diff --git a/business/model/print_bind_store.go b/business/model/print_bind_store.go
index 29351f315..ba1605378 100644
--- a/business/model/print_bind_store.go
+++ b/business/model/print_bind_store.go
@@ -15,15 +15,10 @@ type PrintBindStore struct {
 	BindStatus  int       `orm:"type(int);size(2)" json:"bind_status" db:"bind_status"`               // 绑定状态
 }
 
-func (v *PrintBindStore) TableUnique() [][]string {
-	return [][]string{
-		[]string{"StoreID"},
-	}
-}
-
 func (v *PrintBindStore) TableIndex() [][]string {
 	return [][]string{
 		[]string{"UserId", "PrintNo", "StoreID"},
 		[]string{"PrintNo", "StoreID"},
+		[]string{"StoreID"},
 	}
 }