li class="list-group-item"><strong>所属站点:</strong> {{ report.reported_pt_site }}</li>
-                    <li class="list-group-item"><strong>举报理由:</strong> {{ report.reason_category }}</li>
+                    <li class="list-group-item"><strong>举报理由:</strong> {{ report.reason_category | translate_reason }}</li>
                     <li class="list-group-item"><strong>举报人:</strong> {{ report.reporter.username }}</li>
                     <li class="list-group-item"><strong>状态:</strong> <strong class="text-capitalize">{{ report.status | translate_status }}</strong></li>
                     <li class="list-group-item"><strong>详细描述:</strong><br><span style="white-space: pre-wrap;">{{ report.description }}</span></li>
diff --git a/app/templates/index.html b/app/templates/index.html
index 377ed88..1a3260c 100644
--- a/app/templates/index.html
+++ b/app/templates/index.html
@@ -46,7 +46,7 @@
                         <ul class="list-group list-group-flush">
                             <li class="list-group-item"><strong>违规站点:</strong> {{ search_result.pt_site }}</li>
                             {% if search_result.report %}
-                            <li class="list-group-item"><strong>违规原因:</strong> {{ search_result.report.reason_category }}</li>
+                            <li class="list-group-item"><strong>违规原因:</strong> {{ search_result.report.reason_category | translate_reason }}</li>
                             {% endif %}
                             <li class="list-group-item"><strong>记录时间:</strong> {{ search_result.created_at.strftime('%Y-%m-%d') }}</li>
                         </ul>
diff --git a/config.py b/config.py
index 7ec693d..1055566 100644
--- a/config.py
+++ b/config.py
@@ -10,7 +10,11 @@ class Config:
     """基础配置类"""
     SECRET_KEY = os.environ.get('SECRET_KEY') or 'a-hard-to-guess-string'
     SQLALCHEMY_TRACK_MODIFICATIONS = False
-    
+
+    # CSRF 配置
+    WTF_CSRF_ENABLED = True
+    WTF_CSRF_TIME_LIMIT = None
+
     # Session 配置
     SESSION_TYPE = 'redis'
     SESSION_PERMANENT = False