diff --git a/business/jxstore/cms/sku.go b/business/jxstore/cms/sku.go
index c75624f14..c7a656c23 100644
--- a/business/jxstore/cms/sku.go
+++ b/business/jxstore/cms/sku.go
@@ -22,11 +22,11 @@ var (
 )
 
 // parentID 为-1表示所有
-func GetVendorCategories(vendorID int, parentID int) (vendorCats []*model.SkuVendorCategory, err error) {
+func GetVendorCategories(vendorID int, parentID string) (vendorCats []*model.SkuVendorCategory, err error) {
 	cond := map[string]interface{}{
 		model.FieldVendorID: vendorID,
 	}
-	if parentID != -1 {
+	if parentID != "-1" {
 		cond[model.FieldParentID] = parentID
 	}
 	return vendorCats, dao.GetEntities(nil, &vendorCats, cond, false)
diff --git a/business/model/sku.go b/business/model/sku.go
index 87e45d074..3c6c978c9 100644
--- a/business/model/sku.go
+++ b/business/model/sku.go
@@ -113,7 +113,7 @@ type SkuVendorCategory struct {
 	Name             string `orm:"size(255);index" json:"name"`
 	IsLeaf           int8   `json:"isLeaf"`
 	Level            int    `json:"level"`
-	ParentID         string `orm:"column(parent_id);size(255);index" json:"parentID"` // 父ID，引用的是VendorCategoryID而不是ID
+	ParentID         string `orm:"column(parent_id);size(48);index" json:"parentID"` // 父ID，引用的是VendorCategoryID而不是ID
 }
 
 func (*SkuVendorCategory) TableUnique() [][]string {
diff --git a/controllers/cms_sku.go b/controllers/cms_sku.go
index a45a54d92..838cc6fe4 100644
--- a/controllers/cms_sku.go
+++ b/controllers/cms_sku.go
@@ -15,15 +15,12 @@ type SkuController struct {
 // @Description 得到厂商商品类别（区别于商家SKU类别）
 // @Param	token			header		string	true	"认证token"
 // @Param	vendorID		query		int		true	"厂商ID"
-// @Param	parentID		query		int		false	"父ID，-1表示所有，缺省为-1"
+// @Param	parentID		query		string	false	"父ID，-1表示所有，缺省为空"
 // @Success 200 {object} controllers.CallResult
 // @Failure 200 {object} controllers.CallResult
 // @router /GetVendorCategories [get]
 func (c *SkuController) GetVendorCategories() {
 	c.callGetVendorCategories(func(params *tSkuGetVendorCategoriesParams) (retVal interface{}, errCode string, err error) {
-		if c.GetString("parentID") == "" {
-			params.ParentID = -1
-		}
 		retVal, err = cms.GetVendorCategories(params.VendorID, params.ParentID)
 		return retVal, "", err
 	})