diff --git a/business/jxstore/cms/sku.go b/business/jxstore/cms/sku.go
index f5ab4b3dd..de33f1357 100644
--- a/business/jxstore/cms/sku.go
+++ b/business/jxstore/cms/sku.go
@@ -1110,16 +1110,16 @@ func updateOrCreateSkuVendorCategoryMap(db *dao.DaoDB, ctx *jxcontext.Context, n
 				updateOrCreate(model.VendorIDMTWM, nameID, skuNameExt.MtwmCategoryID)
 			}
 		} else {
-			if payload["jdCategoryID"].(string) != "" {
+			if payload["jdCategoryID"] != nil {
 				updateOrCreate(model.VendorIDJD, nameID, payload["jdCategoryID"].(string))
 			}
-			if payload["jdsCategoryID"].(string) != "" {
+			if payload["jdsCategoryID"] != nil {
 				updateOrCreate(model.VendorIDJDShop, nameID, payload["jdsCategoryID"].(string))
 			}
-			if payload["ebaiCategoryID"].(string) != "" {
+			if payload["ebaiCategoryID"] != nil {
 				updateOrCreate(model.VendorIDEBAI, nameID, payload["ebaiCategoryID"].(string))
 			}
-			if payload["mtwmCategoryID"].(string) != "" {
+			if payload["mtwmCategoryID"] != nil {
 				updateOrCreate(model.VendorIDMTWM, nameID, payload["mtwmCategoryID"].(string))
 			}
 		}