diff --git a/jeecgboot-vue3/src/views/xslmes/mesXslMixingSpec/components/MesXslMixingSpecModal.vue b/jeecgboot-vue3/src/views/xslmes/mesXslMixingSpec/components/MesXslMixingSpecModal.vue
index b2ff809..49ebd2c 100644
--- a/jeecgboot-vue3/src/views/xslmes/mesXslMixingSpec/components/MesXslMixingSpecModal.vue
+++ b/jeecgboot-vue3/src/views/xslmes/mesXslMixingSpec/components/MesXslMixingSpecModal.vue
@@ -6,7 +6,7 @@
     :defaultFullscreen="true"
     wrapClassName="mixing-spec-modal-wrap"
     @register="registerModal"
-    @cancel="closeNestedPickers"
+    @cancel="handleMainModalClose"
     @ok="handleSubmit"
   >
     <template #title>{{ title }}</template>
@@ -53,7 +53,7 @@
               <a-input
                 :value="sheetForm.machineName"
                 readonly
-                placeholder="请点击选择设备台账"
+                :placeholder="machinePickerPlaceholder"
                 :disabled="!showFooter"
                 :bordered="false"
                 :class="['form-input', 'mixing-picker-input', { 'is-filled': !!sheetForm.machineName }]"
@@ -467,15 +467,15 @@
       <BasicForm v-show="false" @register="registerForm" />
     </div>
   </BasicModal>
-  <MesXslEquipmentLedgerSelectModal @register="registerMachineModal" @select="onMachineSelect" />
-  <MesXslMixerPsCompileSelectModal @register="registerIssueNumberModal" @select="onIssueNumberSelect" />
-  <MesXslMixingMaterialSelectModal @register="registerMixingMaterialModal" @select="onMixingMaterialSelect" />
-  <MesXslMixingSpecStepHistorySelectModal @register="registerHistoryStepModal" @select="onHistoryStepSelect" />
-  <MesXslMixingSpecSelectModal @register="registerSpecPickerModal" @edit="onSpecPickerEdit" @referenceAdd="onSpecPickerReferenceAdd" />
+  <MesXslEquipmentLedgerSelectModal :key="nestedPickerKey" @register="registerMachineModal" @select="onMachineSelect" />
+  <MesXslMixerPsCompileSelectModal :key="nestedPickerKey" @register="registerIssueNumberModal" @select="onIssueNumberSelect" />
+  <MesXslMixingMaterialSelectModal :key="nestedPickerKey" @register="registerMixingMaterialModal" @select="onMixingMaterialSelect" />
+  <MesXslMixingSpecStepHistorySelectModal :key="nestedPickerKey" @register="registerHistoryStepModal" @select="onHistoryStepSelect" />
+  <MesXslMixingSpecSelectModal :key="nestedPickerKey" @register="registerSpecPickerModal" @edit="onSpecPickerEdit" @referenceAdd="onSpecPickerReferenceAdd" />
 </template>
 
 <script lang="ts" setup>
-import { computed, reactive, ref, unref } from 'vue';
+import { computed, nextTick, reactive, ref, unref } from 'vue';
 import dayjs from 'dayjs';
 import { BasicModal, useModal, useModalInner } from '/@/components/Modal';
 import { BasicForm, useForm } from '/@/components/Form/index';
@@ -560,6 +560,9 @@ const showFooter = ref(true);
 const isHistoryView = ref(false);
 const historyVersion = ref('');
 const mixerPsCompilePickerId = ref('');
+//update-begin---author:cursor ---date:20260615  for：【XSLMES-20260615-A04】主弹窗关闭后重建嵌套选择弹窗，避免 useModal 状态残留-----------
+const nestedPickerKey = ref(0);
+//update-end---author:cursor ---date:20260615  for：【XSLMES-20260615-A04】主弹窗关闭后重建嵌套选择弹窗，避免 useModal 状态残留-----------
 //update-begin---author:cursor ---date:20260522  for：【XSLMES-20260522-A34】混合步骤动作/组合下拉选项-----------
 const mixerActionOptions = ref<{ title: string; value: string }[]>([]);
 const mixerConditionOptions = ref<{ title: string; value: string }[]>([]);
@@ -985,7 +988,7 @@ const [registerForm, { resetFields, setFieldsValue, validate, setProps }] = useF
 });
 
 //update-begin---author:cursor ---date:20260522  for：【XSLMES-20260522-A33】混炼示方主表选择弹窗-----------
-const [registerMachineModal, { openModal: openMachineModalInner, closeModal: closeMachineModal }] = useModal();
+const [registerMachineModal, { openModal: openMachineModalInner, closeModal: closeMachineModal, setModalProps: setMachineModalProps }] = useModal();
 const [registerIssueNumberModal, { openModal: openIssueNumberModalInner, closeModal: closeIssueNumberModal }] = useModal();
 const [registerMixingMaterialModal, { openModal: openMixingMaterialModalInner, closeModal: closeMixingMaterialModal, setModalProps: setMixingMaterialModalProps }] = useModal();
 //update-begin---author:cursor ---date:20260526  for：【XSLMES-20260526-A58】参照历史混合步骤选择弹窗-----------
@@ -1004,14 +1007,42 @@ function closeNestedPickers() {
   closeSpecPickerModal();
   materialPickerRow.value = null;
 }
+
+//update-begin---author:cursor ---date:20260615  for：【XSLMES-20260615-A03】主弹窗关闭时重置表单并清理嵌套弹窗状态-----------
+function handleMainModalClose() {
+  closeNestedPickers();
+  resetSheetForm();
+  isUpdate.value = false;
+  isHistoryView.value = false;
+  historyVersion.value = '';
+  showFooter.value = true;
+  mixerActionOptions.value = [];
+  mixerConditionOptions.value = [];
+  nestedPickerKey.value += 1;
+}
+
+//update-end---author:cursor ---date:20260615  for：【XSLMES-20260615-A03】主弹窗关闭时重置表单并清理嵌套弹窗状态-----------
 //update-end---author:cursor ---date:20260525  for：【XSLMES-20260525-A52】关闭混炼示方弹窗时同步关闭嵌套选料弹窗-----------
 
-function openMachinePicker() {
+//update-begin---author:cursor ---date:20260615  for：【XSLMES-20260615-A01】规格有数据时机台点击走示方选择弹窗-----------
+const machinePickerPlaceholder = computed(() =>
+  sheetForm.specName ? '请点击选择混炼示方' : '请点击选择设备台账',
+);
+
+async function openMachinePicker() {
   if (!showFooter.value) {
     return;
   }
-  openMachineModalInner(true, { equipmentLedgerId: sheetForm.machineId || '' });
+  if (sheetForm.specName) {
+    openSpecPicker();
+    return;
+  }
+  setMachineModalProps({ zIndex: 1500 });
+  openMachineModalInner(true, { equipmentLedgerId: sheetForm.machineId || '', ts: Date.now() });
+  await nextTick();
+  setMachineModalProps({ zIndex: 1500, open: true });
 }
+//update-end---author:cursor ---date:20260615  for：【XSLMES-20260615-A01】规格有数据时机台点击走示方选择弹窗-----------
 
 async function onMachineSelect(payload: Recordable | null) {
   sheetForm.machineId = payload?.equipmentLedgerId || '';
@@ -1037,7 +1068,11 @@ function openSpecPicker() {
     return;
   }
   setSpecPickerModalProps({ zIndex: 1500 });
-  openSpecPickerModalInner(true, { machineId: sheetForm.machineId || '' });
+  openSpecPickerModalInner(true, {
+    machineId: sheetForm.machineId || '',
+    machineName: sheetForm.machineName || '',
+    ts: Date.now(),
+  });
 }
 
 async function applyMixingSpecPageData(row: Recordable, mode: 'edit' | 'referenceAdd') {
@@ -1141,6 +1176,7 @@ function openHistoryStepPicker() {
   setHistoryStepModalProps({ zIndex: 1500 });
   openHistoryStepModalInner(true, {
     machineId: sheetForm.machineId || '',
+    machineName: sheetForm.machineName || '',
     excludeSpecId: sheetForm.id || '',
   });
 }
@@ -1238,6 +1274,15 @@ function addDownStepRow() {
 }
 
 const [registerModal, { setModalProps, closeModal }] = useModalInner(async (data) => {
+  //update-begin---author:cursor ---date:20260615  for：【XSLMES-20260615-A03】打开主弹窗时先同步清理嵌套弹窗与表单残留-----------
+  isHistoryView.value = !!data?.isHistoryView;
+  isUpdate.value = !!data?.isUpdate;
+  showFooter.value = !!data?.showFooter && !isHistoryView.value;
+  closeNestedPickers();
+  resetSheetForm();
+  historyVersion.value = '';
+  await nextTick();
+  //update-end---author:cursor ---date:20260615  for：【XSLMES-20260615-A03】打开主弹窗时先同步清理嵌套弹窗与表单残留-----------
   await resetFields();
   resetSheetForm();
   materialData.value = [];
@@ -1248,10 +1293,7 @@ const [registerModal, { setModalProps, closeModal }] = useModalInner(async (data
   downStepData.value = [];
   tcuData.value = ensureTcuDefaultRows([]);
   await loadMixerStepOptions('');
-  isHistoryView.value = !!data?.isHistoryView;
   historyVersion.value = data?.historyVersion || '';
-  isUpdate.value = !!data?.isUpdate;
-  showFooter.value = !!data?.showFooter && !isHistoryView.value;
   await setProps({ disabled: !showFooter.value });
   setModalProps({ showOkBtn: showFooter.value, showCancelBtn: showFooter.value, confirmLoading: false });
   if (isHistoryView.value && data?.historyId) {
@@ -1346,6 +1388,7 @@ async function handleSubmit() {
   try {
     await saveOrUpdate(payload, unref(isUpdate));
     createMessage.success(unref(isUpdate) ? '编辑成功' : '新增成功');
+    handleMainModalClose();
     closeModal();
     emit('success');
   } finally {
diff --git a/jeecgboot-vue3/src/views/xslmes/mesXslMixingSpec/components/MesXslMixingSpecSelectModal.vue b/jeecgboot-vue3/src/views/xslmes/mesXslMixingSpec/components/MesXslMixingSpecSelectModal.vue
index 2507e56..a535367 100644
--- a/jeecgboot-vue3/src/views/xslmes/mesXslMixingSpec/components/MesXslMixingSpecSelectModal.vue
+++ b/jeecgboot-vue3/src/views/xslmes/mesXslMixingSpec/components/MesXslMixingSpecSelectModal.vue
@@ -94,10 +94,24 @@
     clickToRowSelect: true,
   });
 
-  async function loadMachineOptions() {
+  async function loadMachineOptions(preset?: { machineId?: string; machineName?: string }) {
     machineLoading.value = true;
     try {
       const optionMap = new Map<string, { label: string; value: string }>();
+      //update-begin---author:cursor ---date:20260615  for：【XSLMES-20260615-A02】机台下拉合并设备台账并补全预选机台名称-----------
+      const eqRaw = await equipmentList({ pageNo: 1, pageSize: 500 });
+      const eqPage = (eqRaw as Recordable)?.records != null ? eqRaw : (eqRaw as Recordable)?.result;
+      const eqRecords = ((eqPage?.records || eqPage || []) as Recordable[]).filter(Boolean);
+      eqRecords.forEach((row) => {
+        if (!row?.id) {
+          return;
+        }
+        const value = String(row.id);
+        optionMap.set(value, {
+          value,
+          label: row.equipmentName || row.equipmentCode || value,
+        });
+      });
       const raw = await mixingSpecList({ pageNo: 1, pageSize: 500 });
       const page = (raw as Recordable)?.records != null ? raw : (raw as Recordable)?.result;
       const specRecords = ((page?.records || page || []) as Recordable[]).filter(Boolean);
@@ -108,24 +122,15 @@
         const value = String(row.machineId);
         optionMap.set(value, {
           value,
-          label: row.machineName || value,
+          label: row.machineName || optionMap.get(value)?.label || value,
         });
       });
-      if (!optionMap.size) {
-        const eqRaw = await equipmentList({ pageNo: 1, pageSize: 500 });
-        const eqPage = (eqRaw as Recordable)?.records != null ? eqRaw : (eqRaw as Recordable)?.result;
-        const eqRecords = ((eqPage?.records || eqPage || []) as Recordable[]).filter(Boolean);
-        eqRecords.forEach((row) => {
-          if (!row?.id) {
-            return;
-          }
-          const value = String(row.id);
-          optionMap.set(value, {
-            value,
-            label: row.equipmentName || row.equipmentCode || value,
-          });
-        });
+      const presetId = preset?.machineId ? String(preset.machineId) : '';
+      if (presetId) {
+        const presetLabel = preset?.machineName || optionMap.get(presetId)?.label || presetId;
+        optionMap.set(presetId, { value: presetId, label: presetLabel });
       }
+      //update-end---author:cursor ---date:20260615  for：【XSLMES-20260615-A02】机台下拉合并设备台账并补全预选机台名称-----------
       machineOptions.value = Array.from(optionMap.values()).sort((a, b) =>
         a.label.localeCompare(b.label, 'zh-CN'),
       );
@@ -202,7 +207,10 @@
     referenceLoading.value = false;
     clearSelectedRowKeys?.();
     setModalProps({ confirmLoading: false });
-    await loadMachineOptions();
+    await loadMachineOptions({
+      machineId: data?.machineId || undefined,
+      machineName: data?.machineName || undefined,
+    });
     reload();
   });
 </script>
diff --git a/jeecgboot-vue3/src/views/xslmes/mesXslMixingSpec/components/MesXslMixingSpecStepHistorySelectModal.vue b/jeecgboot-vue3/src/views/xslmes/mesXslMixingSpec/components/MesXslMixingSpecStepHistorySelectModal.vue
index cec737f..de1af0f 100644
--- a/jeecgboot-vue3/src/views/xslmes/mesXslMixingSpec/components/MesXslMixingSpecStepHistorySelectModal.vue
+++ b/jeecgboot-vue3/src/views/xslmes/mesXslMixingSpec/components/MesXslMixingSpecStepHistorySelectModal.vue
@@ -93,10 +93,24 @@
     clickToRowSelect: true,
   });
 
-  async function loadMachineOptions() {
+  async function loadMachineOptions(preset?: { machineId?: string; machineName?: string }) {
     machineLoading.value = true;
     try {
       const optionMap = new Map<string, { label: string; value: string }>();
+      //update-begin---author:cursor ---date:20260615  for：【XSLMES-20260615-A02】机台下拉合并设备台账并补全预选机台名称-----------
+      const eqRaw = await equipmentList({ pageNo: 1, pageSize: 500 });
+      const eqPage = (eqRaw as Recordable)?.records != null ? eqRaw : (eqRaw as Recordable)?.result;
+      const eqRecords = ((eqPage?.records || eqPage || []) as Recordable[]).filter(Boolean);
+      eqRecords.forEach((row) => {
+        if (!row?.id) {
+          return;
+        }
+        const value = String(row.id);
+        optionMap.set(value, {
+          value,
+          label: row.equipmentName || row.equipmentCode || value,
+        });
+      });
       const raw = await mixingSpecList({ pageNo: 1, pageSize: 500 });
       const page = (raw as Recordable)?.records != null ? raw : (raw as Recordable)?.result;
       const specRecords = ((page?.records || page || []) as Recordable[]).filter(Boolean);
@@ -107,24 +121,15 @@
         const value = String(row.machineId);
         optionMap.set(value, {
           value,
-          label: row.machineName || value,
+          label: row.machineName || optionMap.get(value)?.label || value,
         });
       });
-      if (!optionMap.size) {
-        const eqRaw = await equipmentList({ pageNo: 1, pageSize: 500 });
-        const eqPage = (eqRaw as Recordable)?.records != null ? eqRaw : (eqRaw as Recordable)?.result;
-        const eqRecords = ((eqPage?.records || eqPage || []) as Recordable[]).filter(Boolean);
-        eqRecords.forEach((row) => {
-          if (!row?.id) {
-            return;
-          }
-          const value = String(row.id);
-          optionMap.set(value, {
-            value,
-            label: row.equipmentName || row.equipmentCode || value,
-          });
-        });
+      const presetId = preset?.machineId ? String(preset.machineId) : '';
+      if (presetId) {
+        const presetLabel = preset?.machineName || optionMap.get(presetId)?.label || presetId;
+        optionMap.set(presetId, { value: presetId, label: presetLabel });
       }
+      //update-end---author:cursor ---date:20260615  for：【XSLMES-20260615-A02】机台下拉合并设备台账并补全预选机台名称-----------
       machineOptions.value = Array.from(optionMap.values()).sort((a, b) =>
         a.label.localeCompare(b.label, 'zh-CN'),
       );
@@ -196,7 +201,10 @@
     selectedRow.value = null;
     clearSelectedRowKeys?.();
     setModalProps({ confirmLoading: false });
-    await loadMachineOptions();
+    await loadMachineOptions({
+      machineId: data?.machineId || undefined,
+      machineName: data?.machineName || undefined,
+    });
     reload();
   });
 </script>