diff --git a/business/partner/purchase/ebai/store_sku2.go b/business/partner/purchase/ebai/store_sku2.go
index df5508141..ec7e619d8 100644
--- a/business/partner/purchase/ebai/store_sku2.go
+++ b/business/partner/purchase/ebai/store_sku2.go
@@ -305,7 +305,7 @@ func jxCatSeq2Ebai(seq int) int {
 }
 
 func formatCatName(name string) string {
-	return name
+	return utils.LimitUTF8StringLen(name, ebaiapi.MaxCategoryNameLen)
 }
 
 func (p *PurchaseHandler) GetStoreSkusFullInfo(ctx *jxcontext.Context, parentTask tasksch.ITask, storeID int, vendorStoreID string, storeSkuList []*partner.StoreSkuInfo) (skuNameList []*partner.SkuNameInfo, err error) {