diff --git a/mall-common/src/main/java/com/suisung/mall/common/modules/order/ShopOrderItem.java b/mall-common/src/main/java/com/suisung/mall/common/modules/order/ShopOrderItem.java
index 2390e7d5..850aa92d 100644
--- a/mall-common/src/main/java/com/suisung/mall/common/modules/order/ShopOrderItem.java
+++ b/mall-common/src/main/java/com/suisung/mall/common/modules/order/ShopOrderItem.java
@@ -161,7 +161,7 @@ public class ShopOrderItem implements Serializable {
     private Integer order_item_saler_id;
 
     @ApiModelProperty(value = "分销商品编号")
-    private Long item_src_id;
+    private String item_src_id;
 
     @ApiModelProperty(value = "拆单同步状态")
     private Integer order_item_supplier_sync;
diff --git a/mall-common/src/main/java/com/suisung/mall/common/modules/product/ShopProductItem.java b/mall-common/src/main/java/com/suisung/mall/common/modules/product/ShopProductItem.java
index 92593241..7fe99bc0 100644
--- a/mall-common/src/main/java/com/suisung/mall/common/modules/product/ShopProductItem.java
+++ b/mall-common/src/main/java/com/suisung/mall/common/modules/product/ShopProductItem.java
@@ -126,7 +126,7 @@ public class ShopProductItem implements Serializable {
     private Integer item_freetime;
 
     @ApiModelProperty(value = "供应商SKU编号")
-    private Long item_src_id;
+    private String item_src_id;
 
     @ApiModelProperty(value = "商品分类")
     private Integer category_id;
diff --git a/mall-shop/src/main/java/com/suisung/mall/shop/order/service/impl/ShopOrderBaseServiceImpl.java b/mall-shop/src/main/java/com/suisung/mall/shop/order/service/impl/ShopOrderBaseServiceImpl.java
index b8c6838b..fe1c5dee 100644
--- a/mall-shop/src/main/java/com/suisung/mall/shop/order/service/impl/ShopOrderBaseServiceImpl.java
+++ b/mall-shop/src/main/java/com/suisung/mall/shop/order/service/impl/ShopOrderBaseServiceImpl.java
@@ -2596,8 +2596,8 @@ public class ShopOrderBaseServiceImpl extends BaseServiceImpl<ShopOrderBaseMappe
 
                             Map tmp_filter_order_item = null;
                             for (Map filter_order_item : filter_order_item_list) {
-                                Long item_src_id = Convert.toLong(filter_order_item.get("item_src_id"));
-                                Long _item_src_id = Convert.toLong(order_item.get("item_src_id"));
+                                String item_src_id = Convert.toStr(filter_order_item.get("item_src_id"));
+                                String _item_src_id = Convert.toStr(order_item.get("item_src_id"));
                                 if (item_src_id != null && ObjectUtil.equal(item_src_id, _item_src_id)) {
                                     tmp_filter_order_item = filter_order_item;
                                     break;
@@ -3158,7 +3158,7 @@ public class ShopOrderBaseServiceImpl extends BaseServiceImpl<ShopOrderBaseMappe
                 shopStoreAnalyticsService.edit(analytics);
 
                 Integer order_item_inventory_lock = order_item_row.getOrder_item_inventory_lock();
-                Long item_src_id = order_item_row.getItem_src_id();
+                String item_src_id = order_item_row.getItem_src_id();
                 if (ObjectUtil.equal(1002, order_item_inventory_lock) && CheckUtil.isEmpty(item_src_id)) {
                     Long item_id = order_item_row.getItem_id();
                     if (shopProductItemService.lockSkuStock(item_id, order_item_row.getOrder_item_quantity()) <= 0) {
@@ -4911,7 +4911,7 @@ public class ShopOrderBaseServiceImpl extends BaseServiceImpl<ShopOrderBaseMappe
                 List<ShopProductItem> product_item_rows = shopProductItemService.find(productItemQueryWrapper);
 
                 for (ShopProductItem product_item_row : product_item_rows) {
-                    Long item_src_id = product_item_row.getItem_src_id();
+                    String item_src_id = product_item_row.getItem_src_id();
                     Optional<ShopOrderItem> orderItemOpl = order_item_rows.stream().filter(s -> ObjectUtil.equal(s.getItem_id(), item_src_id)).findFirst();
                     if (orderItemOpl.isPresent()) {
                         ShopOrderItem shopOrderItem = orderItemOpl.get();
@@ -5548,7 +5548,7 @@ public class ShopOrderBaseServiceImpl extends BaseServiceImpl<ShopOrderBaseMappe
                         // end  剔除已出库/发货的商品
                     }
 
-                    List<Long> item_src_ids = order_item_rows.stream().map(s -> s.getItem_src_id()).distinct().collect(Collectors.toList());
+                    List<String> item_src_ids = order_item_rows.stream().map(s -> s.getItem_src_id()).distinct().collect(Collectors.toList());
                     if (CollUtil.isNotEmpty(item_src_ids)) {
 
                         List item_rows = new ArrayList();
@@ -5580,7 +5580,7 @@ public class ShopOrderBaseServiceImpl extends BaseServiceImpl<ShopOrderBaseMappe
                         }
 
                         for (ShopOrderItem item_row : order_item_rows) {
-                            Long item_src_id = item_row.getItem_src_id();
+                            String item_src_id = item_row.getItem_src_id();
                             if (CheckUtil.isNotEmpty(item_src_id)) {
                                 HashMap tmp = new HashMap();
                                 tmp.put("item_id", item_row.getItem_src_id());
@@ -6613,9 +6613,9 @@ public class ShopOrderBaseServiceImpl extends BaseServiceImpl<ShopOrderBaseMappe
                             Long product_id = Convert.toLong(_item.get("product_id"));
                             Long item_id = Convert.toLong(_item.get("item_id"));
 
-                            Long item_src_id = Convert.toLong(_item.get("item_src_id")); // 商品 SKU id
+                            String item_src_id = Convert.toStr(_item.get("item_src_id")); // 商品 SKU id
                             if (CheckUtil.isEmpty(item_src_id)) {
-                                item_src_id = item_id;
+                                item_src_id = String.valueOf(item_id);
                             }
 
                             String product_item_name = (String) _item.get("product_item_name");
@@ -7069,7 +7069,7 @@ public class ShopOrderBaseServiceImpl extends BaseServiceImpl<ShopOrderBaseMappe
 
                                     Long pulse_product_id = (Long) pulse.get("product_id");
                                     Long pulse_item_id = (Long) pulse.get("item_id");
-                                    Long pulse_item_src_id = (Long) pulse.get("item_src_id");
+                                    String pulse_item_src_id = (String) pulse.get("item_src_id");
                                     Integer pulse_category_id = (Integer) pulse.get("category_id");
                                     String pulse_product_item_name = (String) pulse.get("product_item_name");
                                     String pulse_cart_file = (String) pulse.get("cart_file");
diff --git a/mall-shop/src/main/java/com/suisung/mall/shop/order/service/impl/ShopOrderReturnServiceImpl.java b/mall-shop/src/main/java/com/suisung/mall/shop/order/service/impl/ShopOrderReturnServiceImpl.java
index 628329d8..b309ebf6 100644
--- a/mall-shop/src/main/java/com/suisung/mall/shop/order/service/impl/ShopOrderReturnServiceImpl.java
+++ b/mall-shop/src/main/java/com/suisung/mall/shop/order/service/impl/ShopOrderReturnServiceImpl.java
@@ -2134,7 +2134,7 @@ public class ShopOrderReturnServiceImpl extends BaseServiceImpl<ShopOrderReturnM
             if (shopOrderItem == null) {
                 throw new ApiException(I18nUtil._("源订单商品信息不存在！"));
             }
-            Long itemSrcId = shopOrderItem.getItem_src_id();
+            String itemSrcId = shopOrderItem.getItem_src_id();
             QueryWrapper<ShopOrderItem> orderItemQueryWrapper = new QueryWrapper<>();
             orderItemQueryWrapper.eq("item_id", itemSrcId);
             orderItemQueryWrapper.eq("src_order_id", order_id);
diff --git a/mall-shop/src/main/java/com/suisung/mall/shop/product/service/impl/ShopProductBaseServiceImpl.java b/mall-shop/src/main/java/com/suisung/mall/shop/product/service/impl/ShopProductBaseServiceImpl.java
index 5360a881..e03fe269 100644
--- a/mall-shop/src/main/java/com/suisung/mall/shop/product/service/impl/ShopProductBaseServiceImpl.java
+++ b/mall-shop/src/main/java/com/suisung/mall/shop/product/service/impl/ShopProductBaseServiceImpl.java
@@ -502,6 +502,7 @@ public class ShopProductBaseServiceImpl extends BaseServiceImpl<ShopProductBaseM
                 BigDecimal item_sales_rate = Convert.toBigDecimal(productItemMap.get("item_sales_rate"));
 
                 if (item_id != null) item.setItem_id(item_id);
+                item.setItem_src_id(String.valueOf(item_id));
                 item.setItem_number(item_number);
                 item.setItem_enable(item_enable);
                 item.setItem_barcode(item_barcode);
@@ -1311,7 +1312,7 @@ public class ShopProductBaseServiceImpl extends BaseServiceImpl<ShopProductBaseM
         if (CollUtil.isNotEmpty($product_item_rows)) {
             for (ShopProductItem $product_item_row : $product_item_rows) {
                 if (dist_copy) {
-                    $product_item_row.setItem_src_id($product_item_row.getItem_id());
+                    $product_item_row.setItem_src_id(String.valueOf($product_item_row.getItem_id()));
                 }
 
                 $product_item_row.setItem_cost_price($product_item_row.getItem_unit_price());
@@ -4682,12 +4683,12 @@ public class ShopProductBaseServiceImpl extends BaseServiceImpl<ShopProductBaseM
             throw new ApiException(I18nUtil._("产品Item集合为空!"));
         }
 
-        Map<Long, ShopProductItem> oneProductItemMap = oneProductItems.stream().collect(Collectors.toMap(ShopProductItem::getItem_src_id, ShopProductItem -> ShopProductItem, (k1, k2) -> k1));
+        Map<String, ShopProductItem> oneProductItemMap = oneProductItems.stream().collect(Collectors.toMap(ShopProductItem::getItem_src_id, ShopProductItem -> ShopProductItem, (k1, k2) -> k1));
 
         if ($productItemMap.size() != oneProductItemMap.size()) {
             putDown = true;
         } else {
-            for (Long item_src_id : oneProductItemMap.keySet()) {
+            for (String item_src_id : oneProductItemMap.keySet()) {
                 ShopProductItem $productItem = $productItemMap.get(item_src_id);
 
                 if ($productItem == null) {
@@ -4877,9 +4878,9 @@ public class ShopProductBaseServiceImpl extends BaseServiceImpl<ShopProductBaseM
                 throw new ApiException(I18nUtil._("产品Item集合为空!"));
             }
 
-            Map<Long, ShopProductItem> productItemMap = shopProductItems.stream().collect(Collectors.toMap(ShopProductItem::getItem_src_id, ShopProductItem -> ShopProductItem, (k1, k2) -> k1));
+            Map<String, ShopProductItem> productItemMap = shopProductItems.stream().collect(Collectors.toMap(ShopProductItem::getItem_src_id, ShopProductItem -> ShopProductItem, (k1, k2) -> k1));
 
-            for (Long item_src_id : productItemMap.keySet()) {
+            for (String item_src_id : productItemMap.keySet()) {
                 ShopProductItem $productItem = $productItemMap.get(item_src_id);
 
                 if ($productItem == null) {
@@ -4897,7 +4898,7 @@ public class ShopProductBaseServiceImpl extends BaseServiceImpl<ShopProductBaseM
                     newProductItem.setVersion(productItem.getVersion());
                 }
 
-                newProductItem.setItem_src_id(newProductItem.getItem_id());
+                newProductItem.setItem_src_id(String.valueOf(newProductItem.getItem_id()));
                 newProductItem.setItem_cost_price(newProductItem.getItem_unit_price());
                 newProductItem.setStore_id(store_id);
                 newProductItem.setProduct_id(product_id);
diff --git a/mall-shop/src/main/java/com/suisung/mall/shop/product/service/impl/ShopProductItemServiceImpl.java b/mall-shop/src/main/java/com/suisung/mall/shop/product/service/impl/ShopProductItemServiceImpl.java
index f09a11ab..7fdc3d39 100644
--- a/mall-shop/src/main/java/com/suisung/mall/shop/product/service/impl/ShopProductItemServiceImpl.java
+++ b/mall-shop/src/main/java/com/suisung/mall/shop/product/service/impl/ShopProductItemServiceImpl.java
@@ -2014,7 +2014,7 @@ public class ShopProductItemServiceImpl extends BaseServiceImpl<ShopProductItemM
         List<ShopProductItem> item_src_rows = new ArrayList<>();
         Boolean supplier_market_enable = accountBaseConfigService.getConfig("supplier_market_enable", false);
         if (supplier_market_enable) {
-            List<Long> item_src_ids = itemList.stream().map(ShopProductItem::getItem_src_id).distinct().collect(Collectors.toList());
+            List<String> item_src_ids = itemList.stream().map(ShopProductItem::getItem_src_id).distinct().collect(Collectors.toList());
             if (CollUtil.isNotEmpty(item_src_ids)) {
                 item_src_rows = gets(CollUtil.join(item_src_ids, ","));
             }
@@ -2126,7 +2126,7 @@ public class ShopProductItemServiceImpl extends BaseServiceImpl<ShopProductItemM
                 item_row.put("item_market_price", NumberUtil.mul(item_market_price, currency_exchange_rate));
 
                 // 修正为供应商库存
-                Long item_src_id = Convert.toLong(item_row.get("item_src_id"));
+                String item_src_id = Convert.toStr(item_row.get("item_src_id"));
                 Optional<ShopProductItem> itemOpl = item_src_rows.stream().filter(s -> ObjectUtil.equal(item_src_id, s.getItem_id())).findFirst();
 
                 if (itemOpl.isPresent() && CheckUtil.isNotEmpty(item_src_id)) {
diff --git a/mall-shop/src/main/java/com/suisung/mall/shop/sync/service/impl/SyncBaseThirdSxAbstract.java b/mall-shop/src/main/java/com/suisung/mall/shop/sync/service/impl/SyncBaseThirdSxAbstract.java
index 16714710..9e369583 100644
--- a/mall-shop/src/main/java/com/suisung/mall/shop/sync/service/impl/SyncBaseThirdSxAbstract.java
+++ b/mall-shop/src/main/java/com/suisung/mall/shop/sync/service/impl/SyncBaseThirdSxAbstract.java
@@ -788,7 +788,7 @@ public abstract class SyncBaseThirdSxAbstract{
             ShopProductItem shopProductItem = new ShopProductItem();
             shopProductItem.setStore_id(storeIdInt);
             shopProductItem.setCategory_id(categoryId);
-            shopProductItem.setItem_src_id(jsonObj.getLong("product_number"));
+            shopProductItem.setItem_src_id(jsonObj.getStr("product_number"));
             //零售价
             shopProductItem.setItem_unit_price(BigDecimal.valueOf(jsonObj.getDouble("retail_price")));
             shopProductItem.setItem_advice_price(BigDecimal.valueOf(jsonObj.getDouble("retail_price")));
diff --git a/sql/shop/dev/20250704_ddl.sql b/sql/shop/dev/20250704_ddl.sql
new file mode 100644
index 00000000..cf9d1f9f
--- /dev/null
+++ b/sql/shop/dev/20250704_ddl.sql
@@ -0,0 +1 @@
+alter table shop_product_item modify `item_src_id` varchar(50) NOT NULL DEFAULT '0' COMMENT '供应商SKU编号';
\ No newline at end of file