diff --git a/business/model/user.go b/business/model/user.go
index 9e9a6bfba..e9a0819a3 100644
--- a/business/model/user.go
+++ b/business/model/user.go
@@ -204,6 +204,12 @@ type UserMember struct {
 	EndAt        time.Time `json:"endAt"`                                 //会员过期时间
 }
 
+func (*UserMember) TableUnique() [][]string {
+	return [][]string{
+		[]string{"UserID", "MemberType"},
+	}
+}
+
 func (v *UserMember) TableIndex() [][]string {
 	return [][]string{
 		[]string{"UserID"},