diff --git a/frontend/src/layouts/agent.vue b/frontend/src/layouts/agent.vue
index 4fe2030..1e065dc 100644
--- a/frontend/src/layouts/agent.vue
+++ b/frontend/src/layouts/agent.vue
@@ -53,11 +53,6 @@ const navMain = computed(() => [
         url: '/agent',
         icon: Gauge,
       },
-      {
-        title: t('nav.applications'),
-        url: '/agent/apps',
-        icon: Boxes,
-      },
       {
         title: t('nav.cards'),
         url: '/agent/cards',
@@ -88,7 +83,6 @@ const breadcrumbs = computed(() => {
   const crumbs = [{ title: t('nav.console'), path: '/agent' }]
 
   const titleMap: Record<string, string> = {
-    apps: t('nav.applications'),
     cards: t('nav.cards'),
     users: t('nav.users'),
     finance: t('nav.finance'),
diff --git a/frontend/src/pages/admin/agent-apps/[id].vue b/frontend/src/pages/admin/agent-apps/[id].vue
index f485326..9f6a7e5 100644
--- a/frontend/src/pages/admin/agent-apps/[id].vue
+++ b/frontend/src/pages/admin/agent-apps/[id].vue
@@ -1,6 +1,6 @@
 <script setup lang="ts">
-import { Check, CheckCircle, Loader2 } from 'lucide-vue-next'
-import { computed, onMounted, ref } from 'vue'
+import { CheckCircle, Loader2 } from 'lucide-vue-next'
+import { computed, onMounted, ref, watch } from 'vue'
 import { useI18n } from 'vue-i18n'
 import { useRoute, useRouter } from 'vue-router'
 import { toast } from 'vue-sonner'
@@ -30,7 +30,6 @@ interface CardType {
 }
 
 const agentAppId = computed(() => route.params.id as string)
-const isEdit = computed(() => !!agentAppId.value)
 const loading = ref(false)
 const saving = ref(false)
 
@@ -41,6 +40,7 @@ const cardTypes = ref<CardType[]>([])
 const form = ref({
   agent_id: '',
   application_id: '',
+  remark: '',
   card_type_prices: {} as Record<string, number>,
   card_type_auth: {} as Record<string, boolean>,
 })
@@ -63,6 +63,17 @@ async function fetchApplications() {
   catch { /* ignore */ }
 }
 
+async function fetchCardTypes(appId: string) {
+  if (!appId) return
+  try {
+    const data = await api.get<{ card_types: CardType[] }>(`/dev/card-types?application_id=${appId}`)
+    cardTypes.value = data?.card_types || []
+  }
+  catch {
+    cardTypes.value = []
+  }
+}
+
 async function fetchAgentApp() {
   if (!agentAppId.value) return
   
@@ -74,17 +85,15 @@ async function fetchAgentApp() {
     if (agentApp) {
       form.value.agent_id = String(agentApp.agent_id)
       form.value.application_id = String(agentApp.application_id)
-      
-      agentApp.card_types.forEach((ct: any) => {
-        form.value.card_type_auth[String(ct.card_type_id)] = ct.can_generate
-      })
+      form.value.remark = agentApp.remark || ''
       
       await fetchCardTypes(String(agentApp.application_id))
       
       cardTypes.value.forEach((ct) => {
-        const existingCard = agentApp.card_types.find((c: any) => c.card_type_id === ct.id)
+        const existingCard = agentApp.card_types?.find((c: any) => c.card_type_id === ct.id)
         if (existingCard) {
           form.value.card_type_prices[String(ct.id)] = existingCard.price || ct.price
+          form.value.card_type_auth[String(ct.id)] = existingCard.can_generate
         } else {
           form.value.card_type_prices[String(ct.id)] = ct.price
           form.value.card_type_auth[String(ct.id)] = false
@@ -101,24 +110,6 @@ async function fetchAgentApp() {
   }
 }
 
-async function fetchCardTypes(appId: string) {
-  if (!appId) return
-  try {
-    const data = await api.get<{ card_types: CardType[] }>(`/dev/card-types?application_id=${appId}`)
-    cardTypes.value = data?.card_types || []
-  }
-  catch {
-    cardTypes.value = []
-  }
-}
-
-function onAppChange(appId: string) {
-  cardTypes.value = []
-  form.value.card_type_prices = {}
-  form.value.card_type_auth = {}
-  if (appId) fetchCardTypes(appId)
-}
-
 async function handleSave() {
   if (!form.value.agent_id) {
     toast.error('请选择代理')
@@ -140,26 +131,16 @@ async function handleSave() {
         : ct.price,
     }))
 
-    if (isEdit.value) {
-      await api.put(`/dev/agent-apps/${agentAppId.value}`, {
-        card_types: cardTypesPayload,
-        discount: 0,
-      })
-      toast.success('授权更新成功')
-    } else {
-      await api.post('/dev/agent-apps', {
-        agent_id: Number(form.value.agent_id),
-        application_id: Number(form.value.application_id),
-        card_types: cardTypesPayload,
-        discount: 0,
-      })
-      toast.success('授权添加成功')
-    }
-    
+    await api.put(`/dev/agent-apps/${agentAppId.value}`, {
+      card_types: cardTypesPayload,
+      discount: 0,
+      remark: form.value.remark,
+    })
+    toast.success('授权更新成功')
     router.push('/admin/agent-apps')
   }
   catch (error: any) {
-    toast.error(error.message || (isEdit.value ? '更新授权失败' : '添加授权失败'))
+    toast.error(error.message || '更新授权失败')
   }
   finally {
     saving.value = false
@@ -169,19 +150,17 @@ async function handleSave() {
 onMounted(() => {
   fetchAgents()
   fetchApplications()
-  if (isEdit.value) {
-    fetchAgentApp()
-  }
+  fetchAgentApp()
 })
 </script>
 
 <template>
   <BasicPage
-    :title="isEdit ? '编辑授权' : '添加授权'"
-    :description="isEdit ? '修改代理的应用授权配置' : '为代理添加新的应用授权'"
+    title="编辑授权"
+    description="修改代理的应用授权配置"
     :breadcrumbs="[
       { title: t('nav.agentApps'), href: '/admin/agent-apps' },
-      { title: isEdit ? '编辑授权' : '添加授权' },
+      { title: '编辑授权' },
     ]"
     sticky
   >
@@ -201,7 +180,7 @@ onMounted(() => {
               <UiLabel>选择代理</UiLabel>
               <UiSelect 
                 v-model="form.agent_id" 
-                :disabled="isEdit"
+                disabled
               >
                 <UiSelectTrigger>
                   <UiSelectValue placeholder="请选择代理" />
@@ -212,14 +191,14 @@ onMounted(() => {
                   </UiSelectItem>
                 </UiSelectContent>
               </UiSelect>
+              <p class="text-xs text-muted-foreground">编辑时不可修改代理</p>
             </div>
 
             <div class="space-y-2">
               <UiLabel>选择应用</UiLabel>
               <UiSelect 
                 v-model="form.application_id" 
-                @update:model-value="onAppChange"
-                :disabled="isEdit"
+                disabled
               >
                 <UiSelectTrigger>
                   <UiSelectValue placeholder="请选择应用" />
@@ -230,8 +209,18 @@ onMounted(() => {
                   </UiSelectItem>
                 </UiSelectContent>
               </UiSelect>
+              <p class="text-xs text-muted-foreground">编辑时不可修改应用</p>
             </div>
           </div>
+
+          <div class="space-y-2">
+            <UiLabel>备注</UiLabel>
+            <UiTextarea
+              v-model="form.remark"
+              placeholder="输入备注信息（可选）"
+              rows="3"
+            />
+          </div>
         </UiCardContent>
       </UiCard>
 
@@ -290,7 +279,7 @@ onMounted(() => {
         >
           <Loader2 v-if="saving" class="mr-2 h-4 w-4 animate-spin" />
           <CheckCircle v-else class="mr-2 h-4 w-4" />
-          {{ isEdit ? '保存修改' : '确认授权' }}
+          保存修改
         </UiButton>
         <UiButton variant="outline" @click="router.back()">
           取消
diff --git a/frontend/src/pages/admin/agent-apps/components/columns.ts b/frontend/src/pages/admin/agent-apps/components/columns.ts
index 9d382ba..7a8b9d0 100644
--- a/frontend/src/pages/admin/agent-apps/components/columns.ts
+++ b/frontend/src/pages/admin/agent-apps/components/columns.ts
@@ -3,7 +3,7 @@ import type { Composer } from 'vue-i18n'
 
 import { Badge } from '@/components/ui/badge'
 import { Button } from '@/components/ui/button'
-import { Check, Pencil, Trash2, X } from 'lucide-vue-next'
+import { Check, Pencil, Trash2 } from 'lucide-vue-next'
 import { h } from 'vue'
 
 import type { AgentApp } from '../data/schema'
@@ -46,19 +46,24 @@ export function getColumns(actions: {
       header: () => h('span', {}, '卡密类型'),
       cell: ({ row }) => {
         const cardTypes = row.getValue('card_types') as AgentApp['card_types']
-        const total = cardTypes?.length || 0
-        const authorized = cardTypes?.filter(c => c.can_generate).length || 0
-        return h('div', { class: 'flex items-center gap-2' }, [
-          h('span', { class: 'text-sm' }, `${authorized} / ${total}`),
-        ])
-      },
-    },
-    {
-      accessorKey: 'balance',
-      header: () => h('span', {}, '余额'),
-      cell: ({ row }) => {
-        const balance = row.getValue('balance') as number
-        return h('span', { class: 'text-sm font-medium' }, `¥${(balance || 0).toFixed(2)}`)
+        if (!cardTypes || cardTypes.length === 0) {
+          return h('span', { class: 'text-muted-foreground' }, '-')
+        }
+        
+        return h('div', { class: 'flex flex-wrap gap-1' }, 
+          cardTypes.map(ct => 
+            h('span', {
+              class: `inline-flex items-center gap-1 px-2 py-0.5 rounded text-xs ${
+                ct.can_generate 
+                  ? 'bg-green-100 text-green-700 dark:bg-green-900/30 dark:text-green-400' 
+                  : 'bg-gray-100 text-gray-500 dark:bg-gray-800 dark:text-gray-400'
+              }`
+            }, [
+              ct.can_generate && h(Check, { class: 'size-3' }),
+              ct.name || `卡类#${ct.card_type_id}`
+            ])
+          )
+        )
       },
     },
     {
@@ -72,6 +77,24 @@ export function getColumns(actions: {
         )
       },
     },
+    {
+      accessorKey: 'created_at',
+      header: () => h('span', {}, '授权时间'),
+      cell: ({ row }) => {
+        const createdAt = row.getValue('created_at') as string
+        if (!createdAt) return h('span', { class: 'text-muted-foreground' }, '-')
+        const date = new Date(createdAt)
+        return h('span', { class: 'text-sm' }, date.toLocaleString('zh-CN'))
+      },
+    },
+    {
+      accessorKey: 'remark',
+      header: () => h('span', {}, '备注'),
+      cell: ({ row }) => {
+        const remark = row.getValue('remark') as string
+        return h('span', { class: 'text-sm text-muted-foreground' }, remark || '-')
+      },
+    },
     {
       id: 'actions',
       header: () => h('span', { class: 'sr-only' }, '操作'),
diff --git a/frontend/src/pages/admin/agent-apps/create.vue b/frontend/src/pages/admin/agent-apps/create.vue
index ef442db..6cfa363 100644
--- a/frontend/src/pages/admin/agent-apps/create.vue
+++ b/frontend/src/pages/admin/agent-apps/create.vue
@@ -1,6 +1,6 @@
 <script setup lang="ts">
-import { Check, CheckCircle, Loader2 } from 'lucide-vue-next'
-import { computed, onMounted, ref } from 'vue'
+import { CheckCircle, Loader2 } from 'lucide-vue-next'
+import { computed, onMounted, ref, watch } from 'vue'
 import { useI18n } from 'vue-i18n'
 import { useRouter } from 'vue-router'
 import { toast } from 'vue-sonner'
@@ -29,7 +29,6 @@ interface CardType {
 }
 
 const saving = ref(false)
-
 const agents = ref<Agent[]>([])
 const applications = ref<Application[]>([])
 const cardTypes = ref<CardType[]>([])
@@ -37,10 +36,18 @@ const cardTypes = ref<CardType[]>([])
 const form = ref({
   agent_id: '',
   application_id: '',
+  remark: '',
   card_type_prices: {} as Record<string, number>,
   card_type_auth: {} as Record<string, boolean>,
 })
 
+const selectedApplication = computed(() => {
+  if (form.value.application_id) {
+    return applications.value.find(app => String(app.id) === form.value.application_id)
+  }
+  return null
+})
+
 async function fetchAgents() {
   try {
     const data = await api.get<{ agents?: Agent[] }>('/dev/agents')
@@ -74,12 +81,12 @@ async function fetchCardTypes(appId: string) {
   }
 }
 
-function onAppChange(appId: string) {
+watch(() => form.value.application_id, (appId) => {
   cardTypes.value = []
   form.value.card_type_prices = {}
   form.value.card_type_auth = {}
   if (appId) fetchCardTypes(appId)
-}
+})
 
 async function handleSave() {
   if (!form.value.agent_id) {
@@ -107,6 +114,7 @@ async function handleSave() {
       application_id: Number(form.value.application_id),
       card_types: cardTypesPayload,
       discount: 0,
+      remark: form.value.remark,
     })
     toast.success('授权添加成功')
     router.push('/admin/agent-apps')
@@ -144,7 +152,7 @@ onMounted(() => {
         <UiCardContent class="space-y-6">
           <div class="grid gap-6 md:grid-cols-2">
             <div class="space-y-2">
-              <UiLabel>选择代理</UiLabel>
+              <UiLabel>选择代理 <span class="text-destructive">*</span></UiLabel>
               <UiSelect v-model="form.agent_id">
                 <UiSelectTrigger>
                   <UiSelectValue placeholder="请选择代理" />
@@ -158,11 +166,8 @@ onMounted(() => {
             </div>
 
             <div class="space-y-2">
-              <UiLabel>选择应用</UiLabel>
-              <UiSelect 
-                v-model="form.application_id" 
-                @update:model-value="onAppChange"
-              >
+              <UiLabel>选择应用 <span class="text-destructive">*</span></UiLabel>
+              <UiSelect v-model="form.application_id">
                 <UiSelectTrigger>
                   <UiSelectValue placeholder="请选择应用" />
                 </UiSelectTrigger>
@@ -174,6 +179,15 @@ onMounted(() => {
               </UiSelect>
             </div>
           </div>
+
+          <div class="space-y-2">
+            <UiLabel>备注</UiLabel>
+            <UiTextarea
+              v-model="form.remark"
+              placeholder="输入备注信息（可选）"
+              rows="3"
+            />
+          </div>
         </UiCardContent>
       </UiCard>
 
diff --git a/frontend/src/pages/admin/agent-apps/data/schema.ts b/frontend/src/pages/admin/agent-apps/data/schema.ts
index a05fa6d..f4f142a 100644
--- a/frontend/src/pages/admin/agent-apps/data/schema.ts
+++ b/frontend/src/pages/admin/agent-apps/data/schema.ts
@@ -10,4 +10,5 @@ export interface AgentApp {
   card_types: { card_type_id: number, can_generate: boolean, name?: string }[]
   created_at?: string
   updated_at?: string
+  remark?: string
 }
diff --git a/frontend/src/router/routes.ts b/frontend/src/router/routes.ts
index 04435eb..64caacc 100644
--- a/frontend/src/router/routes.ts
+++ b/frontend/src/router/routes.ts
@@ -426,18 +426,6 @@ const routes: RouteRecordRaw[] = [
         component: () => import('@/pages/agent/index.vue'),
         meta: { title: '控制台 - 代理商后台' },
       },
-      {
-        path: 'apps',
-        name: 'AgentApps',
-        component: () => import('@/pages/agent/apps/index.vue'),
-        meta: { title: '应用管理 - 代理商后台' },
-      },
-      {
-        path: 'apps/:id',
-        name: 'AgentAppDetail',
-        component: () => import('@/pages/agent/apps/[id].vue'),
-        meta: { title: '应用详情 - 代理商后台' },
-      },
       {
         path: 'cards',
         name: 'AgentCards',