diff --git a/src/main/java/com/rj/controller/LbBuyerShoppingController.java b/src/main/java/com/rj/controller/LbBuyerShoppingController.java
index b8ed89e..1a79fa6 100644
--- a/src/main/java/com/rj/controller/LbBuyerShoppingController.java
+++ b/src/main/java/com/rj/controller/LbBuyerShoppingController.java
@@ -56,6 +56,9 @@ public class LbBuyerShoppingController {
             description =
                     "按 tenantId 从 lb_third_integration_config 读取 login_api_path、buyer_order_list_path 等配置，"
                             + "对每个买方手机号模拟登录获取 token，再分页调用买方订单列表 API 并解析入库；"
+                            + "拉取过程中将订单中的卖家手机号缓存到 cacheSellerPhones（已拉取过的号码不再缓存），"
+                            + "买方手机号全部处理完成后，仅对尚未拉取过的卖家手机号模拟登录、拉取订单并保存；"
+                            + "同一请求内重复手机号自动跳过，卖家阶段不再扩展缓存，避免重复拉取与死循环；"
                             + "未传 password 时默认密码为 123456")
     public ResponseEntity<Map<String, Object>> pullFromThird(
             @Parameter(description = "租户 id 与买方手机号列表", required = true)
diff --git a/src/main/java/com/rj/service/impl/LbBuyerShoppingServiceImpl.java b/src/main/java/com/rj/service/impl/LbBuyerShoppingServiceImpl.java
index 576a0a8..a3e80ba 100644
--- a/src/main/java/com/rj/service/impl/LbBuyerShoppingServiceImpl.java
+++ b/src/main/java/com/rj/service/impl/LbBuyerShoppingServiceImpl.java
@@ -27,9 +27,11 @@ import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.LinkedHashMap;
+import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
+import java.util.Set;
 
 /**
  * 买方购物表 lb_buyer_shopping 服务实现
@@ -340,16 +342,24 @@ public class LbBuyerShoppingServiceImpl
             }
             HxrUserLoginApiContext loginCtx = loginCtxOpt.get();
 
+            Set<String> cacheSellerPhones = new LinkedHashSet<>();
+            Set<String> processedMobiles = new LinkedHashSet<>();
+
             List<Map<String, Object>> items = new ArrayList<>();
             int successCount = 0;
             int failCount = 0;
+            int skippedCount = 0;
             int totalSaved = 0;
             int totalFetched = 0;
             String requestPassword = request.getPassword() != null ? request.getPassword().trim() : "";
+            String password = !requestPassword.isEmpty()
+                    ? requestPassword
+                    : DEFAULT_SIMULATE_LOGIN_PASSWORD;
 
             for (String rawMobile : request.getMobiles()) {
-                Map<String, Object> item = new LinkedHashMap<>();
-                if (rawMobile == null || rawMobile.trim().isEmpty()) {
+                String mobile = rawMobile != null ? rawMobile.trim() : "";
+                if (mobile.isEmpty()) {
+                    Map<String, Object> item = new LinkedHashMap<>();
                     item.put("mobile", rawMobile);
                     item.put("loginSuccess", false);
                     item.put("orderFetchSuccess", false);
@@ -359,69 +369,58 @@ public class LbBuyerShoppingServiceImpl
                     failCount++;
                     continue;
                 }
+                if (processedMobiles.contains(mobile)) {
+                    Map<String, Object> item = buildSkippedPullItem(mobile, "手机号已拉取，跳过重复");
+                    items.add(item);
+                    skippedCount++;
+                    continue;
+                }
+                processedMobiles.add(mobile);
 
-                String mobile = rawMobile.trim();
-                item.put("mobile", mobile);
-                String password = !requestPassword.isEmpty()
-                        ? requestPassword
-                        : DEFAULT_SIMULATE_LOGIN_PASSWORD;
-
-                try {
-                    HxrAdminUserLoginService.LoginApiResult loginResult =
-                            hxrAdminUserLoginService.login(mobile, password, loginCtx);
-                    item.put("httpStatus", loginResult.httpStatus());
-                    item.put("apiCode", loginResult.apiCode());
-                    item.put("apiMsg", loginResult.apiMsg());
-                    item.put("loginSuccess", loginResult.success());
-                    item.put("parsed", loginResult.parsed());
-
-                    if (!loginResult.success()) {
-                        item.put("orderFetchSuccess", false);
-                        failCount++;
-                        items.add(item);
-                        continue;
-                    }
-
-                    String token = HxrAdminUserLoginService.extractToken(loginResult.parsed());
-                    if (token == null || token.isBlank()) {
-                        item.put("orderFetchSuccess", false);
-                        item.put("orderFetchMsg", "响应中无 data.userinfo.token");
-                        failCount++;
-                        items.add(item);
-                        continue;
-                    }
-
-                    Optional<HxrBuyerOrderApiContext> orderCtxOpt =
-                            lbThirdIntegrationConfigService.resolveBuyerOrderApiContext(tenantId, token);
-                    if (orderCtxOpt.isEmpty()) {
-                        item.put("orderFetchSuccess", false);
-                        item.put("orderFetchMsg",
-                                "未找到买方订单 API 配置，或配置未启用、URL/凭证不完整（请检查 lb_third_integration_config）");
-                        failCount++;
-                        items.add(item);
-                        continue;
-                    }
-                    HxrBuyerOrderApiContext orderCtx = orderCtxOpt.get();
-                    item.put("buyerOrderListUrl", orderCtx.buyerOrderListBaseUrl());
-
-                    Map<String, Object> fetchResult = fetchAndSaveBuyerOrders(orderCtx, mobile);
-                    item.putAll(fetchResult);
-                    if (Boolean.TRUE.equals(fetchResult.get("orderFetchSuccess"))) {
-                        successCount++;
-                        totalSaved += toInt(fetchResult.get("ordersSaved"));
-                        totalFetched += toInt(fetchResult.get("ordersFetched"));
-                    } else {
-                        failCount++;
-                    }
-                } catch (Exception e) {
-                    log.warn("买方购物第三方拉取异常 mobile={} tenantId={}", mobile, tenantId, e);
-                    item.put("loginSuccess", false);
-                    item.put("orderFetchSuccess", false);
-                    item.put("apiCode", -1);
-                    item.put("apiMsg", "请求异常：" + e.getMessage());
+                Map<String, Object> item = pullOrdersForMobile(
+                        mobile, password, tenantId, loginCtx, cacheSellerPhones, processedMobiles);
+                items.add(item);
+                if (Boolean.TRUE.equals(item.get("orderFetchSuccess"))) {
+                    successCount++;
+                    totalSaved += toInt(item.get("ordersSaved"));
+                    totalFetched += toInt(item.get("ordersFetched"));
+                } else {
                     failCount++;
                 }
-                items.add(item);
+            }
+
+            List<String> sellerQueue = new ArrayList<>();
+            for (String sellerMobile : cacheSellerPhones) {
+                if (!processedMobiles.contains(sellerMobile)) {
+                    sellerQueue.add(sellerMobile);
+                }
+            }
+
+            List<Map<String, Object>> sellerItems = new ArrayList<>();
+            int sellerSuccessCount = 0;
+            int sellerFailCount = 0;
+            int sellerSkippedCount = 0;
+            int sellerTotalSaved = 0;
+            int sellerTotalFetched = 0;
+            for (String sellerMobile : sellerQueue) {
+                if (processedMobiles.contains(sellerMobile)) {
+                    sellerItems.add(buildSkippedPullItem(sellerMobile, "卖家手机号已拉取，跳过重复"));
+                    sellerSkippedCount++;
+                    continue;
+                }
+                processedMobiles.add(sellerMobile);
+
+                Map<String, Object> sellerItem = pullOrdersForMobile(
+                        sellerMobile, password, tenantId, loginCtx, null, processedMobiles);
+                sellerItem.put("source", "cacheSellerPhones");
+                sellerItems.add(sellerItem);
+                if (Boolean.TRUE.equals(sellerItem.get("orderFetchSuccess"))) {
+                    sellerSuccessCount++;
+                    sellerTotalSaved += toInt(sellerItem.get("ordersSaved"));
+                    sellerTotalFetched += toInt(sellerItem.get("ordersFetched"));
+                } else {
+                    sellerFailCount++;
+                }
             }
 
             result.put("success", true);
@@ -429,8 +428,18 @@ public class LbBuyerShoppingServiceImpl
             result.put("data", items);
             result.put("successCount", successCount);
             result.put("failCount", failCount);
+            result.put("skippedCount", skippedCount);
             result.put("ordersSaved", totalSaved);
             result.put("ordersFetched", totalFetched);
+            result.put("cacheSellerPhones", new ArrayList<>(cacheSellerPhones));
+            result.put("sellerQueue", sellerQueue);
+            result.put("sellerData", sellerItems);
+            result.put("sellerSuccessCount", sellerSuccessCount);
+            result.put("sellerFailCount", sellerFailCount);
+            result.put("sellerSkippedCount", sellerSkippedCount);
+            result.put("sellerOrdersSaved", sellerTotalSaved);
+            result.put("sellerOrdersFetched", sellerTotalFetched);
+            result.put("processedMobiles", new ArrayList<>(processedMobiles));
             result.put("loginApiUrl", loginCtx.loginApiUrl());
             return result;
         } catch (Exception e) {
@@ -441,7 +450,75 @@ public class LbBuyerShoppingServiceImpl
         }
     }
 
-    private Map<String, Object> fetchAndSaveBuyerOrders(HxrBuyerOrderApiContext ctx, String buyerMobile) {
+    private Map<String, Object> buildSkippedPullItem(String mobile, String reason) {
+        Map<String, Object> item = new LinkedHashMap<>();
+        item.put("mobile", mobile);
+        item.put("skipped", true);
+        item.put("skipReason", reason);
+        item.put("loginSuccess", false);
+        item.put("orderFetchSuccess", false);
+        return item;
+    }
+
+    private Map<String, Object> pullOrdersForMobile(
+            String mobile,
+            String password,
+            String tenantId,
+            HxrUserLoginApiContext loginCtx,
+            Set<String> sellerPhoneCollector,
+            Set<String> processedMobiles) {
+        Map<String, Object> item = new LinkedHashMap<>();
+        item.put("mobile", mobile);
+        try {
+            HxrAdminUserLoginService.LoginApiResult loginResult =
+                    hxrAdminUserLoginService.login(mobile, password, loginCtx);
+            item.put("httpStatus", loginResult.httpStatus());
+            item.put("apiCode", loginResult.apiCode());
+            item.put("apiMsg", loginResult.apiMsg());
+            item.put("loginSuccess", loginResult.success());
+            item.put("parsed", loginResult.parsed());
+
+            if (!loginResult.success()) {
+                item.put("orderFetchSuccess", false);
+                return item;
+            }
+
+            String token = HxrAdminUserLoginService.extractToken(loginResult.parsed());
+            if (token == null || token.isBlank()) {
+                item.put("orderFetchSuccess", false);
+                item.put("orderFetchMsg", "响应中无 data.userinfo.token");
+                return item;
+            }
+
+            Optional<HxrBuyerOrderApiContext> orderCtxOpt =
+                    lbThirdIntegrationConfigService.resolveBuyerOrderApiContext(tenantId, token);
+            if (orderCtxOpt.isEmpty()) {
+                item.put("orderFetchSuccess", false);
+                item.put("orderFetchMsg",
+                        "未找到买方订单 API 配置，或配置未启用、URL/凭证不完整（请检查 lb_third_integration_config）");
+                return item;
+            }
+            HxrBuyerOrderApiContext orderCtx = orderCtxOpt.get();
+            item.put("buyerOrderListUrl", orderCtx.buyerOrderListBaseUrl());
+
+            Map<String, Object> fetchResult =
+                    fetchAndSaveBuyerOrders(orderCtx, mobile, sellerPhoneCollector, processedMobiles);
+            item.putAll(fetchResult);
+        } catch (Exception e) {
+            log.warn("买方购物第三方拉取异常 mobile={} tenantId={}", mobile, tenantId, e);
+            item.put("loginSuccess", false);
+            item.put("orderFetchSuccess", false);
+            item.put("apiCode", -1);
+            item.put("apiMsg", "请求异常：" + e.getMessage());
+        }
+        return item;
+    }
+
+    private Map<String, Object> fetchAndSaveBuyerOrders(
+            HxrBuyerOrderApiContext ctx,
+            String loginMobile,
+            Set<String> sellerPhoneCollector,
+            Set<String> processedMobiles) {
         Map<String, Object> result = new LinkedHashMap<>();
         int page = 1;
         int totalSaved = 0;
@@ -495,8 +572,9 @@ public class LbBuyerShoppingServiceImpl
                     if (entity.getId() == null) {
                         continue;
                     }
+                    collectSellerPhone(entity, sellerPhoneCollector, processedMobiles);
                     if (entity.getBuyerMobile() == null || entity.getBuyerMobile().isBlank()) {
-                        entity.setBuyerMobile(buyerMobile);
+                        entity.setBuyerMobile(loginMobile);
                     }
                     applyDefaults(entity);
                     if (entity.getCreatedAt() == null) {
@@ -539,7 +617,7 @@ public class LbBuyerShoppingServiceImpl
             result.put("orderPages", page);
             return result;
         } catch (Exception e) {
-            log.warn("拉取买方订单异常 buyerMobile={}", buyerMobile, e);
+            log.warn("拉取买方订单异常 loginMobile={}", loginMobile, e);
             result.put("orderFetchSuccess", false);
             result.put("orderFetchMsg", "拉取买方订单异常：" + e.getMessage());
             result.put("ordersSaved", totalSaved);
@@ -791,6 +869,22 @@ public class LbBuyerShoppingServiceImpl
     private record StatAggregate(BigDecimal totalMoney, int orderCount, BigDecimal avgAmount) {
     }
 
+    private static void collectSellerPhone(
+            LbBuyerShopping entity, Set<String> collector, Set<String> processedMobiles) {
+        if (collector == null || entity == null) {
+            return;
+        }
+        String phone = entity.getSellerMobile();
+        if (phone == null || phone.isBlank()) {
+            return;
+        }
+        String trimmed = phone.trim();
+        if (processedMobiles != null && processedMobiles.contains(trimmed)) {
+            return;
+        }
+        collector.add(trimmed);
+    }
+
     private static int toInt(Object value) {
         if (value instanceof Number number) {
             return number.intValue();