修复：在API响应中添加完整邮件正文内容

app/api/email_routes.py

@@ -64,7 +64,7 @@ def get_email(email_id):
             email = db.query(Email).filter_by(id=email_id).first()
             
             if not email:
-                return jsonify({'error': '邮件不存在'}), 404
+                return jsonify({'error': '邮件不存在', 'success': False}), 404
                 
             # 标记为已读
             if mark_as_read and not email.read:
@@ -87,12 +87,12 @@ def get_email(email_id):
                 })
             result['attachments'] = attachments
             
-            return jsonify(result), 200
+            return jsonify({'email': result, 'success': True}), 200
         finally:
             db.close()
     except Exception as e:
         current_app.logger.error(f"获取邮件详情出错: {str(e)}")
-        return jsonify({'error': '获取邮件详情失败', 'details': str(e)}), 500
+        return jsonify({'error': '获取邮件详情失败', 'details': str(e), 'success': False}), 500
 
 # 删除邮件
 @api_bp.route('/emails/<int:email_id>', methods=['DELETE'])