diff --git a/app/admin/controller/auth/Group.php b/app/admin/controller/auth/Group.php
index 26cb0ec..4bd22ca 100644
--- a/app/admin/controller/auth/Group.php
+++ b/app/admin/controller/auth/Group.php
@@ -34,6 +34,7 @@ class Group extends Backend
     protected bool $assembleTree = true;
 
     protected array $adminGroups = [];
+    protected array $manageableGroupIds = [];
 
     protected function initController(Request $request): ?Response
     {
@@ -48,6 +49,7 @@ class Group extends Backend
         $this->assembleTree = $isTree && !$this->initValue;
 
         $this->adminGroups = Db::name('admin_group_access')->where('uid', $this->auth->id)->column('group_id');
+        $this->manageableGroupIds = $this->getManageableGroupIds();
         return null;
     }
 
@@ -79,6 +81,23 @@ class Group extends Backend
             }
 
             $data = $this->excludeFields($data);
+            $pid = $data['pid'] ?? 0;
+            $pidInt = intval((string)$pid);
+            if (!$this->auth->isSuperAdmin() && $pidInt !== 0 && !in_array($pidInt, $this->manageableGroupIds, true)) {
+                return $this->error(__('You have no permission'));
+            }
+            $shouldHandleCommissionRate = true;
+            if ($shouldHandleCommissionRate) {
+                if (!$this->isValidCommissionRate($data['commission_rate'] ?? null)) {
+                    return $this->error(__('Please enter the correct field', ['commission_rate']));
+                }
+                if ($pidInt !== 0) {
+                    $commissionRes = $this->validateSiblingCommissionRate($pidInt, floatval((string)$data['commission_rate']));
+                    if ($commissionRes !== null) return $commissionRes;
+                }
+            } else {
+                $data['commission_rate'] = 0;
+            }
             $rulesRes = $this->handleRules($data);
             if ($rulesRes instanceof Response) return $rulesRes;
 
@@ -141,6 +160,23 @@ class Group extends Backend
             }
 
             $data = $this->excludeFields($data);
+            $pid = $data['pid'] ?? $row['pid'] ?? 0;
+            $pidInt = intval((string)$pid);
+            if (!$this->auth->isSuperAdmin() && $pidInt !== 0 && !in_array($pidInt, $this->manageableGroupIds, true)) {
+                return $this->error(__('You have no permission'));
+            }
+            $shouldHandleCommissionRate = true;
+            if ($shouldHandleCommissionRate) {
+                if (!$this->isValidCommissionRate($data['commission_rate'] ?? null)) {
+                    return $this->error(__('Please enter the correct field', ['commission_rate']));
+                }
+                if ($pidInt !== 0) {
+                    $commissionRes = $this->validateSiblingCommissionRate($pidInt, floatval((string)$data['commission_rate']), intval((string)$row['id']));
+                    if ($commissionRes !== null) return $commissionRes;
+                }
+            } else {
+                $data['commission_rate'] = 0;
+            }
             $rulesRes = $this->handleRules($data);
             if ($rulesRes instanceof Response) return $rulesRes;
 
@@ -308,11 +344,12 @@ class Group extends Backend
         }
 
         if (!$this->auth->isSuperAdmin()) {
-            $authGroups = $this->auth->getAllAuthGroups($this->authMethod, $where);
-            if (!$absoluteAuth) {
-                $authGroups = array_merge($this->adminGroups, $authGroups);
+            // 仅本人所在角色组 + 其下级子组（getManageableGroupIds）；不包含上级/同级。无父节点在结果集时，assembleChild 将该节点作为树根展示，符合「只看我这条线」
+            $authGroups = $this->manageableGroupIds;
+            if ($absoluteAuth) {
+                $authGroups = array_values(array_diff($authGroups, $this->adminGroups));
             }
-            $where[] = ['id', 'in', $authGroups];
+            $where[] = ['id', 'in', $authGroups ?: [0]];
         }
         $data = $this->model->where($where)->select()->toArray();
 
@@ -337,10 +374,48 @@ class Group extends Backend
 
     private function checkAuth($groupId): ?Response
     {
-        $authGroups = $this->auth->getAllAuthGroups($this->authMethod, []);
-        if (!$this->auth->isSuperAdmin() && !in_array($groupId, $authGroups)) {
+        $authGroups = $this->manageableGroupIds;
+        if (!$this->auth->isSuperAdmin() && !in_array(intval((string)$groupId), $authGroups, true)) {
             return $this->error(__($this->authMethod == 'allAuth' ? 'You need to have all permissions of this group to operate this group~' : 'You need to have all the permissions of the group and have additional permissions before you can operate the group~'));
         }
         return null;
     }
+
+    private function getManageableGroupIds(): array
+    {
+        if ($this->auth->isSuperAdmin()) {
+            return AdminGroup::where('status', 1)->column('id');
+        }
+        $own = array_map('intval', $this->adminGroups);
+        $children = array_map('intval', $this->auth->getAdminChildGroups());
+        return array_values(array_unique(array_merge($own, $children)));
+    }
+
+    private function isValidCommissionRate(mixed $value): bool
+    {
+        if ($value === null || $value === '') {
+            return false;
+        }
+        $rate = trim((string)$value);
+        if (!preg_match('/^(100(\.00?)?|[0-9]{1,2}(\.[0-9]{1,2})?)$/', $rate)) {
+            return false;
+        }
+        return true;
+    }
+
+    private function validateSiblingCommissionRate(int $pid, float $currentRate, ?int $excludeId = null): ?Response
+    {
+        $query = Db::name('admin_group')->where('pid', $pid);
+        if ($excludeId !== null) {
+            $query = $query->where('id', '<>', $excludeId);
+        }
+        $sum = (float)$query->sum('commission_rate');
+        $remaining = 100 - $sum;
+        if ($currentRate > $remaining + 0.000001) {
+            $exceed = $currentRate - $remaining;
+            return $this->error(sprintf('同一父级角色组分红比例总和不能超过100%%，当前父级剩余 %.2f%%，本次超出 %.2f%%', max(0, $remaining), $exceed));
+        }
+        return null;
+    }
+
 }
diff --git a/app/admin/lang/en.php b/app/admin/lang/en.php
index 087e8a8..c60ea01 100644
--- a/app/admin/lang/en.php
+++ b/app/admin/lang/en.php
@@ -94,5 +94,6 @@ return [
     'No rows were restore'                                                                => 'No rows were restored',
     '%d records and files have been deleted'                                               => '%d records and files have been deleted',
     'Please input correct username'                                                       => 'Please enter the correct username',
+    'Please enter a valid commission rate for non-top role group'                         => 'Non-top role groups require a commission rate between 0 and 100 (%)',
     'Group Name Arr'                                                                      => 'Group Name Arr',
 ];
\ No newline at end of file
diff --git a/app/admin/lang/zh-cn.php b/app/admin/lang/zh-cn.php
index 1445196..ca6d866 100644
--- a/app/admin/lang/zh-cn.php
+++ b/app/admin/lang/zh-cn.php
@@ -113,5 +113,6 @@ return [
     'No rows were restore'                                                                => '未恢复任何行',
     '%d records and files have been deleted'                                              => '已删除%d条记录和文件',
     'Please input correct username'                                                       => '请输入正确的用户名',
+    'Please enter a valid commission rate for non-top role group'                         => '非顶级角色组须填写 0～100 的分红比例(%)',
     'Group Name Arr'                                                                      => '分组名称数组',
 ];
\ No newline at end of file
diff --git a/web/src/lang/backend/en/auth/group.ts b/web/src/lang/backend/en/auth/group.ts
index 57f8a04..e85b712 100644
--- a/web/src/lang/backend/en/auth/group.ts
+++ b/web/src/lang/backend/en/auth/group.ts
@@ -1,6 +1,11 @@
 export default {
     GroupName: 'Group Name',
     'Group name': 'Group Name',
+    commission_rate: 'Commission rate (%)',
+    commission_rate_desc_title: 'Group commission notes',
+    commission_rate_desc_1: 'The total group commission rate under the same parent cannot exceed 100%.',
+    commission_rate_desc_2: 'Current group commission = channel commission × (1 - parent group commission rate) × current group commission rate.',
+    commission_rate_desc_3: 'If exceeded, the system returns both exceeded value and remaining quota under current parent.',
     jurisdiction: 'Permissions',
     'Parent group': 'Superior group',
     'The parent group cannot be the group itself': 'The parent group cannot be the group itself',
diff --git a/web/src/lang/backend/zh-cn/auth/group.ts b/web/src/lang/backend/zh-cn/auth/group.ts
index 18f6a82..f1190ca 100644
--- a/web/src/lang/backend/zh-cn/auth/group.ts
+++ b/web/src/lang/backend/zh-cn/auth/group.ts
@@ -1,6 +1,11 @@
 export default {
     GroupName: '组名',
     'Group name': '组别名称',
+    commission_rate: '分红比例(%)',
+    commission_rate_desc_title: '角色组分红说明',
+    commission_rate_desc_1: '同一父级下角色组分红比例总和不能超过100%。',
+    commission_rate_desc_2: '当前角色分红=渠道设置获取分红×(1-上级角色分红比例)×当前角色分红比例。',
+    commission_rate_desc_3: '提交超额时，系统会提示超出值与当前父级剩余额度。',
     jurisdiction: '权限',
     'Parent group': '上级分组',
     'The parent group cannot be the group itself': '上级分组不能是分组本身',
diff --git a/web/src/views/backend/auth/group/index.vue b/web/src/views/backend/auth/group/index.vue
index 42d574b..77df8c1 100644
--- a/web/src/views/backend/auth/group/index.vue
+++ b/web/src/views/backend/auth/group/index.vue
@@ -54,7 +54,13 @@ const baTable: baTableClass = new baTableClass(
         dblClickNotEditColumn: [undefined],
         column: [
             { type: 'selection', align: 'center' },
-            { label: t('auth.group.Group name'), prop: 'name', align: 'left', width: '200' },
+            {
+                label: t('auth.group.Group name'),
+                prop: 'name',
+                align: 'left',
+                minWidth: '180',
+            },
+            { label: t('auth.group.commission_rate'), prop: 'commission_rate', align: 'center', formatter: formatRatePercent },
             { label: t('auth.group.jurisdiction'), prop: 'rules', align: 'center' },
             {
                 label: t('State'),
@@ -165,6 +171,13 @@ const menuRuleTreeUpdate = () => {
 
 provide('baTable', baTable)
 
+function formatRatePercent(row: anyObj, _column: any, cellValue: number | string | null) {
+    if (cellValue === null || cellValue === undefined || cellValue === '') {
+        return '0%'
+    }
+    return `${cellValue}%`
+}
+
 onMounted(() => {
     baTable.table.ref = tableRef.value
     baTable.mount()
diff --git a/web/src/views/backend/auth/group/popupForm.vue b/web/src/views/backend/auth/group/popupForm.vue
index 95ebb66..e2b3c5c 100644
--- a/web/src/views/backend/auth/group/popupForm.vue
+++ b/web/src/views/backend/auth/group/popupForm.vue
@@ -49,6 +49,23 @@
                             :placeholder="t('Please input field', { field: t('auth.group.Group name') })"
                         ></el-input>
                     </el-form-item>
+                    <FormItem
+                        :label="t('auth.group.commission_rate')"
+                        v-model="baTable.form.items!.commission_rate"
+                        type="number"
+                        prop="commission_rate"
+                        :input-attr="{ step: 0.01, precision: 2, min: 0, max: 100, disabled: shouldDisableCommissionRate() }"
+                        :placeholder="t('Please input field', { field: t('auth.group.commission_rate') })"
+                    />
+                    <el-alert class="commission-rate-alert" :title="t('auth.group.commission_rate_desc_title')" type="info" :closable="false" show-icon>
+                        <template #default>
+                            <ul class="commission-rate-desc-list">
+                                <li>{{ t('auth.group.commission_rate_desc_1') }}</li>
+                                <li>{{ t('auth.group.commission_rate_desc_2') }}</li>
+                                <li>{{ t('auth.group.commission_rate_desc_3') }}</li>
+                            </ul>
+                        </template>
+                    </el-alert>
                     <el-form-item prop="auth" :label="t('auth.group.jurisdiction')">
                         <el-tree
                             ref="treeRef"
@@ -94,16 +111,40 @@ import type { ElTree, FormItemRule } from 'element-plus'
 import { buildValidatorData } from '/@/utils/validate'
 import type Node from 'element-plus/es/components/tree/src/model/node'
 import { useConfig } from '/@/stores/config'
+import { useAdminInfo } from '/@/stores/adminInfo'
 
 const config = useConfig()
+const adminInfo = useAdminInfo()
 const formRef = useTemplateRef('formRef')
 const treeRef = useTemplateRef('treeRef')
 const baTable = inject('baTable') as baTableClass
 
 const { t } = useI18n()
+const shouldDisableCommissionRate = () => {
+    return false
+}
 
 const rules: Partial<Record<string, FormItemRule[]>> = reactive({
     name: [buildValidatorData({ name: 'required', title: t('auth.group.Group name') })],
+    commission_rate: [
+        {
+            required: true,
+            validator: (_rule: any, val: number | string, callback: Function) => {
+                if (shouldDisableCommissionRate()) {
+                    return callback()
+                }
+                const strVal = String(val ?? '').trim()
+                if (!strVal) {
+                    return callback(new Error(t('Please input field', { field: t('auth.group.commission_rate') })))
+                }
+                if (!/^(100(\.00?)?|[0-9]{1,2}(\.[0-9]{1,2})?)$/.test(strVal)) {
+                    return callback(new Error(t('auth.admin.Commission rate must be between 0 and 100 with up to 2 decimals')))
+                }
+                return callback()
+            },
+            trigger: 'blur',
+        },
+    ],
     auth: [
         {
             required: true,
@@ -153,6 +194,16 @@ defineExpose({
 </script>
 
 <style scoped lang="scss">
+.commission-rate-alert {
+    margin-bottom: 12px;
+}
+
+.commission-rate-desc-list {
+    margin: 6px 0 0;
+    padding-left: 18px;
+    line-height: 1.6;
+}
+
 :deep(.penultimate-node) {
     .el-tree-node__children {
         padding-left: 60px;