diff --git a/model/product/model.go b/model/product/model.go
index b110a25..51ee553 100644
--- a/model/product/model.go
+++ b/model/product/model.go
@@ -37,7 +37,7 @@ type Product struct {
 	DeletedAt gorm.DeletedAt `gorm:"index"`
 
 	Name      string `gorm:"index" json:"name"`
-	Pid       string `gorm:"index:,unique,composite:product_pid_website_idx;not null" json:"pid"`
+	Pid       string `gorm:"index:,unique,composite:product_pid_website_idx;not null;index:,unique" json:"pid"`
 	Color     string `json:"color"`
 	Link      string `json:"link"`
 	Image     string `json:"image"`