diff --git a/src/content/market/batch-payload.ts b/src/content/market/batch-payload.ts
index a6268c6..f184a8b 100644
--- a/src/content/market/batch-payload.ts
+++ b/src/content/market/batch-payload.ts
@@ -5,6 +5,7 @@ export interface BatchPayload {
   authors: Array<{
     authorId: string;
     authorName: string;
+    authorUid?: string;
   }>;
   batchName: string;
   createdAt: string;
@@ -37,7 +38,8 @@ export function createBatchPayload(options: {
   return {
     authors: options.records.map((record) => ({
       authorId: record.authorId,
-      authorName: record.authorName
+      authorName: record.authorName,
+      ...(record.coreUserId ? { authorUid: record.coreUserId } : {})
     })),
     batchName,
     createdAt: options.createdAt,
diff --git a/src/content/market/dom-sync.ts b/src/content/market/dom-sync.ts
index cd7c855..6e0f176 100644
--- a/src/content/market/dom-sync.ts
+++ b/src/content/market/dom-sync.ts
@@ -70,6 +70,7 @@ type RowOrderTarget = {
 type MarketDataRow = {
   authorId: string;
   authorName: string;
+  coreUserId?: string;
   exportFields?: Record<string, string>;
   hasDirectRatesSource: boolean;
   location?: string;
@@ -1341,6 +1342,7 @@ function readSerializedMarketRows(
         return {
           authorId: readString(record.authorId) ?? "",
           authorName: readString(record.authorName) ?? "",
+          coreUserId: readString(record.coreUserId) ?? undefined,
           exportFields: readSerializedExportFields(record),
           hasDirectRatesSource: Boolean(singleVideoAfterSearchRate),
           location: readString(record.location) ?? undefined,
@@ -1662,6 +1664,7 @@ function mergeMarketDataRows(
   return {
     authorId: preferredRow.authorId || baseRow.authorId,
     authorName: preferredRow.authorName || baseRow.authorName,
+    coreUserId: mergeNonEmptyString(baseRow.coreUserId, preferredRow.coreUserId),
     exportFields: mergeExportFieldMaps(baseRow.exportFields, preferredRow.exportFields),
     hasDirectRatesSource:
       preferredRow.hasDirectRatesSource || baseRow.hasDirectRatesSource,
diff --git a/src/content/market/export-range-controller.ts b/src/content/market/export-range-controller.ts
index 9221399..abf0e0b 100644
--- a/src/content/market/export-range-controller.ts
+++ b/src/content/market/export-range-controller.ts
@@ -222,6 +222,7 @@ function mergeMarketRecord(
     ...existingRecord,
     ...incomingRecord,
     authorName: mergeStringValue(existingRecord.authorName, incomingRecord.authorName) ?? "",
+    coreUserId: mergeStringValue(existingRecord.coreUserId, incomingRecord.coreUserId),
     exportFields: mergeFieldMap(
       existingRecord.exportFields,
       incomingRecord.exportFields
diff --git a/src/content/market/index.ts b/src/content/market/index.ts
index cbb0340..9ef4d49 100644
--- a/src/content/market/index.ts
+++ b/src/content/market/index.ts
@@ -707,6 +707,10 @@ export function createMarketController(options: CreateMarketControllerOptions) {
     const existingRecord = resultStore.getRecord(rowSnapshot.authorId);
     const authorName =
       mergeStringValue(existingRecord?.authorName, rowSnapshot.authorName) ?? "";
+    const coreUserId = mergeStringValue(
+      existingRecord?.coreUserId,
+      rowSnapshot.coreUserId
+    );
     const location = mergeStringValue(existingRecord?.location, rowSnapshot.location);
     const price21To60s = mergeStringValue(
       existingRecord?.price21To60s,
@@ -721,6 +725,7 @@ export function createMarketController(options: CreateMarketControllerOptions) {
         rowSnapshot.backendMetrics
       ),
       backendMetricsStatus: existingRecord?.backendMetricsStatus ?? "idle",
+      coreUserId,
       exportFields: withExportFieldFallbacks(
         mergeFieldMap(existingRecord?.exportFields, rowSnapshot.exportFields),
         {
diff --git a/src/content/market/market-list-row.ts b/src/content/market/market-list-row.ts
index 6713e73..468ac6f 100644
--- a/src/content/market/market-list-row.ts
+++ b/src/content/market/market-list-row.ts
@@ -57,6 +57,9 @@ export function mapMarketListRow(
       readString(readMarketFieldValue(row, attributeDatas, "nickname")) ??
       readString(readMarketFieldValue(row, attributeDatas, "nick_name")) ??
       "",
+    coreUserId:
+      readString(readMarketFieldValue(row, attributeDatas, "core_user_id")) ??
+      undefined,
     exportFields: buildMarketExportFieldFallbacks(row, attributeDatas),
     hasDirectRatesSource: true,
     location: readMarketLocation(row, attributeDatas),
diff --git a/src/content/market/page-bridge.ts b/src/content/market/page-bridge.ts
index b8495ce..bfbd073 100644
--- a/src/content/market/page-bridge.ts
+++ b/src/content/market/page-bridge.ts
@@ -205,6 +205,7 @@ function readSerializedMarketRows() {
           readString(row.star_id) ?? readString(attributeDatas.id) ?? "",
         authorName:
           readString(attributeDatas.nickname) ?? readString(row.nick_name) ?? "",
+        coreUserId: readString(attributeDatas.core_user_id) ?? undefined,
         singleVideoAfterSearchRate
       };
     })
diff --git a/src/content/market/result-store.ts b/src/content/market/result-store.ts
index dcb7fc4..de7829f 100644
--- a/src/content/market/result-store.ts
+++ b/src/content/market/result-store.ts
@@ -61,6 +61,10 @@ export function createMarketResultStore() {
         existingRecord.authorName =
           mergeStringValue(existingRecord.authorName, row.authorName) ??
           existingRecord.authorName;
+        existingRecord.coreUserId = mergeStringValue(
+          existingRecord.coreUserId,
+          row.coreUserId
+        );
         existingRecord.location = mergeStringValue(
           existingRecord.location,
           row.location
diff --git a/src/content/market/silent-export-controller.ts b/src/content/market/silent-export-controller.ts
index 76480ea..526584e 100644
--- a/src/content/market/silent-export-controller.ts
+++ b/src/content/market/silent-export-controller.ts
@@ -350,6 +350,7 @@ function mergeMarketRecord(
     ...existingRecord,
     ...incomingRecord,
     authorName: mergeStringValue(existingRecord.authorName, incomingRecord.authorName) ?? "",
+    coreUserId: mergeStringValue(existingRecord.coreUserId, incomingRecord.coreUserId),
     exportFields: mergeFieldMap(
       existingRecord.exportFields,
       incomingRecord.exportFields
diff --git a/src/content/market/types.ts b/src/content/market/types.ts
index f496f37..0f20524 100644
--- a/src/content/market/types.ts
+++ b/src/content/market/types.ts
@@ -22,6 +22,7 @@ export interface MarketRowSnapshot {
   authorId: string;
   authorName: string;
   backendMetrics?: BackendMetrics;
+  coreUserId?: string;
   exportFields?: Record<string, string>;
   hasDirectRatesSource?: boolean;
   location?: string;
diff --git a/src/shared/batch-submit-config.ts b/src/shared/batch-submit-config.ts
index 35bc736..aa7dd80 100644
--- a/src/shared/batch-submit-config.ts
+++ b/src/shared/batch-submit-config.ts
@@ -1 +1 @@
-export const DEFAULT_BATCH_SUBMIT_BASE_URL = "http://192.168.31.21:8083";
+export const DEFAULT_BATCH_SUBMIT_BASE_URL = "http://localhost:8083";
diff --git a/tests/batch-payload.test.ts b/tests/batch-payload.test.ts
index 22ab26b..5a652cc 100644
--- a/tests/batch-payload.test.ts
+++ b/tests/batch-payload.test.ts
@@ -16,14 +16,19 @@ describe("batch-payload", () => {
       batchName: "618达人筛选第一批",
       createdAt: "2026-04-22T12:30:00.000Z",
       records: [
-        { authorId: "111", authorName: "达人A", status: "success" },
+        {
+          authorId: "111",
+          authorName: "达人A",
+          coreUserId: "core-111",
+          status: "success"
+        },
         { authorId: "222", authorName: "达人B", status: "success" }
       ]
     });
 
     expect(payload).toEqual({
       authors: [
-        { authorId: "111", authorName: "达人A" },
+        { authorId: "111", authorName: "达人A", authorUid: "core-111" },
         { authorId: "222", authorName: "达人B" }
       ],
       batchName: "618达人筛选第一批",
diff --git a/tests/silent-export-controller.test.ts b/tests/silent-export-controller.test.ts
index c6e9655..bef6b75 100644
--- a/tests/silent-export-controller.test.ts
+++ b/tests/silent-export-controller.test.ts
@@ -50,6 +50,7 @@ describe("silent-export-controller", () => {
             authors: [
               {
                 attribute_datas: {
+                  core_user_id: `core-${pageNo}`,
                   nickname: `达人${pageNo}`,
                   price_20_60: pageNo * 1000
                 },
@@ -93,6 +94,10 @@ describe("silent-export-controller", () => {
       }
     ]);
     expect(records?.map((record) => record.authorId)).toEqual(["2", "3"]);
+    expect(records?.map((record) => record.coreUserId)).toEqual([
+      "core-2",
+      "core-3"
+    ]);
   });
 
   test("replays paged exports when the page number is nested inside the request body", async () => {