diff --git a/furniture-3d-system/src/app/intake/non-integrated/NonIntegratedDetailClient.factory-sku.test.tsx b/furniture-3d-system/src/app/intake/non-integrated/NonIntegratedDetailClient.factory-sku.test.tsx
index 5e978f60..6c8d8e96 100644
--- a/furniture-3d-system/src/app/intake/non-integrated/NonIntegratedDetailClient.factory-sku.test.tsx
+++ b/furniture-3d-system/src/app/intake/non-integrated/NonIntegratedDetailClient.factory-sku.test.tsx
@@ -528,6 +528,147 @@ describe("NonIntegratedDetailClient factory and SKU editing", () => {
     });
   });
 
+  it("keeps basic information confirmed after a factory set count change", async () => {
+    const actor = userEvent.setup();
+    const productId = "ZWJ0218-factory-preserves-basic-confirmation";
+    const basicInfoApprovedAt = "2026-08-27T03:00:00.000Z";
+
+    saveNonIntegratedProduct(
+      createProductRecord({
+        id: productId,
+        spu: "ZWJ0218",
+        skuBatchConfirmedAt: CONFIRMED_SKU_BATCH_AT,
+        documentWorkspaceConfirmations: {
+          ...createDefaultDocumentWorkspaceConfirmations(),
+          [NON_INTEGRATED_BASIC_INFO_WORKSPACE_CATEGORY]: true,
+        },
+        documentWorkspaceApprovedAt: {
+          [NON_INTEGRATED_BASIC_INFO_WORKSPACE_CATEGORY]: basicInfoApprovedAt,
+        },
+        skuItems: [
+          createSkuItem({
+            id: "sku-factory-preserves-basic-confirmation-1",
+            skuSequence: 1,
+            model: "ZWJ0218K01",
+            skuCode: "ZWJ021801",
+            setCount: "1",
+            barcode: "ZWJ021801N396V01",
+            manufacturer: "曹县嘉欢",
+            manufacturerCode: "N396",
+            installMethod: "整装",
+            source: "sku_workbook",
+            sourceTable: "sku_workbook",
+            contentLocked: true,
+          }),
+        ],
+      }),
+    );
+
+    render(<NonIntegratedDetailClient mode="edit" productId={productId} />);
+    await actor.click(
+      screen.getByTestId("document-workspace-trigger-产品定厂"),
+    );
+
+    const factoryWorkspace = screen.getByTestId("product-factory-workspace");
+    const setCountInput =
+      within(factoryWorkspace).getByPlaceholderText("请输入套件量");
+    fireEvent.change(setCountInput, { target: { value: "2" } });
+    fireEvent.blur(setCountInput);
+
+    await waitFor(() => {
+      const savedProduct = getNonIntegratedProductById(productId);
+      expect(savedProduct?.skuItems.map((item) => item.setCount)).toEqual([
+        "2",
+        "2",
+      ]);
+      expect(
+        savedProduct?.documentWorkspaceConfirmations?.[
+          NON_INTEGRATED_BASIC_INFO_WORKSPACE_CATEGORY
+        ],
+      ).toBe(true);
+      expect(
+        savedProduct?.documentWorkspaceApprovedAt?.[
+          NON_INTEGRATED_BASIC_INFO_WORKSPACE_CATEGORY
+        ],
+      ).toBe(basicInfoApprovedAt);
+    });
+
+  });
+
+  it("keeps basic information confirmed after a factory install method change", async () => {
+    const actor = userEvent.setup();
+    const productId = "ZWJ0218-factory-install-preserves-confirmation";
+    const basicInfoApprovedAt = "2026-08-27T03:00:00.000Z";
+
+    saveNonIntegratedProduct(
+      createProductRecord({
+        id: productId,
+        spu: "ZWJ0218",
+        skuBatchConfirmedAt: CONFIRMED_SKU_BATCH_AT,
+        documentWorkspaceConfirmations: {
+          ...createDefaultDocumentWorkspaceConfirmations(),
+          [NON_INTEGRATED_BASIC_INFO_WORKSPACE_CATEGORY]: true,
+        },
+        documentWorkspaceApprovedAt: {
+          [NON_INTEGRATED_BASIC_INFO_WORKSPACE_CATEGORY]: basicInfoApprovedAt,
+        },
+        skuItems: [
+          createSkuItem({
+            id: "sku-factory-install-preserves-confirmation-1",
+            skuSequence: 1,
+            model: "ZWJ0218K01",
+            skuCode: "ZWJ021801",
+            setCount: "1",
+            barcode: "ZWJ021801N396V01",
+            manufacturer: "曹县嘉欢",
+            manufacturerCode: "N396",
+            installMethod: "整装",
+            source: "sku_workbook",
+            sourceTable: "sku_workbook",
+            contentLocked: true,
+          }),
+        ],
+      }),
+    );
+
+    render(<NonIntegratedDetailClient mode="edit" productId={productId} />);
+    await actor.click(
+      screen.getByTestId("document-workspace-trigger-产品定厂"),
+    );
+
+    const factoryWorkspace = screen.getByTestId("product-factory-workspace");
+    const installMethodSelect = within(factoryWorkspace).getByRole(
+      "combobox",
+      { name: "安装方式" },
+    );
+    await actor.click(installMethodSelect);
+    fireEvent.mouseDown(screen.getByRole("option", { name: "拆装" }));
+    await waitFor(() => expect(installMethodSelect).toHaveTextContent("拆装"));
+
+    await waitFor(() => {
+      const savedProduct = getNonIntegratedProductById(productId);
+      expect(savedProduct?.skuItems.map((item) => item.installMethod)).toEqual([
+        "拆装",
+      ]);
+      expect(
+        savedProduct?.factoryRows.map((row) => row.installMethod),
+      ).toEqual(["拆装"]);
+      expect(
+        savedProduct?.styleDetails.map((detail) => detail.installMethod),
+      ).toEqual(["拆装"]);
+      expect(
+        savedProduct?.documentWorkspaceConfirmations?.[
+          NON_INTEGRATED_BASIC_INFO_WORKSPACE_CATEGORY
+        ],
+      ).toBe(true);
+      expect(
+        savedProduct?.documentWorkspaceApprovedAt?.[
+          NON_INTEGRATED_BASIC_INFO_WORKSPACE_CATEGORY
+        ],
+      ).toBe(basicInfoApprovedAt);
+    });
+  });
+
   it("fills the first warehouse selection by SPU and keeps later warehouse changes per SKU", async () => {
     const actor = userEvent.setup();
 
diff --git a/furniture-3d-system/src/app/intake/non-integrated/useNonIntegratedFormActionControllers.ts b/furniture-3d-system/src/app/intake/non-integrated/useNonIntegratedFormActionControllers.ts
index b52c1a1a..e68adfc9 100644
--- a/furniture-3d-system/src/app/intake/non-integrated/useNonIntegratedFormActionControllers.ts
+++ b/furniture-3d-system/src/app/intake/non-integrated/useNonIntegratedFormActionControllers.ts
@@ -271,6 +271,7 @@ export function useNonIntegratedFormActionControllers({
     productFactoryModelAutofillRef: workflowState.productFactoryModelAutofillRef,
     productFactoryReopenField: workflowState.productFactoryReopenField,
     productFactoryRows: workflowRows.productFactoryRows,
+    scheduleAutoSave,
     setDocumentWorkspaceApprovedAt: documentState.setDocumentWorkspaceApprovedAt,
     setDocumentWorkspaceConfirmations:
       documentState.setDocumentWorkspaceConfirmations,
@@ -281,6 +282,9 @@ export function useNonIntegratedFormActionControllers({
     setSaveMessageType: overlayState.setSaveMessageType,
     setSkuItems: skuState.setSkuItems,
     setStyleDetails: artifactState.setStyleDetails,
+    skuBatchChangeTypes: skuState.skuBatchChangeTypes,
+    skuBatchCount: skuState.skuBatchCount,
+    skuBatchFlowNos: skuState.skuBatchFlowNos,
     supplierCodeByName: directoryOptions.supplierCodeByName,
     workflowSkuItems: seriesDerived.workflowSkuItems,
   });
diff --git a/furniture-3d-system/src/app/intake/non-integrated/useNonIntegratedWorkflowConfirmActionController.test.tsx b/furniture-3d-system/src/app/intake/non-integrated/useNonIntegratedWorkflowConfirmActionController.test.tsx
index d13c0703..b0a6c5a4 100644
--- a/furniture-3d-system/src/app/intake/non-integrated/useNonIntegratedWorkflowConfirmActionController.test.tsx
+++ b/furniture-3d-system/src/app/intake/non-integrated/useNonIntegratedWorkflowConfirmActionController.test.tsx
@@ -98,7 +98,7 @@ describe("useNonIntegratedWorkflowConfirmActionController", () => {
     );
   });
 
-  it("still blocks confirmation when the active batch itself is incomplete", async () => {
+  it("still blocks confirmation when the active batch itself is missing a required field", async () => {
     const params = createControllerParams({
       derivedSkuItems: [
         createSkuItem({
@@ -109,7 +109,7 @@ describe("useNonIntegratedWorkflowConfirmActionController", () => {
         }),
         createSkuItem({
           id: "sku-batch-2",
-          installMethod: "",
+          material: "",
         }),
       ],
     });
@@ -126,7 +126,29 @@ describe("useNonIntegratedWorkflowConfirmActionController", () => {
 
     expect(params.persistEditedProduct).not.toHaveBeenCalled();
     expect(params.setSaveMessage).toHaveBeenCalledWith(
-      "基础信息未填写完整，SKU XG001254 缺少：安装方式。请补全后再确认。",
+      "基础信息未填写完整，SKU XG001254 缺少：材质。请补全后再确认。",
+    );
+  });
+
+  it("allows the active batch to confirm without an install method", async () => {
+    const params = createControllerParams({
+      derivedSkuItems: [createSkuItem({ installMethod: "" })],
+    });
+    jest.spyOn(window, "confirm").mockReturnValue(true);
+
+    const { result } = renderHook(() =>
+      useNonIntegratedWorkflowConfirmActionController(params),
+    );
+
+    await act(async () => {
+      await result.current.handleConfirmWorkflowNode(
+        NON_INTEGRATED_BASIC_INFO_WORKSPACE_CATEGORY,
+      );
+    });
+
+    expect(params.persistEditedProduct).toHaveBeenCalledTimes(1);
+    expect(params.setSaveMessage).not.toHaveBeenCalledWith(
+      expect.stringContaining("安装方式"),
     );
   });
 });
diff --git a/furniture-3d-system/src/app/intake/non-integrated/workspaces/preview/previewState.test.ts b/furniture-3d-system/src/app/intake/non-integrated/workspaces/preview/previewState.test.ts
index 66361f89..b8a4c752 100644
--- a/furniture-3d-system/src/app/intake/non-integrated/workspaces/preview/previewState.test.ts
+++ b/furniture-3d-system/src/app/intake/non-integrated/workspaces/preview/previewState.test.ts
@@ -86,4 +86,13 @@ describe("buildSkuContentRevisionSignature", () => {
       buildSignature(createSku()),
     );
   });
+
+  it("keeps install method and set count revision-sensitive for direct basic information edits", () => {
+    expect(buildSignature(createSku({ installMethod: "整装" }))).not.toBe(
+      buildSignature(createSku()),
+    );
+    expect(buildSignature(createSku({ setCount: "2" }))).not.toBe(
+      buildSignature(createSku()),
+    );
+  });
 });
diff --git a/furniture-3d-system/src/app/intake/non-integrated/workspaces/product-factory/useProductFactoryRowController.ts b/furniture-3d-system/src/app/intake/non-integrated/workspaces/product-factory/useProductFactoryRowController.ts
index 01dd678e..9420f086 100644
--- a/furniture-3d-system/src/app/intake/non-integrated/workspaces/product-factory/useProductFactoryRowController.ts
+++ b/furniture-3d-system/src/app/intake/non-integrated/workspaces/product-factory/useProductFactoryRowController.ts
@@ -5,11 +5,12 @@ import type {
 } from "react";
 
 import type { PersistEditedProductOverrides } from "../../nonIntegratedDetailTypes";
-import type {
-  NonIntegratedDocumentWorkspaceApprovalMap,
-  NonIntegratedDocumentWorkspaceConfirmationMap,
-  NonIntegratedFactoryRow,
-  NonIntegratedSkuItem,
+import {
+  NON_INTEGRATED_BASIC_INFO_WORKSPACE_CATEGORY,
+  type NonIntegratedDocumentWorkspaceApprovalMap,
+  type NonIntegratedDocumentWorkspaceConfirmationMap,
+  type NonIntegratedFactoryRow,
+  type NonIntegratedSkuItem,
 } from "../../nonIntegratedStorage";
 import { updateStyleDetailEntry, type StyleDetailForm } from "../style-assets/styleDetailState";
 import {
@@ -32,6 +33,7 @@ import {
   updateProductFactoryRowsForSku,
 } from "./productFactoryRowUpdateHelpers";
 import { getProductFactoryTargetSkuIds } from "./productFactoryTargetSkuHelpers";
+import { buildSkuContentRevisionSignature } from "../preview/previewState";
 
 type SaveMessageType = "success" | "error";
 
@@ -71,6 +73,7 @@ type UseProductFactoryRowControllerParams = {
   >;
   productFactoryReopenField: ProductFactoryEditableKey;
   productFactoryRows: NonIntegratedFactoryRow[];
+  scheduleAutoSave: () => void;
   setDocumentWorkspaceApprovedAt: Dispatch<
     SetStateAction<NonIntegratedDocumentWorkspaceApprovalMap>
   >;
@@ -83,6 +86,9 @@ type UseProductFactoryRowControllerParams = {
   setSaveMessageType: Dispatch<SetStateAction<SaveMessageType>>;
   setSkuItems: Dispatch<SetStateAction<NonIntegratedSkuItem[]>>;
   setStyleDetails: Dispatch<SetStateAction<Record<string, StyleDetailForm>>>;
+  skuBatchChangeTypes: Record<string, string>;
+  skuBatchCount: number;
+  skuBatchFlowNos: Record<string, string>;
   supplierCodeByName: ReadonlyMap<string, string>;
   workflowSkuItems: NonIntegratedSkuItem[];
 };
@@ -106,6 +112,7 @@ export function useProductFactoryRowController({
   productFactoryModelAutofillRef,
   productFactoryReopenField,
   productFactoryRows,
+  scheduleAutoSave,
   setDocumentWorkspaceApprovedAt,
   setDocumentWorkspaceConfirmations,
   setFactoryRows,
@@ -114,9 +121,33 @@ export function useProductFactoryRowController({
   setSaveMessageType,
   setSkuItems,
   setStyleDetails,
+  skuBatchChangeTypes,
+  skuBatchCount,
+  skuBatchFlowNos,
   supplierCodeByName,
   workflowSkuItems,
 }: UseProductFactoryRowControllerParams) {
+  function setFactoryProjectedSkuItems(
+    update: (current: NonIntegratedSkuItem[]) => NonIntegratedSkuItem[],
+  ) {
+    setSkuItems((current) => {
+      const nextSkuItems = update(current);
+      if (documentWorkspaceRevisionSignatureRef.current) {
+        documentWorkspaceRevisionSignatureRef.current = {
+          ...documentWorkspaceRevisionSignatureRef.current,
+          [NON_INTEGRATED_BASIC_INFO_WORKSPACE_CATEGORY]:
+            buildSkuContentRevisionSignature({
+              skuItems: nextSkuItems,
+              skuBatchCount,
+              skuBatchFlowNos,
+              skuBatchChangeTypes,
+            }),
+        };
+      }
+      return nextSkuItems;
+    });
+  }
+
   function updateProductFactoryRow(
     skuId: string,
     key: ProductFactoryEditableKey,
@@ -135,81 +166,82 @@ export function useProductFactoryRowController({
       );
       const supplierName = supplier.name;
 
-      setSkuItems((current) => {
-        const targetSkuIds = getProductFactoryTargetSkuIds(
-          workflowSkuItems,
-          skuId,
-          key,
-        );
-        return current.map((item, index) =>
+      const targetSkuIds = getProductFactoryTargetSkuIds(
+        workflowSkuItems,
+        skuId,
+        key,
+      );
+      setFactoryProjectedSkuItems((current) =>
+        current.map((item, index) =>
           targetSkuIds.has(item.id)
             ? applySkuSupplierName(item, index, supplierName)
             : item,
-        );
-      });
+        ),
+      );
     }
 
     if (key === "setCount") {
-      setSkuItems((current) => {
-        const targetSkuIds = getProductFactoryTargetSkuIds(
-          workflowSkuItems,
-          skuId,
-          key,
-        );
-        return current.map((item) =>
+      const targetSkuIds = getProductFactoryTargetSkuIds(
+        workflowSkuItems,
+        skuId,
+        key,
+      );
+      setFactoryProjectedSkuItems((current) =>
+        current.map((item) =>
           targetSkuIds.has(item.id) ? { ...item, setCount: value } : item,
-        );
-      });
+        ),
+      );
     }
 
     if (key === "minimumOrderQuantity") {
-      setSkuItems((current) => {
-        const targetSkuIds = getProductFactoryTargetSkuIds(
-          workflowSkuItems,
-          skuId,
-          key,
-          productFactoryRows,
-          value,
-          productFactoryModelAutofillRef.current,
-        );
-        return current.map((item) =>
+      const targetSkuIds = getProductFactoryTargetSkuIds(
+        workflowSkuItems,
+        skuId,
+        key,
+        productFactoryRows,
+        value,
+        productFactoryModelAutofillRef.current,
+      );
+      setFactoryProjectedSkuItems((current) =>
+        current.map((item) =>
           targetSkuIds.has(item.id)
             ? { ...item, minimumOrderQuantity: value }
             : item,
-        );
-      });
+        ),
+      );
     }
 
     if (key === "installMethod") {
-      setSkuItems((current) => {
-        const targetSkuIds = getProductFactoryTargetSkuIds(
-          workflowSkuItems,
-          skuId,
-          key,
-        );
-        const targetStyleKeys = new Set(
-          workflowSkuItems
-            .filter((item) => targetSkuIds.has(item.id))
-            .map((item) => getStyleKeyFromModel(item.model))
-            .filter(Boolean),
-        );
+      const targetSkuIds = getProductFactoryTargetSkuIds(
+        workflowSkuItems,
+        skuId,
+        key,
+      );
+      const targetStyleKeys = new Set(
+        workflowSkuItems
+          .filter((item) => targetSkuIds.has(item.id))
+          .map((item) => getStyleKeyFromModel(item.model))
+          .filter(Boolean),
+      );
 
-        if (targetStyleKeys.size > 0) {
-          setStyleDetails((currentDetails) => {
-            let nextDetails = currentDetails;
-            targetStyleKeys.forEach((styleKey) => {
-              nextDetails = updateStyleDetailEntry(nextDetails, styleKey, {
-                installMethod: value,
-              });
+      if (targetStyleKeys.size > 0) {
+        setStyleDetails((currentDetails) => {
+          let nextDetails = currentDetails;
+          targetStyleKeys.forEach((styleKey) => {
+            nextDetails = updateStyleDetailEntry(nextDetails, styleKey, {
+              installMethod: value,
             });
-            return nextDetails;
           });
-        }
+          return nextDetails;
+        });
+      }
 
-        return current.map((item) =>
+      setFactoryProjectedSkuItems((current) =>
+        current.map((item) =>
           targetSkuIds.has(item.id) ? { ...item, installMethod: value } : item,
-        );
-      });
+        ),
+      );
+      scheduleAutoSave();
     }
 
     setFactoryRows((current) =>
@@ -238,7 +270,7 @@ export function useProductFactoryRowController({
     const supplierName = supplier.name;
 
     if (supplierName) {
-      setSkuItems((current) =>
+      setFactoryProjectedSkuItems((current) =>
         current.map((item, index) =>
           item.id === skuId
             ? applySkuSupplierName(item, index, supplierName)
@@ -390,7 +422,7 @@ export function useProductFactoryRowController({
     );
     if (currentFactoryRow?.confirmed) return;
 
-    setSkuItems((current) =>
+    setFactoryProjectedSkuItems((current) =>
       buildSkuItemsAfterSetCountCommit({
         allowImportedContentLocked: true,
         current,
diff --git a/furniture-3d-system/src/lib/open-product/basic-info-confirmation-validation.ts b/furniture-3d-system/src/lib/open-product/basic-info-confirmation-validation.ts
index 74e4f426..9dbdd5c0 100644
--- a/furniture-3d-system/src/lib/open-product/basic-info-confirmation-validation.ts
+++ b/furniture-3d-system/src/lib/open-product/basic-info-confirmation-validation.ts
@@ -11,7 +11,6 @@ type BasicInfoRequiredSkuField =
   | "versionNo"
   | "attributeCode"
   | "drawingId"
-  | "installMethod"
   | "executeStandard"
   | "nationalStandardCompliant"
   | "batchNo";
@@ -30,7 +29,6 @@ type BasicInfoConfirmationSku = {
   versionNo: string;
   attributeCode: string;
   drawingId: string;
-  installMethod: string;
   executeStandard: string;
   nationalStandardCompliant: string;
   batchNo: number;
@@ -52,7 +50,6 @@ export const BASIC_INFO_CONFIRMATION_REQUIRED_FIELDS: ReadonlyArray<{
   { key: "versionNo", label: "版本号" },
   { key: "attributeCode", label: "属性代码" },
   { key: "drawingId", label: "图纸ID" },
-  { key: "installMethod", label: "安装方式" },
   { key: "executeStandard", label: "执行标准" },
   { key: "nationalStandardCompliant", label: "符合国标" },
   { key: "batchNo", label: "创建批次" },