diff --git a/src/api/subscription.ts b/src/api/subscription.ts
index b2f042a..7e6273b 100644
--- a/src/api/subscription.ts
+++ b/src/api/subscription.ts
@@ -45,6 +45,20 @@ export interface SubscriptionGroupPayload {
   Consumers: string[]
 }
 
+/** 应用级订阅方（应用本身的两方公司，不分具体产品） */
+export interface SubscriptionAppParties {
+  AppUUID: string
+  Providers: SubscriptionCompanyItem[]
+  Consumers: SubscriptionCompanyItem[]
+}
+
+/** 应用级订阅方保存入参（整体重写） */
+export interface SubscriptionAppPartyPayload {
+  AppUUID: string
+  Providers: string[]
+  Consumers: string[]
+}
+
 /** 订阅式软件提供 API 客户端 */
 export const subscriptionApi = {
   /** 订阅组（产品）列表（含提供者/消费者公司） */
@@ -66,4 +80,12 @@ export const subscriptionApi = {
   /** 可选公司列表（当前管理员全部可管理公司，含所属租户名） */
   companies: (): Promise<{ list: SubscriptionCompanyItem[]; total: number; Scope: string }> =>
     get<{ list: SubscriptionCompanyItem[]; total: number; Scope: string }>('/API/Subscription/Companies'),
+
+  /** 应用级订阅方（应用配置页注入卡片：提供者/消费者公司，不分产品） */
+  appParties: (AppUUID: string): Promise<SubscriptionAppParties> =>
+    get<SubscriptionAppParties>('/API/Subscription/AppParties', { AppUUID }),
+
+  /** 保存应用级订阅方（整体重写） */
+  saveAppParties: (data: SubscriptionAppPartyPayload): Promise<SubscriptionAppParties> =>
+    post<SubscriptionAppParties>('/API/Subscription/AppParty/Save', data),
 }
diff --git a/src/apps/index.ts b/src/apps/index.ts
index c0b6f76..fe3c7b9 100644
--- a/src/apps/index.ts
+++ b/src/apps/index.ts
@@ -165,16 +165,15 @@ const builtin: Record<string, AppFrontendModule> = {
     AppCode: 'subscription',
     Title: '订阅式软件提供',
     Icon: 'Connection',
-    FrontendRoute: '/subscription/group',
+    FrontendRoute: '/subscription/software',
     FrontendType: 'vue',
     LegacySrc: '',
-    // 注入到「应用配置页」的自定义区块：展示当前范围作为提供者/消费者参与的产品
+    // 注入到「应用配置页」的自定义卡片：确定本应用自身的提供者/消费者公司（初始化引用）
     ConfigPanels: [
       {
-        Key: 'subscription-relation-overview',
-        Title: '订阅关系概览',
-        Sub: '当前范围作为提供者 / 消费者参与的产品（按公司隔离）',
-        CompanyOnly: true,
+        Key: 'subscription-app-party',
+        Title: '应用订阅方',
+        Sub: '确定本应用自身的提供者公司与消费者公司（不分具体产品），作为订阅关系的初始化引用',
         Component: () => import('@/views/subscription/ConfigPanel.vue'),
       },
     ],
diff --git a/src/router/index.ts b/src/router/index.ts
index 61845dc..2ef73f1 100644
--- a/src/router/index.ts
+++ b/src/router/index.ts
@@ -451,6 +451,12 @@ export const staticRoutes: RouteRecordRaw[] = [
         meta: { title: '绩效管理', icon: 'TrendCharts', requiresAuth: true, menuGuarded: true },
       },
       // === 订阅式软件提供（订阅组=产品：提供者/消费者公司） ===
+      {
+        path: 'subscription/software',
+        name: 'SubscriptionSoftware',
+        component: () => import('@/views/subscription/Group.vue'),
+        meta: { title: '软件管理', icon: 'Management', requiresAuth: true, menuGuarded: true },
+      },
       {
         path: 'subscription/group',
         name: 'SubscriptionGroup',
diff --git a/src/views/subscription/ConfigPanel.vue b/src/views/subscription/ConfigPanel.vue
index 8029cbf..56ea2e6 100644
--- a/src/views/subscription/ConfigPanel.vue
+++ b/src/views/subscription/ConfigPanel.vue
@@ -1,20 +1,21 @@
 <script setup lang="ts">
 /**
- * 订阅式软件提供 · 注入到「应用配置页」的自定义区块
+ * 订阅式软件提供 · 注入到「应用配置页」的自定义卡片
  *
- * 由前端应用注册表（src/apps/index.ts 的 subscription.ConfigPanels）挂载，
- * 配置页把当前范围上下文以 props 传入，本组件只读展示当前公司的订阅关系。
+ * 由前端应用注册表（src/apps/index.ts 的 subscription.ConfigPanels）挂载。
+ * 用途：确定**本应用自身**的提供者公司与消费者公司（不分具体产品），
+ * 作为订阅关系的初始化引用（与「订阅组（产品）」的产品级名单相互独立）。
  */
-import { computed, ref, watch } from 'vue'
-import { useRouter } from 'vue-router'
-import { subscriptionApi, type SubscriptionRelationItem } from '@/api/subscription'
+import { computed, onMounted, ref } from 'vue'
+import { ElMessage } from 'element-plus'
+import { subscriptionApi, type SubscriptionCompanyItem } from '@/api/subscription'
 
 const props = defineProps<{
   /** 应用 UUID */
   AppUUID: string
   /** 应用名 */
   AppName: string
-  /** '' = 租户默认；否则为公司 UUID */
+  /** '' = 租户默认；否则为公司 UUID（本卡片与范围无关，仅用于文案） */
   CompanyUUID: string
   /** 配置管理范围 */
   Scope: string
@@ -22,23 +23,38 @@ const props = defineProps<{
   ScopeLabel: string
 }>()
 
-const router = useRouter()
 const loading = ref(false)
-const relation = ref<SubscriptionRelationItem | null>(null)
+const saving = ref(false)
+const companies = ref<SubscriptionCompanyItem[]>([])
+/** 提供者公司 UUID 列表 */
+const providers = ref<string[]>([])
+/** 消费者公司 UUID 列表 */
+const consumers = ref<string[]>([])
 
-const hasRelation = computed(
-  () => !!relation.value && (relation.value.ProviderGroups.length > 0 || relation.value.ConsumerGroups.length > 0),
-)
+/** 公司按所属租户分组（下拉用 el-option-group 展示） */
+const companyGroups = computed(() => {
+  const map = new Map<string, { TenantUUID: string; TenantName: string; Companies: SubscriptionCompanyItem[] }>()
+  for (const c of companies.value) {
+    const key = c.TenantUUID || ''
+    if (!map.has(key)) {
+      map.set(key, { TenantUUID: key, TenantName: c.TenantName || '未知租户', Companies: [] })
+    }
+    map.get(key)!.Companies.push(c)
+  }
+  return [...map.values()]
+})
 
 async function load(): Promise<void> {
-  if (!props.CompanyUUID) {
-    relation.value = null
-    return
-  }
+  if (!props.AppUUID) return
   loading.value = true
   try {
-    const r = await subscriptionApi.relations()
-    relation.value = (r.list || []).find((x) => x.CompanyUUID === props.CompanyUUID) || null
+    const [c, p] = await Promise.all([
+      subscriptionApi.companies(),
+      subscriptionApi.appParties(props.AppUUID),
+    ])
+    companies.value = c.list || []
+    providers.value = (p.Providers || []).map((x) => x.CompanyUUID)
+    consumers.value = (p.Consumers || []).map((x) => x.CompanyUUID)
   } catch {
     /* 拦截器已提示 */
   } finally {
@@ -46,96 +62,109 @@ async function load(): Promise<void> {
   }
 }
 
-watch(() => props.CompanyUUID, load, { immediate: true })
+async function onSave(): Promise<void> {
+  saving.value = true
+  try {
+    await subscriptionApi.saveAppParties({
+      AppUUID: props.AppUUID,
+      Providers: providers.value,
+      Consumers: consumers.value,
+    })
+    ElMessage.success('应用订阅方已保存')
+    await load()
+  } catch {
+    /* 拦截器已提示 */
+  } finally {
+    saving.value = false
+  }
+}
+
+onMounted(load)
 </script>
 
 <template>
-  <div v-loading="loading" class="sub-cfg-panel">
-    <div class="sub-cfg-tip">
-      当前范围：<b>{{ ScopeLabel }}</b>。订阅关系按<b>产品（订阅组）</b>登记，下述为该范围作为「提供者 / 消费者」参与的产品。
+  <div v-loading="loading" class="sub-party-panel">
+    <div class="sub-party-tip">
+      确定<b>本应用自身</b>的提供者公司与消费者公司（不分具体产品），作为订阅关系的<b>初始化引用</b>；
+      可选范围 = 您有管理权的全部公司。同一家公司不能同时列为两方。
     </div>
-    <el-empty
-      v-if="!loading && !hasRelation"
-      description="该范围尚未参与任何订阅组（可在「订阅组管理」里新建产品并指定提供者/消费者）"
-      :image-size="60"
-    />
-    <div v-else-if="relation" class="sub-cfg-body">
-      <div class="sub-cfg-row">
-        <span class="sub-cfg-label">作为提供者</span>
-        <div class="sub-cfg-tags">
-          <el-tag
-            v-for="g in relation.ProviderGroups"
-            :key="g.SubscriptionGroupUUID"
-            size="small"
-            effect="plain"
-            :type="g.GroupStatus ? 'primary' : 'info'"
-          >{{ g.GroupName }}</el-tag>
-          <span v-if="!relation.ProviderGroups.length" class="sub-cfg-empty">—</span>
-        </div>
-      </div>
-      <div class="sub-cfg-row">
-        <span class="sub-cfg-label">作为消费者</span>
-        <div class="sub-cfg-tags">
-          <el-tag
-            v-for="g in relation.ConsumerGroups"
-            :key="g.SubscriptionGroupUUID"
-            size="small"
-            type="success"
-            effect="plain"
-          >{{ g.GroupName }}</el-tag>
-          <span v-if="!relation.ConsumerGroups.length" class="sub-cfg-empty">—</span>
-        </div>
-      </div>
-    </div>
-    <div class="sub-cfg-actions">
-      <el-button size="small" @click="router.push('/subscription/group')">订阅组管理</el-button>
-      <el-button size="small" type="primary" plain @click="router.push('/subscription/relation')">订阅关系</el-button>
+    <el-form label-width="96px" label-position="right" class="sub-party-form">
+      <el-form-item label="提供者公司">
+        <el-select
+          v-model="providers"
+          multiple
+          filterable
+          collapse-tags
+          collapse-tags-tooltip
+          placeholder="选择一家或多家提供者公司"
+          class="sub-party-select"
+        >
+          <el-option-group
+            v-for="gp in companyGroups"
+            :key="gp.TenantUUID"
+            :label="gp.TenantName || '未知租户'"
+          >
+            <el-option
+              v-for="c in gp.Companies"
+              :key="c.CompanyUUID"
+              :label="c.CompanyName"
+              :value="c.CompanyUUID"
+              :disabled="consumers.includes(c.CompanyUUID)"
+            />
+          </el-option-group>
+        </el-select>
+      </el-form-item>
+      <el-form-item label="消费者公司">
+        <el-select
+          v-model="consumers"
+          multiple
+          filterable
+          collapse-tags
+          collapse-tags-tooltip
+          placeholder="选择一家或多家消费者公司"
+          class="sub-party-select"
+        >
+          <el-option-group
+            v-for="gp in companyGroups"
+            :key="gp.TenantUUID"
+            :label="gp.TenantName || '未知租户'"
+          >
+            <el-option
+              v-for="c in gp.Companies"
+              :key="c.CompanyUUID"
+              :label="c.CompanyName"
+              :value="c.CompanyUUID"
+              :disabled="providers.includes(c.CompanyUUID)"
+            />
+          </el-option-group>
+        </el-select>
+      </el-form-item>
+    </el-form>
+    <div class="sub-party-actions">
+      <el-button type="primary" :loading="saving" @click="onSave">保存应用订阅方</el-button>
     </div>
   </div>
 </template>
 
 <style scoped lang="scss">
-.sub-cfg-panel {
+.sub-party-panel {
   min-height: 60px;
 }
-.sub-cfg-tip {
+.sub-party-tip {
   font-size: 12px;
   color: var(--el-text-color-secondary);
-  margin-bottom: 10px;
+  margin-bottom: 12px;
   line-height: 1.6;
 }
-.sub-cfg-body {
+.sub-party-form {
+  max-width: 640px;
+}
+.sub-party-select {
+  width: 100%;
+}
+.sub-party-actions {
   display: flex;
-  flex-direction: column;
-  gap: 8px;
-}
-.sub-cfg-row {
-  display: flex;
-  align-items: flex-start;
-  gap: 10px;
-}
-.sub-cfg-label {
-  flex-shrink: 0;
-  width: 76px;
-  font-size: 13px;
-  color: var(--el-text-color-regular);
-  line-height: 24px;
-}
-.sub-cfg-tags {
-  display: flex;
-  flex-wrap: wrap;
-  gap: 6px;
-}
-.sub-cfg-empty {
-  font-size: 12px;
-  color: var(--el-text-color-placeholder);
-  line-height: 24px;
-}
-.sub-cfg-actions {
-  margin-top: 14px;
-  padding-top: 12px;
-  border-top: 1px solid var(--el-border-color-lighter);
-  display: flex;
-  gap: 8px;
+  justify-content: flex-end;
+  max-width: 640px;
 }
 </style>
diff --git a/src/views/subscription/Group.vue b/src/views/subscription/Group.vue
index bb787c9..1b00689 100644
--- a/src/views/subscription/Group.vue
+++ b/src/views/subscription/Group.vue
@@ -7,6 +7,7 @@
  * （跨租户管理员可选任意租户的公司）。
  */
 import { computed, onMounted, reactive, ref } from 'vue'
+import { useRoute } from 'vue-router'
 import { ElMessage, ElMessageBox } from 'element-plus'
 import { setPageTitle } from '@/utils/serverScope'
 import {
@@ -16,7 +17,9 @@ import {
   type SubscriptionGroupPayload,
 } from '@/api/subscription'
 
-setPageTitle('订阅组管理')
+// 同一页面挂两个菜单：软件管理（/subscription/software）与 订阅组管理（/subscription/group）
+const route = useRoute()
+setPageTitle(route.path.includes('/software') ? '软件管理' : '订阅组管理')
 
 const loading = ref(false)
 const saving = ref(false)