diff --git a/src/api/partner.js b/src/api/partner.js
index b7613f8..5d90539 100644
--- a/src/api/partner.js
+++ b/src/api/partner.js
@@ -43,3 +43,20 @@ export function mockSyncPartner(id) {
     method: "post",
   });
 }
+
+/** 获取货代公司组织列表（用于关联内部组织选择） */
+export function getAgentOrgList() {
+  return request({
+    url: "/admin/org/listAllOrgNameByTypeWithId",
+    method: "post",
+    data: { orgCode: "AGENT" },
+  }).then((res) => {
+    if (String(res?.code || "") === "0000") {
+      return (res?.result || []).map((item) => ({
+        label: item.name,
+        value: item.id,
+      }));
+    }
+    return [];
+  });
+}
diff --git a/src/views/contract/partner/components/PartnerModal.vue b/src/views/contract/partner/components/PartnerModal.vue
index 105e9e1..ce7cfcf 100644
--- a/src/views/contract/partner/components/PartnerModal.vue
+++ b/src/views/contract/partner/components/PartnerModal.vue
@@ -82,11 +82,25 @@
               </a-radio-group>
             </a-form-item>
             <a-form-item label="是否集团内" required>
-              <a-radio-group v-model:value="formState.groupFlag">
+              <a-radio-group v-model:value="formState.groupFlag" @change="(e) => handleGroupFlagChange(e)">
                 <a-radio value="Y">是</a-radio>
                 <a-radio value="N">否</a-radio>
               </a-radio-group>
             </a-form-item>
+            <a-form-item
+              v-if="formState.groupFlag === 'Y'"
+              label="关联内部组织"
+              class="field-span-2"
+            >
+              <a-select
+                v-model:value="formState.linkedOrgId"
+                :options="agentOrgOptions"
+                placeholder="请选择关联的内部货代公司组织"
+                allow-clear
+                show-search
+                option-filter-prop="label"
+              />
+            </a-form-item>
             <a-form-item
               v-if="showCustomerTaxno"
               label="统一社会信用代码"
@@ -260,6 +274,7 @@
 <script setup>
 import { computed, ref } from "vue";
 import { message } from "ant-design-vue";
+import { getAgentOrgList } from "@/api/partner.js";
 
 const props = defineProps({
   optionSets: {
@@ -319,6 +334,8 @@ function createFormData() {
     createTime: "",
     syncTime: "",
     syncMessage: "",
+    linkedOrgId: undefined,
+    linkedUserAccount: "",
   };
 }
 
@@ -347,6 +364,7 @@ const visible = ref(false);
 const modalMode = ref("create");
 const originalState = ref(createFormData());
 const formState = ref(createFormData());
+const agentOrgOptions = ref([]);
 
 const isViewMode = computed(() => modalMode.value === "view");
 
@@ -424,6 +442,13 @@ function handleOppositeCharacterChange() {
   }
 }
 
+function handleGroupFlagChange(e) {
+  const value = e?.target?.value ?? e;
+  if (value !== "Y") {
+    formState.value.linkedOrgId = undefined;
+  }
+}
+
 function handleNatureOfEnterpriseOrgChange() {
   if (formState.value.natureOfEnterpriseOrg !== "QY") {
     formState.value.natureOfEnterpriseOrgLev = undefined;
@@ -497,6 +522,12 @@ function normalizeFormBeforeSave() {
   formState.value.isSgat = formState.value.gatFlag === "Y" ? "1" : "0";
   formState.value.isJtn = formState.value.groupFlag === "Y" ? "1" : "0";
 
+  // 如果非集团内，清空关联内部组织
+  if (formState.value.groupFlag !== "Y") {
+    formState.value.linkedOrgId = undefined;
+    formState.value.linkedUserAccount = "";
+  }
+
   formState.value.contacts = (formState.value.contacts || []).map((item) => ({
     ...item,
     contactName: item.contactName?.trim?.() || "",
@@ -528,6 +559,10 @@ function showModal(record = {}, mode = "create") {
     modalMode.value === "create" ? createFormData() : copyFormData(record);
   originalState.value = copyFormData(source);
   formState.value = copyFormData(source);
+  // 加载货代公司组织列表
+  getAgentOrgList().then((options) => {
+    agentOrgOptions.value = options;
+  });
   visible.value = true;
 }