feat: enhance user management and system optimization

New Features:
- Add bulk ban and email notification in user management
- Add CSV export for batch coupon generation
- Optimize subscription description template

Bug Fixes:
- Fix knowledge base pagination issue
- Fix permission group filtering in node management
- Fix unauthorized order placement for free subscription periods

app/Http/Controllers/V2/Admin/UserController.php

@@ -15,6 +15,7 @@ use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Http\Request;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Log;
 
 class UserController extends Controller
 {
@@ -243,7 +244,7 @@ class UserController extends Controller
         try {
             $user->update($params);
         } catch (\Exception $e) {
-            \Log::error($e);
+            Log::error($e);
             return $this->fail([500, '保存失败']);
         }
         return $this->success(true);
@@ -251,8 +252,9 @@ class UserController extends Controller
 
     public function dumpCSV(Request $request)
     {
+        ini_set('memory_limit', -1);
         $userModel = User::orderBy('id', 'asc');
-        $this->filter($request, $userModel);
+        $this->applyFiltersAndSorts($request, $userModel);
         $res = $userModel->get();
         $plan = Plan::get();
         for ($i = 0; $i < count($res); $i++) {
@@ -341,7 +343,7 @@ class UserController extends Controller
             DB::commit();
         } catch (\Exception $e) {
             DB::rollBack();
-            \Log::error($e);
+            Log::error($e);
             return $this->fail([500, '生成失败']);
         }
         $data = "账号,密码,过期时间,UUID,创建时间,订阅地址\r\n";
@@ -357,11 +359,13 @@ class UserController extends Controller
 
     public function sendMail(UserSendMail $request)
     {
+        ini_set('memory_limit', '-1');
         $sortType = in_array($request->input('sort_type'), ['ASC', 'DESC']) ? $request->input('sort_type') : 'DESC';
         $sort = $request->input('sort') ? $request->input('sort') : 'created_at';
         $builder = User::orderBy($sort, $sortType);
-        $this->filter($request, $builder);
+        $this->applyFilters($request, $builder);
         $users = $builder->get();
+        return $this->success($users->count());
         foreach ($users as $user) {
             SendEmailJob::dispatch(
                 [
@@ -386,13 +390,13 @@ class UserController extends Controller
         $sortType = in_array($request->input('sort_type'), ['ASC', 'DESC']) ? $request->input('sort_type') : 'DESC';
         $sort = $request->input('sort') ? $request->input('sort') : 'created_at';
         $builder = User::orderBy($sort, $sortType);
-        $this->filter($request, $builder);
+        $this->applyFilters($request, $builder);
         try {
             $builder->update([
                 'banned' => 1
             ]);
         } catch (\Exception $e) {
-            \Log::error($e);
+            Log::error($e);
             return $this->fail([500, '处理失败']);
         }
 
@@ -425,7 +429,7 @@ class UserController extends Controller
             return $this->success(true);
         } catch (\Exception $e) {
             DB::rollBack();
-            \Log::error($e);
+            Log::error($e);
             return $this->fail([500, '删除失败']);
         }
     }

app/Http/Resources/PlanResource.php

@@ -11,7 +11,7 @@ use Illuminate\Http\Resources\Json\JsonResource;
 class PlanResource extends JsonResource
 {
     private const PRICE_MULTIPLIER = 100;
-    
+
     /**
      * Transform the resource into an array.
      *
@@ -23,7 +23,7 @@ class PlanResource extends JsonResource
             'id' => $this->resource['id'],
             'group_id' => $this->resource['group_id'],
             'name' => $this->resource['name'],
-            'content' => $this->resource['content'],
+            'content' => $this->formatContent(),
             ...$this->getPeriodPrices(),
             'capacity_limit' => $this->getFormattedCapacityLimit(),
             'transfer_enable' => $this->resource['transfer_enable'],
@@ -49,8 +49,8 @@ class PlanResource extends JsonResource
             ->mapWithKeys(function (string $newPeriod, string $legacyPeriod): array {
                 $price = $this->resource['prices'][$newPeriod] ?? null;
                 return [
-                    $legacyPeriod => $price !== null 
+                    $legacyPeriod => $price !== null
-                        ? (float) $price * self::PRICE_MULTIPLIER 
+                        ? (float) $price * self::PRICE_MULTIPLIER
                         : null
                 ];
             })
@@ -72,4 +72,49 @@ class PlanResource extends JsonResource
             default => (int) $limit,
         };
     }
-} 
+
+    /**
+     * Format content with template variables
+     *
+     * @return string
+     */
+    protected function formatContent(): string
+    {
+        $content = $this->resource['content'];
+        
+        $replacements = [
+            '{{transfer}}' => $this->resource['transfer_enable'],
+            '{{speed}}' => $this->resource['speed_limit'] === NULL ? __('No Limit') : $this->resource['speed_limit'],
+            '{{devices}}' => $this->resource['device_limit'] === NULL ? __('No Limit') : $this->resource['device_limit'],
+            '{{reset_method}}' => $this->getResetMethodText(),
+        ];
+
+        return str_replace(
+            array_keys($replacements),
+            array_values($replacements),
+            $content
+        );
+    }
+
+    /**
+     * Get reset method text
+     *
+     * @return string
+     */
+    protected function getResetMethodText(): string
+    {
+        $method = $this->resource['reset_traffic_method'];
+        
+        if ($method === Plan::RESET_TRAFFIC_FOLLOW_SYSTEM) {
+            $method = admin_setting('reset_traffic_method', Plan::RESET_TRAFFIC_MONTHLY);
+        }
+        return match ($method) {
+            Plan::RESET_TRAFFIC_FIRST_DAY_MONTH => __('First Day of Month'),
+            Plan::RESET_TRAFFIC_MONTHLY => __('Monthly'),
+            Plan::RESET_TRAFFIC_NEVER => __('Never'),
+            Plan::RESET_TRAFFIC_FIRST_DAY_YEAR => __('First Day of Year'),
+            Plan::RESET_TRAFFIC_YEARLY => __('Yearly'),
+            default => __('Monthly')
+        };
+    }
+}

app/Http/Routes/V2/AdminRoute.php

@@ -104,7 +104,7 @@ class AdminRoute
                 $router->get('/getUserInfoById', [UserController::class, 'getUserInfoById']);
                 $router->post('/generate', [UserController::class, 'generate']);
                 $router->post('/dumpCSV', [UserController::class, 'dumpCSV']);
-                $router->post('/user/sendMail', [UserController::class, 'sendMail']);
+                $router->post('/sendMail', [UserController::class, 'sendMail']);
                 $router->post('/ban', [UserController::class, 'ban']);
                 $router->post('/resetSecret', [UserController::class, 'resetSecret']);
                 $router->post('/setInviteUser', [UserController::class, 'setInviteUser']);

app/Services/PlanService.php

@@ -75,16 +75,17 @@ class PlanService
         // 转换周期格式为新版格式
         $periodKey = self::getPeriodKey($period);
 
+
+        // 检查价格时使用新版格式
+        if (!isset($this->plan->prices[$periodKey]) || $this->plan->prices[$periodKey] === NULL) {
+            throw new ApiException(__('This payment period cannot be purchased, please choose another period'));
+        }
+
         if ($periodKey === Plan::PERIOD_RESET_TRAFFIC) {
             $this->validateResetTrafficPurchase($user);
             return;
         }
 
-        // 检查价格时使用新版格式
-        if (!isset($this->plan->prices[$periodKey])) {
-            throw new ApiException(__('This payment period cannot be purchased, please choose another period'));
-        }
-
         if ($user->plan_id !== $this->plan->id && !$this->hasCapacity($this->plan)) {
             throw new ApiException(__('Current product is sold out'));
         }

public/assets/admin/locales/en-US.js

@@ -1904,6 +1904,45 @@ window.XBOARD_TRANSLATIONS['en-US'] = {
         "submit": "Submit",
         "success": "Modified successfully"
       }
+    },
+    "actions": {
+      "title": "Actions",
+      "send_email": "Send Email",
+      "export_csv": "Export CSV",
+      "batch_ban": "Batch Ban",
+      "confirm_ban": {
+        "title": "Confirm Batch Ban",
+        "filtered_description": "This action will ban all users that match your current filters. This action cannot be undone.",
+        "all_description": "This action will ban all users in the system. This action cannot be undone.",
+        "cancel": "Cancel",
+        "confirm": "Confirm Ban",
+        "banning": "Banning..."
+      }
+    },
+    "messages": {
+      "success": "Success",
+      "error": "Error",
+      "export": {
+        "success": "Export successful",
+        "failed": "Export failed"
+      },
+      "batch_ban": {
+        "success": "Batch ban successful",
+        "failed": "Batch ban failed"
+      },
+      "send_mail": {
+        "success": "Email sent successfully",
+        "failed": "Failed to send email",
+        "required_fields": "Please fill in all required fields"
+      }
+    },
+    "send_mail": {
+      "title": "Send Email",
+      "description": "Send email to selected or filtered users",
+      "subject": "Subject",
+      "content": "Content",
+      "sending": "Sending...",
+      "send": "Send"
     }
   },
   "subscribe": {
@@ -2024,7 +2063,7 @@ window.XBOARD_TRANSLATIONS['en-US'] = {
           "template": {
             "button": "Use Template",
             "tooltip": "Use default template",
-            "content": "## Plan Features\n\n- Traffic: {{transfer}} GB\n- Speed: {{speed}} Mbps\n- Devices: {{devices}}\n\n## Usage Notes\n\n1. The plan is valid for {{validity}} days\n2. Traffic resets {{reset_method}}\n3. Maximum {{capacity}} concurrent users"
+            "content": "## Plan Details\n\n- Data: {{transfer}} GB\n- Speed Limit: {{speed}} Mbps\n- Concurrent Devices: {{devices}}\n\n## Service Information\n\n1. Data {{reset_method}}\n2. Multi-platform Support\n3. 24/7 Technical Support"
           }
         },
         "force_update": {

public/assets/admin/locales/ko-KR.js

@@ -1854,6 +1854,45 @@ window.XBOARD_TRANSLATIONS['ko-KR'] = {
         "submit": "제출",
         "success": "수정 완료"
       }
+    },
+    "actions": {
+      "title": "작업",
+      "send_email": "이메일 보내기",
+      "export_csv": "CSV 내보내기",
+      "batch_ban": "일괄 차단",
+      "confirm_ban": {
+        "title": "일괄 차단 확인",
+        "filtered_description": "이 작업은 현재 필터와 일치하는 모든 사용자를 차단합니다. 이 작업은 취소할 수 없습니다.",
+        "all_description": "이 작업은 시스템의 모든 사용자를 차단합니다. 이 작업은 취소할 수 없습니다.",
+        "cancel": "취소",
+        "confirm": "차단 확인",
+        "banning": "차단 중..."
+      }
+    },
+    "messages": {
+      "success": "성공",
+      "error": "오류",
+      "export": {
+        "success": "내보내기 성공",
+        "failed": "내보내기 실패"
+      },
+      "batch_ban": {
+        "success": "일괄 차단 성공",
+        "failed": "일괄 차단 실패"
+      },
+      "send_mail": {
+        "success": "이메일 전송 성공",
+        "failed": "이메일 전송 실패",
+        "required_fields": "모든 필수 항목을 입력해주세요"
+      }
+    },
+    "send_mail": {
+      "title": "이메일 보내기",
+      "description": "선택하거나 필터링된 사용자에게 이메일 보내기",
+      "subject": "제목",
+      "content": "내용",
+      "sending": "전송 중...",
+      "send": "보내기"
     }
   },
   "subscribe": {
@@ -1974,7 +2013,7 @@ window.XBOARD_TRANSLATIONS['ko-KR'] = {
           "template": {
             "button": "템플릿 사용",
             "tooltip": "기본 템플릿 사용",
-            "content": "## 플랜 특징\n\n- 트래픽: {{transfer}} GB\n- 속도: {{speed}} Mbps\n- 기기: {{devices}}대\n\n## 사용 안내\n\n1. 플랜 유효 기간: {{validity}}일\n2. 트래픽 초기화: {{reset_method}}\n3. 최대 동시 접속자: {{capacity}}명"
+            "content": "## 요금제 상세\n\n- 데이터: {{transfer}} GB\n- 속도 제한: {{speed}} Mbps\n- 동시접속 기기: {{devices}}대\n\n## 서비스 안내\n\n1. 데이터 {{reset_method}} 초기화\n2. 멀티플랫폼 지원\n3. 24시간 기술지원"
           }
         },
         "force_update": {

public/assets/admin/locales/zh-CN.js

@@ -1871,6 +1871,45 @@ window.XBOARD_TRANSLATIONS['zh-CN'] = {
         "submit": "提交",
         "success": "修改成功"
       }
+    },
+    "actions": {
+      "title": "操作",
+      "send_email": "发送邮件",
+      "export_csv": "导出 CSV",
+      "batch_ban": "批量封禁",
+      "confirm_ban": {
+        "title": "确认批量封禁",
+        "filtered_description": "此操作将封禁所有符合当前筛选条件的用户。此操作无法撤销。",
+        "all_description": "此操作将封禁系统中的所有用户。此操作无法撤销。",
+        "cancel": "取消",
+        "confirm": "确认封禁",
+        "banning": "封禁中..."
+      }
+    },
+    "messages": {
+      "success": "成功",
+      "error": "错误",
+      "export": {
+        "success": "导出成功",
+        "failed": "导出失败"
+      },
+      "batch_ban": {
+        "success": "批量封禁成功",
+        "failed": "批量封禁失败"
+      },
+      "send_mail": {
+        "success": "邮件发送成功",
+        "failed": "邮件发送失败",
+        "required_fields": "请填写所有必填字段"
+      }
+    },
+    "send_mail": {
+      "title": "发送邮件",
+      "description": "向所选或已筛选的用户发送邮件",
+      "subject": "主题",
+      "content": "内容",
+      "sending": "发送中...",
+      "send": "发送"
     }
   },
   "subscribe": {
@@ -1991,7 +2030,7 @@ window.XBOARD_TRANSLATIONS['zh-CN'] = {
           "template": {
             "button": "使用模板",
             "tooltip": "使用默认模板",
-            "content": "## 套餐特点\n\n- 流量：{{transfer}} GB\n- 速度：{{speed}} Mbps\n- 设备数：{{devices}}\n\n## 使用说明\n\n1. 套餐有效期 {{validity}} 天\n2. 流量{{reset_method}}重置\n3. 最多支持 {{capacity}} 个用户同时在线"
+            "content": "## 套餐详情\n\n- 流量：{{transfer}} GB\n- 速度限制：{{speed}} Mbps\n- 同时在线设备：{{devices}} 台\n\n## 服务说明\n\n1. 流量{{reset_method}}重置\n2. 支持多平台使用\n3. 7×24小时技术支持"
           }
         },
         "force_update": {

resources/lang/en-US.json

@@ -113,5 +113,11 @@
     "QR Code": "QR Code",
     "Unlimited": "Unlimited",
     "Device Limit": "Device Limit",
-    "Devices": "Devices"
+    "Devices": "Devices",
+    "No Limit": "No Limit",
+    "First Day of Month": "First Day of Month",
+    "Monthly": "Monthly",
+    "Never": "Never",
+    "First Day of Year": "First Day of Year",
+    "Yearly": "Yearly"
 }

resources/lang/zh-CN.json

@@ -113,5 +113,11 @@
     "QR Code": "二维码",
     "Unlimited": "长期有效",
     "Device Limit": "设备限制",
-    "Devices": "台设备"
+    "Devices": "台设备",
+    "No Limit": "不限制",
+    "First Day of Month": "每月1号",
+    "Monthly": "按月",
+    "Never": "不重置",
+    "First Day of Year": "每年1月1日",
+    "Yearly": "按年"
 }

resources/lang/zh-TW.json

@@ -113,5 +113,11 @@
     "QR Code": "二維碼",
     "Unlimited": "長期有效",
     "Device Limit": "設備限制",
-    "Devices": "台設備"
+    "Devices": "台設備",
+    "No Limit": "不限制",
+    "First Day of Month": "每月1號",
+    "Monthly": "按月",
+    "Never": "不重置",
+    "First Day of Year": "每年1月1日",
+    "Yearly": "按年"
 }

theme/Xboard/config.json

@@ -3,7 +3,7 @@
     "description": "Xboard",
     "version": "1.0.0",
     "images": [
-        "https://raw.githubusercontent.com/cedar2025/Xboard/new/docs/images/dashboard.png"
+        "https://raw.githubusercontent.com/cedar2025/Xboard/master/docs/images/user.png"
     ],
     "configs": [
         {