diff --git a/src/views/contract/launch/components/ContractPartyPlaceholderModal.vue b/src/views/contract/launch/components/ContractPartyPlaceholderModal.vue
index 708562f..485ea0e 100644
--- a/src/views/contract/launch/components/ContractPartyPlaceholderModal.vue
+++ b/src/views/contract/launch/components/ContractPartyPlaceholderModal.vue
@@ -888,13 +888,14 @@
                     >
                       <template #default="{ record }">
                         <a-select
-                          v-model:value="record.planSubjectName"
-                          :options="ourParties.map(p => ({ label: `${p.companyName} (${p.subjectCode})`, value: p.companyName, subjectCode: p.subjectCode }))"
+                          v-model:value="record.planSubjectCode"
+                          :options="planSubjectOptions"
+                          show-search
                           allow-clear
-                          placeholder="从已选我方主体中选择"
-                          :disabled="!ourParties.length"
+                          placeholder="选择所属主体机构"
+                          :filter-option="filterPartnerOption"
                           style="width: 100%"
-                          @change="(value, option) => { record.planSubjectCode = option?.subjectCode || ''; }"
+                          @change="(value, option) => { record.planSubjectName = option?.label || ''; }"
                         />
                       </template>
                     </a-table-column>
@@ -985,6 +986,14 @@ import {
 const counterpartyOptions = ref([]);
 const ourPartyOrgOptions = ref([]);
 
+/** 履行计划所属主体下拉选项：从全部可选机构中选取 */
+const planSubjectOptions = computed(() =>
+  ourPartyOrgOptions.value.map((opt) => ({
+    label: opt.raw?.orgName || opt.label || opt.value,
+    value: String(opt.raw?.orgId ?? ""),
+  })),
+);
+
 // ========== 合同相关字典 ==========
 
 const mandateTypeOptions = [