diff --git a/frontend/src/pages/admin/agent-apps/[id].vue b/frontend/src/pages/admin/agent-apps/[id].vue
index cbace2f..f5be003 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, Eye, KeyRound, Loader2, Plus, Trash2 } from 'lucide-vue-next'
-import { computed, onMounted, ref } from 'vue'
+import { Check, Eye, KeyRound, 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'
@@ -29,13 +29,6 @@ interface CardType {
   price: number
 }
 
-interface PermissionItem {
-  card_type_id: number
-  card_type_name: string
-  billing_type: string
-  price: number
-}
-
 const agentAppId = computed(() => route.params.id as string)
 const loading = ref(true)
 const saving = ref(false)
@@ -47,12 +40,11 @@ const cardTypes = ref<CardType[]>([])
 const form = ref({
   agent_id: '',
   application_id: '',
+  card_type_id: '',
+  price: 0,
   remark: '',
 })
 
-const selectedCardTypeId = ref<string>('')
-const permissions = ref<PermissionItem[]>([])
-
 const selectedAgent = computed(() => {
   if (form.value.agent_id) {
     return agents.value.find(a => String(a.id) === form.value.agent_id)
@@ -67,8 +59,11 @@ const selectedApplication = computed(() => {
   return null
 })
 
-const availableCardTypes = computed(() => {
-  return cardTypes.value.filter(c => !permissions.value.some(p => p.card_type_id === c.id))
+const selectedCardType = computed(() => {
+  if (form.value.card_type_id) {
+    return cardTypes.value.find(ct => String(ct.id) === form.value.card_type_id)
+  }
+  return null
 })
 
 async function fetchAgents() {
@@ -90,7 +85,10 @@ async function fetchApplications() {
 }
 
 async function fetchCardTypes(appId: string) {
-  if (!appId) return
+  if (!appId) {
+    cardTypes.value = []
+    return
+  }
   try {
     const data = await api.get<{ card_types: CardType[] }>(`/dev/card-types?application_id=${appId}`)
     cardTypes.value = data?.card_types || []
@@ -115,15 +113,12 @@ async function fetchAgentApp() {
 
       await fetchCardTypes(String(agentApp.application_id))
 
-      permissions.value = agentApp.card_types?.map((c: any) => {
-        const cardType = cardTypes.value.find(ct => ct.id === c.card_type_id)
-        return {
-          card_type_id: c.card_type_id,
-          card_type_name: cardType?.name || `卡类 #${c.card_type_id}`,
-          billing_type: cardType?.billing_type || '',
-          price: c.price || 0,
-        }
-      }) || []
+      // 取第一个卡类权限
+      if (agentApp.card_types && agentApp.card_types.length > 0) {
+        const firstCardType = agentApp.card_types[0]
+        form.value.card_type_id = String(firstCardType.card_type_id)
+        form.value.price = firstCardType.price || 0
+      }
     }
   }
   catch (error) {
@@ -135,27 +130,11 @@ async function fetchAgentApp() {
   }
 }
 
-function addPermission() {
-  if (!selectedCardTypeId.value) {
-    toast.error(t('admin.agentApps.createForm.selectCardType'))
-    return
+watch(selectedCardType, (ct) => {
+  if (ct && !loading.value) {
+    form.value.price = ct.price
   }
-
-  const cardType = cardTypes.value.find(ct => String(ct.id) === selectedCardTypeId.value)
-  if (!cardType) return
-
-  permissions.value.push({
-    card_type_id: cardType.id,
-    card_type_name: cardType.name,
-    billing_type: cardType.billing_type,
-    price: cardType.price,
-  })
-  selectedCardTypeId.value = ''
-}
-
-function removePermission(index: number) {
-  permissions.value.splice(index, 1)
-}
+})
 
 async function handleSave() {
   if (!form.value.agent_id) {
@@ -168,23 +147,21 @@ async function handleSave() {
     return
   }
 
-  if (permissions.value.length === 0) {
+  if (!form.value.card_type_id) {
     toast.error(t('admin.agentApps.createForm.selectCardRequired'))
     return
   }
 
   saving.value = true
   try {
-    const cardTypesPayload = permissions.value.map(p => ({
-      card_type_id: p.card_type_id,
-      can_generate: true,
-      price: Number(p.price),
-    }))
-
     await api.put(`/dev/agent-apps/${agentAppId.value}`, {
       agent_id: Number(form.value.agent_id),
       application_id: Number(form.value.application_id),
-      card_types: cardTypesPayload,
+      card_types: [{
+        card_type_id: Number(form.value.card_type_id),
+        can_generate: true,
+        price: Number(form.value.price),
+      }],
       discount: 0,
       remark: form.value.remark,
     })
@@ -232,83 +209,73 @@ onMounted(() => {
               <UiCardDescription>{{ t('admin.agentApps.createForm.authConfigDesc') }}</UiCardDescription>
             </UiCardHeader>
             <UiCardContent class="space-y-6">
-              <div class="space-y-2">
-                <UiLabel>{{ t('admin.agentApps.createForm.selectAgent') }} <span class="text-destructive">*</span></UiLabel>
-                <UiSelect v-model="form.agent_id" :disabled="saving">
-                  <UiSelectTrigger>
-                    <UiSelectValue :placeholder="t('admin.agentApps.createForm.selectAgentPlaceholder')" />
-                  </UiSelectTrigger>
-                  <UiSelectContent>
-                    <UiSelectItem
-                      v-for="agent in agents"
-                      :key="agent.id"
-                      :value="String(agent.id)"
-                    >
-                      {{ agent.username }}
-                    </UiSelectItem>
-                  </UiSelectContent>
-                </UiSelect>
-              </div>
-
-              <div class="space-y-2">
-                <UiLabel>{{ t('admin.agentApps.createForm.selectApp') }} <span class="text-destructive">*</span></UiLabel>
-                <UiSelect v-model="form.application_id" :disabled="saving" @update:model-value="fetchCardTypes($event)">
-                  <UiSelectTrigger>
-                    <UiSelectValue :placeholder="t('admin.agentApps.createForm.selectAppPlaceholder')" />
-                  </UiSelectTrigger>
-                  <UiSelectContent>
-                    <UiSelectItem
-                      v-for="app in applications"
-                      :key="app.id"
-                      :value="String(app.id)"
-                    >
-                      {{ app.name }}
-                    </UiSelectItem>
-                  </UiSelectContent>
-                </UiSelect>
-              </div>
-
-              <div class="space-y-2">
-                <UiLabel>{{ t('admin.agentApps.createForm.selectCardType') }} <span class="text-destructive">*</span></UiLabel>
-                <div class="flex gap-3">
-                  <div class="flex-1">
-                    <UiSelect v-model="selectedCardTypeId" :disabled="!form.application_id || saving">
-                      <UiSelectTrigger>
-                        <UiSelectValue :placeholder="t('admin.agentApps.createForm.selectCardTypePlaceholder')" />
-                      </UiSelectTrigger>
-                      <UiSelectContent>
-                        <UiSelectItem v-for="ct in availableCardTypes" :key="ct.id" :value="String(ct.id)">
-                          {{ ct.name }}<template v-if="ct.billing_type"> ({{ ct.billing_type }})</template>
-                        </UiSelectItem>
-                      </UiSelectContent>
-                    </UiSelect>
-                  </div>
-                  <UiButton @click="addPermission" :disabled="!form.application_id || saving">
-                    <Plus class="mr-1 h-4 w-4" />
-                    {{ t('admin.agentApps.createForm.addCardType') }}
-                  </UiButton>
+              <div class="grid gap-4 sm:grid-cols-2">
+                <div class="space-y-2">
+                  <UiLabel>{{ t('admin.agentApps.createForm.selectAgent') }} <span class="text-destructive">*</span></UiLabel>
+                  <UiSelect v-model="form.agent_id" :disabled="saving">
+                    <UiSelectTrigger>
+                      <UiSelectValue :placeholder="t('admin.agentApps.createForm.selectAgentPlaceholder')" />
+                    </UiSelectTrigger>
+                    <UiSelectContent>
+                      <UiSelectItem
+                        v-for="agent in agents"
+                        :key="agent.id"
+                        :value="String(agent.id)"
+                      >
+                        {{ agent.username }}
+                      </UiSelectItem>
+                    </UiSelectContent>
+                  </UiSelect>
                 </div>
 
-                <div v-if="permissions.length > 0" class="border rounded-lg divide-y max-h-64 overflow-y-auto">
-                  <div v-for="(p, index) in permissions" :key="p.card_type_id" class="flex items-center justify-between p-3 gap-4">
-                    <div class="flex-1 min-w-0">
-                      <div class="font-medium truncate">{{ p.card_type_name }}</div>
-                      <div v-if="p.billing_type" class="text-sm text-muted-foreground">{{ p.billing_type }}</div>
-                    </div>
-                    <div class="flex items-center gap-2 shrink-0">
-                      <div class="flex items-center gap-1">
-                        <span class="text-muted-foreground">¥</span>
-                        <UiInput class="w-20 text-right" v-model.number="p.price" :placeholder="t('admin.agentApps.createForm.pricePlaceholder')" />
-                      </div>
-                      <UiButton variant="ghost" size="icon" @click="removePermission(index)" :disabled="saving">
-                        <Trash2 class="h-4 w-4 text-destructive" />
-                      </UiButton>
-                    </div>
+                <div class="space-y-2">
+                  <UiLabel>{{ t('admin.agentApps.createForm.selectApp') }} <span class="text-destructive">*</span></UiLabel>
+                  <UiSelect v-model="form.application_id" :disabled="saving" @update:model-value="fetchCardTypes($event)">
+                    <UiSelectTrigger>
+                      <UiSelectValue :placeholder="t('admin.agentApps.createForm.selectAppPlaceholder')" />
+                    </UiSelectTrigger>
+                    <UiSelectContent>
+                      <UiSelectItem
+                        v-for="app in applications"
+                        :key="app.id"
+                        :value="String(app.id)"
+                      >
+                        {{ app.name }}
+                      </UiSelectItem>
+                    </UiSelectContent>
+                  </UiSelect>
+                </div>
+              </div>
+
+              <div class="grid gap-4 sm:grid-cols-2">
+                <div class="space-y-2">
+                  <UiLabel>{{ t('admin.agentApps.createForm.selectCardType') }} <span class="text-destructive">*</span></UiLabel>
+                  <UiSelect v-model="form.card_type_id" :disabled="!form.application_id || saving">
+                    <UiSelectTrigger>
+                      <UiSelectValue :placeholder="t('admin.agentApps.createForm.selectCardTypePlaceholder')" />
+                    </UiSelectTrigger>
+                    <UiSelectContent>
+                      <UiSelectItem v-for="ct in cardTypes" :key="ct.id" :value="String(ct.id)">
+                        {{ ct.name }}<template v-if="ct.billing_type"> ({{ ct.billing_type }})</template>
+                      </UiSelectItem>
+                    </UiSelectContent>
+                  </UiSelect>
+                </div>
+
+                <div class="space-y-2">
+                  <UiLabel for="price">{{ t('admin.agentApps.createForm.price') }} <span class="text-destructive">*</span></UiLabel>
+                  <div class="relative">
+                    <span class="absolute left-3 top-1/2 -translate-y-1/2 text-muted-foreground">¥</span>
+                    <UiInput
+                      id="price"
+                      v-model.number="form.price"
+                      type="number"
+                      class="pl-7"
+                      :placeholder="t('admin.agentApps.createForm.pricePlaceholder')"
+                      :disabled="saving"
+                    />
                   </div>
                 </div>
-                <p v-else class="text-sm text-muted-foreground text-center py-4">
-                  {{ form.application_id ? t('admin.agentApps.createForm.noCardTypes') : t('admin.agentApps.createForm.selectAppFirst') }}
-                </p>
               </div>
 
               <div class="space-y-2">
@@ -344,29 +311,18 @@ onMounted(() => {
                   <span>{{ selectedApplication?.name || '-' }}</span>
                 </div>
                 <div class="flex justify-between text-sm">
-                  <span class="text-muted-foreground">{{ t('admin.agentApps.createForm.previewCardTypes') }}</span>
-                  <span>{{ t('admin.agentApps.createForm.cardCount', { count: permissions.length }) }}</span>
+                  <span class="text-muted-foreground">{{ t('admin.agentApps.createForm.previewCardType') }}</span>
+                  <span>{{ selectedCardType?.name || '-' }}</span>
+                </div>
+                <div class="flex justify-between text-sm">
+                  <span class="text-muted-foreground">{{ t('admin.agentApps.createForm.previewPrice') }}</span>
+                  <span>¥{{ form.price || 0 }}</span>
                 </div>
                 <div class="flex justify-between text-sm">
                   <span class="text-muted-foreground">{{ t('admin.agentApps.createForm.previewRemark') }}</span>
                   <span class="truncate max-w-[120px]">{{ form.remark || '-' }}</span>
                 </div>
               </div>
-
-              <div v-if="permissions.length > 0" class="border-t pt-4 mt-4">
-                <p class="text-sm text-muted-foreground mb-2">
-                  {{ t('admin.agentApps.createForm.cardTypeList') }}
-                </p>
-                <div class="rounded-lg bg-muted/50 p-3 space-y-2 max-h-[150px] overflow-auto">
-                  <div v-for="p in permissions" :key="p.card_type_id" class="flex items-center justify-between text-sm">
-                    <div class="flex items-center gap-2">
-                      <CheckCircle class="size-4 text-green-600" />
-                      <span>{{ p.card_type_name }}</span>
-                    </div>
-                    <span class="text-muted-foreground">¥{{ p.price }}</span>
-                  </div>
-                </div>
-              </div>
             </UiCardContent>
           </UiCard>
 
@@ -376,7 +332,7 @@ onMounted(() => {
                 <UiButton
                   class="w-full"
                   size="lg"
-                  :disabled="saving || !form.agent_id || !form.application_id || permissions.length === 0"
+                  :disabled="saving || !form.agent_id || !form.application_id || !form.card_type_id"
                   @click="handleSave"
                 >
                   <Loader2 v-if="saving" class="mr-2 h-4 w-4 animate-spin" />
@@ -397,4 +353,4 @@ onMounted(() => {
       </div>
     </div>
   </BasicPage>
-</template>
\ No newline at end of file
+</template>
diff --git a/frontend/src/pages/admin/agent-apps/create.vue b/frontend/src/pages/admin/agent-apps/create.vue
index d95b225..cf97108 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 { CheckCircle, Eye, KeyRound, Loader2, Plus, Rocket, Trash2 } from 'lucide-vue-next'
-import { computed, onMounted, ref } from 'vue'
+import { Eye, KeyRound, Loader2, Rocket } 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'
@@ -28,13 +28,6 @@ interface CardType {
   price: number
 }
 
-interface PermissionItem {
-  card_type_id: number
-  card_type_name: string
-  billing_type: string
-  price: number
-}
-
 const loading = ref(false)
 const saving = ref(false)
 const agents = ref<Agent[]>([])
@@ -44,12 +37,11 @@ const cardTypes = ref<CardType[]>([])
 const form = ref({
   agent_id: '',
   application_id: '',
+  card_type_id: '',
+  price: 0,
   remark: '',
 })
 
-const selectedCardTypeId = ref<string>('')
-const permissions = ref<PermissionItem[]>([])
-
 const selectedAgent = computed(() => {
   if (form.value.agent_id) {
     return agents.value.find(a => String(a.id) === form.value.agent_id)
@@ -64,8 +56,11 @@ const selectedApplication = computed(() => {
   return null
 })
 
-const availableCardTypes = computed(() => {
-  return cardTypes.value.filter(c => !permissions.value.some(p => p.card_type_id === c.id))
+const selectedCardType = computed(() => {
+  if (form.value.card_type_id) {
+    return cardTypes.value.find(ct => String(ct.id) === form.value.card_type_id)
+  }
+  return null
 })
 
 async function fetchAgents() {
@@ -93,37 +88,30 @@ async function fetchApplications() {
 }
 
 async function fetchCardTypes(appId: string) {
-  if (!appId) return
+  if (!appId) {
+    cardTypes.value = []
+    form.value.card_type_id = ''
+    form.value.price = 0
+    return
+  }
   try {
     const data = await api.get<{ card_types: CardType[] }>(`/dev/card-types?application_id=${appId}`)
     cardTypes.value = data?.card_types || []
+    form.value.card_type_id = ''
+    form.value.price = 0
   }
   catch {
     cardTypes.value = []
+    form.value.card_type_id = ''
+    form.value.price = 0
   }
 }
 
-function addPermission() {
-  if (!selectedCardTypeId.value) {
-    toast.error(t('admin.agentApps.createForm.selectCardType'))
-    return
+watch(selectedCardType, (ct) => {
+  if (ct) {
+    form.value.price = ct.price
   }
-
-  const cardType = cardTypes.value.find(ct => String(ct.id) === selectedCardTypeId.value)
-  if (!cardType) return
-
-  permissions.value.push({
-    card_type_id: cardType.id,
-    card_type_name: cardType.name,
-    billing_type: cardType.billing_type,
-    price: cardType.price,
-  })
-  selectedCardTypeId.value = ''
-}
-
-function removePermission(index: number) {
-  permissions.value.splice(index, 1)
-}
+})
 
 async function handleSave() {
   if (!form.value.agent_id) {
@@ -136,23 +124,21 @@ async function handleSave() {
     return
   }
 
-  if (permissions.value.length === 0) {
+  if (!form.value.card_type_id) {
     toast.error(t('admin.agentApps.createForm.selectCardRequired'))
     return
   }
 
   saving.value = true
   try {
-    const cardTypesPayload = permissions.value.map(p => ({
-      card_type_id: p.card_type_id,
-      can_generate: true,
-      price: Number(p.price),
-    }))
-
     await api.post('/dev/agent-apps', {
       agent_id: Number(form.value.agent_id),
       application_id: Number(form.value.application_id),
-      card_types: cardTypesPayload,
+      card_types: [{
+        card_type_id: Number(form.value.card_type_id),
+        can_generate: true,
+        price: Number(form.value.price),
+      }],
       discount: 0,
       remark: form.value.remark,
     })
@@ -195,83 +181,73 @@ onMounted(() => {
               <UiCardDescription>{{ t('admin.agentApps.createForm.authConfigDesc') }}</UiCardDescription>
             </UiCardHeader>
             <UiCardContent class="space-y-6">
-              <div class="space-y-2">
-                <UiLabel>{{ t('admin.agentApps.createForm.selectAgent') }} <span class="text-destructive">*</span></UiLabel>
-                <UiSelect v-model="form.agent_id" :disabled="saving || loading">
-                  <UiSelectTrigger>
-                    <UiSelectValue :placeholder="t('admin.agentApps.createForm.selectAgentPlaceholder')" />
-                  </UiSelectTrigger>
-                  <UiSelectContent>
-                    <UiSelectItem
-                      v-for="agent in agents"
-                      :key="agent.id"
-                      :value="String(agent.id)"
-                    >
-                      {{ agent.username }}
-                    </UiSelectItem>
-                  </UiSelectContent>
-                </UiSelect>
-              </div>
-
-              <div class="space-y-2">
-                <UiLabel>{{ t('admin.agentApps.createForm.selectApp') }} <span class="text-destructive">*</span></UiLabel>
-                <UiSelect v-model="form.application_id" :disabled="saving || loading" @update:model-value="fetchCardTypes($event)">
-                  <UiSelectTrigger>
-                    <UiSelectValue :placeholder="t('admin.agentApps.createForm.selectAppPlaceholder')" />
-                  </UiSelectTrigger>
-                  <UiSelectContent>
-                    <UiSelectItem
-                      v-for="app in applications"
-                      :key="app.id"
-                      :value="String(app.id)"
-                    >
-                      {{ app.name }}
-                    </UiSelectItem>
-                  </UiSelectContent>
-                </UiSelect>
-              </div>
-
-              <div class="space-y-2">
-                <UiLabel>{{ t('admin.agentApps.createForm.selectCardType') }} <span class="text-destructive">*</span></UiLabel>
-                <div class="flex gap-3">
-                  <div class="flex-1">
-                    <UiSelect v-model="selectedCardTypeId" :disabled="!form.application_id || saving">
-                      <UiSelectTrigger>
-                        <UiSelectValue :placeholder="t('admin.agentApps.createForm.selectCardTypePlaceholder')" />
-                      </UiSelectTrigger>
-                      <UiSelectContent>
-                        <UiSelectItem v-for="ct in availableCardTypes" :key="ct.id" :value="String(ct.id)">
-                          {{ ct.name }}<template v-if="ct.billing_type"> ({{ ct.billing_type }})</template>
-                        </UiSelectItem>
-                      </UiSelectContent>
-                    </UiSelect>
-                  </div>
-                  <UiButton @click="addPermission" :disabled="!form.application_id || saving">
-                    <Plus class="mr-1 h-4 w-4" />
-                    {{ t('admin.agentApps.createForm.addCardType') }}
-                  </UiButton>
+              <div class="grid gap-4 sm:grid-cols-2">
+                <div class="space-y-2">
+                  <UiLabel>{{ t('admin.agentApps.createForm.selectAgent') }} <span class="text-destructive">*</span></UiLabel>
+                  <UiSelect v-model="form.agent_id" :disabled="saving || loading">
+                    <UiSelectTrigger>
+                      <UiSelectValue :placeholder="t('admin.agentApps.createForm.selectAgentPlaceholder')" />
+                    </UiSelectTrigger>
+                    <UiSelectContent>
+                      <UiSelectItem
+                        v-for="agent in agents"
+                        :key="agent.id"
+                        :value="String(agent.id)"
+                      >
+                        {{ agent.username }}
+                      </UiSelectItem>
+                    </UiSelectContent>
+                  </UiSelect>
                 </div>
 
-                <div v-if="permissions.length > 0" class="border rounded-lg divide-y max-h-64 overflow-y-auto">
-                  <div v-for="(p, index) in permissions" :key="p.card_type_id" class="flex items-center justify-between p-3 gap-4">
-                    <div class="flex-1 min-w-0">
-                      <div class="font-medium truncate">{{ p.card_type_name }}</div>
-                      <div v-if="p.billing_type" class="text-sm text-muted-foreground">{{ p.billing_type }}</div>
-                    </div>
-                    <div class="flex items-center gap-2 shrink-0">
-                      <div class="flex items-center gap-1">
-                        <span class="text-muted-foreground">¥</span>
-                        <UiInput class="w-20 text-right" v-model.number="p.price" :placeholder="t('admin.agentApps.createForm.pricePlaceholder')" />
-                      </div>
-                      <UiButton variant="ghost" size="icon" @click="removePermission(index)" :disabled="saving">
-                        <Trash2 class="h-4 w-4 text-destructive" />
-                      </UiButton>
-                    </div>
+                <div class="space-y-2">
+                  <UiLabel>{{ t('admin.agentApps.createForm.selectApp') }} <span class="text-destructive">*</span></UiLabel>
+                  <UiSelect v-model="form.application_id" :disabled="saving || loading" @update:model-value="fetchCardTypes($event)">
+                    <UiSelectTrigger>
+                      <UiSelectValue :placeholder="t('admin.agentApps.createForm.selectAppPlaceholder')" />
+                    </UiSelectTrigger>
+                    <UiSelectContent>
+                      <UiSelectItem
+                        v-for="app in applications"
+                        :key="app.id"
+                        :value="String(app.id)"
+                      >
+                        {{ app.name }}
+                      </UiSelectItem>
+                    </UiSelectContent>
+                  </UiSelect>
+                </div>
+              </div>
+
+              <div class="grid gap-4 sm:grid-cols-2">
+                <div class="space-y-2">
+                  <UiLabel>{{ t('admin.agentApps.createForm.selectCardType') }} <span class="text-destructive">*</span></UiLabel>
+                  <UiSelect v-model="form.card_type_id" :disabled="!form.application_id || saving">
+                    <UiSelectTrigger>
+                      <UiSelectValue :placeholder="t('admin.agentApps.createForm.selectCardTypePlaceholder')" />
+                    </UiSelectTrigger>
+                    <UiSelectContent>
+                      <UiSelectItem v-for="ct in cardTypes" :key="ct.id" :value="String(ct.id)">
+                        {{ ct.name }}<template v-if="ct.billing_type"> ({{ ct.billing_type }})</template>
+                      </UiSelectItem>
+                    </UiSelectContent>
+                  </UiSelect>
+                </div>
+
+                <div class="space-y-2">
+                  <UiLabel for="price">{{ t('admin.agentApps.createForm.price') }} <span class="text-destructive">*</span></UiLabel>
+                  <div class="relative">
+                    <span class="absolute left-3 top-1/2 -translate-y-1/2 text-muted-foreground">¥</span>
+                    <UiInput
+                      id="price"
+                      v-model.number="form.price"
+                      type="number"
+                      class="pl-7"
+                      :placeholder="t('admin.agentApps.createForm.pricePlaceholder')"
+                      :disabled="saving"
+                    />
                   </div>
                 </div>
-                <p v-else class="text-sm text-muted-foreground text-center py-4">
-                  {{ form.application_id ? t('admin.agentApps.createForm.noCardTypes') : t('admin.agentApps.createForm.selectAppFirst') }}
-                </p>
               </div>
 
               <div class="space-y-2">
@@ -307,29 +283,18 @@ onMounted(() => {
                   <span>{{ selectedApplication?.name || '-' }}</span>
                 </div>
                 <div class="flex justify-between text-sm">
-                  <span class="text-muted-foreground">{{ t('admin.agentApps.createForm.previewCardTypes') }}</span>
-                  <span>{{ t('admin.agentApps.createForm.cardCount', { count: permissions.length }) }}</span>
+                  <span class="text-muted-foreground">{{ t('admin.agentApps.createForm.previewCardType') }}</span>
+                  <span>{{ selectedCardType?.name || '-' }}</span>
+                </div>
+                <div class="flex justify-between text-sm">
+                  <span class="text-muted-foreground">{{ t('admin.agentApps.createForm.previewPrice') }}</span>
+                  <span>¥{{ form.price || 0 }}</span>
                 </div>
                 <div class="flex justify-between text-sm">
                   <span class="text-muted-foreground">{{ t('admin.agentApps.createForm.previewRemark') }}</span>
                   <span class="truncate max-w-[120px]">{{ form.remark || '-' }}</span>
                 </div>
               </div>
-
-              <div v-if="permissions.length > 0" class="border-t pt-4 mt-4">
-                <p class="text-sm text-muted-foreground mb-2">
-                  {{ t('admin.agentApps.createForm.cardTypeList') }}
-                </p>
-                <div class="rounded-lg bg-muted/50 p-3 space-y-2 max-h-[150px] overflow-auto">
-                  <div v-for="p in permissions" :key="p.card_type_id" class="flex items-center justify-between text-sm">
-                    <div class="flex items-center gap-2">
-                      <CheckCircle class="size-4 text-green-600" />
-                      <span>{{ p.card_type_name }}</span>
-                    </div>
-                    <span class="text-muted-foreground">¥{{ p.price }}</span>
-                  </div>
-                </div>
-              </div>
             </UiCardContent>
           </UiCard>
 
@@ -339,7 +304,7 @@ onMounted(() => {
                 <UiButton
                   class="w-full"
                   size="lg"
-                  :disabled="saving || !form.agent_id || !form.application_id || permissions.length === 0"
+                  :disabled="saving || !form.agent_id || !form.application_id || !form.card_type_id"
                   @click="handleSave"
                 >
                   <Loader2 v-if="saving" class="mr-2 h-4 w-4 animate-spin" />
diff --git a/frontend/src/plugins/i18n/en.json b/frontend/src/plugins/i18n/en.json
index e62b1cf..25c64a3 100644
--- a/frontend/src/plugins/i18n/en.json
+++ b/frontend/src/plugins/i18n/en.json
@@ -1706,32 +1706,26 @@
       "remove": "Remove",
       "createForm": {
         "title": "Add Authorization",
-        "description": "Add new application authorization for agent",
+        "description": "Add application card type authorization for agent",
         "editTitle": "Edit Authorization",
-        "editDescription": "Modify agent's application authorization configuration",
+        "editDescription": "Modify agent's application card type authorization",
         "authConfig": "Authorization Configuration",
-        "authConfigDesc": "Select agent, application and configure card type permissions",
+        "authConfigDesc": "Select agent, application and card type",
         "selectAgent": "Select Agent",
         "selectAgentPlaceholder": "Please select an agent",
         "selectApp": "Select Application",
         "selectAppPlaceholder": "Please select an application",
-        "cardPermission": "Card Type Permissions",
         "selectCardType": "Select Card Type",
         "selectCardTypePlaceholder": "Please select a card type",
-        "addCardType": "Add",
-        "cardTypeList": "Authorized Card Types",
-        "cardTypeName": "Card Type Name",
-        "billingType": "Billing Type",
         "price": "Price",
         "pricePlaceholder": "Enter price",
-        "noCardTypes": "Please select card types to add to authorization list",
-        "selectAppFirst": "Please select an application first",
         "remark": "Remark",
         "remarkPlaceholder": "Enter remark (optional)",
         "preview": "Preview",
         "previewAgent": "Agent",
         "previewApp": "Application",
-        "previewCardTypes": "Card Types",
+        "previewCardType": "Card Type",
+        "previewPrice": "Price",
         "previewRemark": "Remark",
         "confirmAuth": "Confirm Authorization",
         "updateAuth": "Save Changes",
@@ -1742,8 +1736,7 @@
         "fetchFailed": "Failed to fetch authorization information",
         "selectAgentRequired": "Please select an agent",
         "selectAppRequired": "Please select an application",
-        "selectCardRequired": "Please add at least one card type",
-        "cardCount": "{count} items"
+        "selectCardRequired": "Please select a card type"
       }
     },
     "finance": {
diff --git a/frontend/src/plugins/i18n/zh.json b/frontend/src/plugins/i18n/zh.json
index ded9cfa..4c8faff 100644
--- a/frontend/src/plugins/i18n/zh.json
+++ b/frontend/src/plugins/i18n/zh.json
@@ -1695,32 +1695,26 @@
       "remove": "移除",
       "createForm": {
         "title": "添加授权",
-        "description": "为代理添加新的应用授权",
+        "description": "为代理添加应用卡类授权",
         "editTitle": "编辑授权",
-        "editDescription": "修改代理的应用授权配置",
+        "editDescription": "修改代理的应用卡类授权配置",
         "authConfig": "授权配置",
-        "authConfigDesc": "选择代理、应用和配置卡类权限",
+        "authConfigDesc": "选择代理、应用和卡类",
         "selectAgent": "选择代理",
         "selectAgentPlaceholder": "请选择代理",
         "selectApp": "选择应用",
         "selectAppPlaceholder": "请选择应用",
-        "cardPermission": "卡类权限",
         "selectCardType": "选择卡类",
         "selectCardTypePlaceholder": "请选择卡类",
-        "addCardType": "添加",
-        "cardTypeList": "已授权卡类",
-        "cardTypeName": "卡类名称",
-        "billingType": "计费类型",
         "price": "价格",
         "pricePlaceholder": "输入价格",
-        "noCardTypes": "请选择卡类添加到授权列表",
-        "selectAppFirst": "请先选择应用",
         "remark": "备注",
         "remarkPlaceholder": "输入备注信息（可选）",
         "preview": "预览",
         "previewAgent": "代理",
         "previewApp": "应用",
-        "previewCardTypes": "授权卡类",
+        "previewCardType": "卡类",
+        "previewPrice": "价格",
         "previewRemark": "备注",
         "confirmAuth": "确认授权",
         "updateAuth": "保存修改",
@@ -1731,8 +1725,7 @@
         "fetchFailed": "获取授权信息失败",
         "selectAgentRequired": "请选择代理",
         "selectAppRequired": "请选择应用",
-        "selectCardRequired": "请至少添加一个卡类",
-        "cardCount": "{count} 个"
+        "selectCardRequired": "请选择卡类"
       }
     },
     "finance": {