diff --git a/cmd/internal/controller/artistInfo_user.go b/cmd/internal/controller/artistInfo_user.go
index c109e2d..de81145 100644
--- a/cmd/internal/controller/artistInfo_user.go
+++ b/cmd/internal/controller/artistInfo_user.go
@@ -172,7 +172,7 @@ func (a *ArtistInfoUserProvider) GetUserMsg(ctx context.Context, req *artistInfo
 func (a *ArtistInfoUserProvider) BindInviteInvitedAccount(ctx context.Context, in *artistInfoUser.BindInviteInvitedAccountRequest) (res *artistInfoUser.BindInviteInvitedAccountRespond, err error) {
 	// 查询被邀请人是否存在
 	var invitedUser model.User
-	if err = db.DB.Debug().Where("invited_code = ? OR id = ?", in.InvitedCode, in.InvitedUserId).First(&invitedUser).Error; err != nil {
+	if err = db.DB.Debug().Where("BINARY invited_code = ? OR id = ?", in.InvitedCode, in.InvitedUserId).First(&invitedUser).Error; err != nil {
 		if err == gorm.ErrRecordNotFound {
 			return nil, errors.New("被邀请人不存在")
 		} else {
@@ -181,7 +181,7 @@ func (a *ArtistInfoUserProvider) BindInviteInvitedAccount(ctx context.Context, i
 	}
 	// 查询邀请人是否存在
 	var inviteUser model.User
-	if err = db.DB.Debug().Where("invited_code = ?", in.InviteCode).First(&inviteUser).Error; err != nil {
+	if err = db.DB.Debug().Where("BINARY invited_code = ?", in.InviteCode).First(&inviteUser).Error; err != nil {
 		if err == gorm.ErrRecordNotFound {
 			return nil, errors.New("邀请人不存在")
 		} else {
@@ -192,7 +192,7 @@ func (a *ArtistInfoUserProvider) BindInviteInvitedAccount(ctx context.Context, i
 	fmt.Println("被邀请人userId:", invitedUser.ID)
 	var data model.Invite
 	// 受邀请者只能绑定一个邀请人
-	if err = db.DB.Debug().Where("invited_code = ?", in.InvitedCode).Find(&data).Error; err != nil {
+	if err = db.DB.Debug().Where("BINARY invited_code = ?", in.InvitedCode).Find(&data).Error; err != nil {
 		return nil, err
 	}
 	if data.ID == 0 {
@@ -213,7 +213,7 @@ func (a *ArtistInfoUserProvider) BindInviteInvitedAccount(ctx context.Context, i
 
 	// 添加到次数统计
 	var countData model.UserInvited
-	if err = db.DB.Where("invite_code = ? AND invited_code =?", in.InviteCode, in.InvitedCode).Find(&countData).Error; err != nil {
+	if err = db.DB.Where("BINARY invite_code = ? AND BINARY invited_code = BINARY ?", in.InviteCode, in.InvitedCode).Find(&countData).Error; err != nil {
 		return nil, err
 	}
 	if countData.ID == 0 {
diff --git a/cmd/internal/dao/artistInfo_user.go b/cmd/internal/dao/artistInfo_user.go
index 283c384..49cea20 100644
--- a/cmd/internal/dao/artistInfo_user.go
+++ b/cmd/internal/dao/artistInfo_user.go
@@ -397,7 +397,7 @@ func CheckInvitedCode(req *artistInfoUser.CheckInvitedCodeRequest) (rep *artistI
 	rep = &artistInfoUser.GetUserRespond{}
 	// service := &artist.UserUpdateInfoService{}
 	var user model.User
-	if err = db.DB.First(&user, "invited_code = ?", req.InvitedCode).Error; err != nil {
+	if err = db.DB.First(&user, "invited_code invited_code = ?", req.InvitedCode).Error; err != nil {
 		zap.L().Error("get user info err", zap.Error(err))
 		return nil, err
 	}
@@ -517,7 +517,7 @@ func FindUser(req *artistInfoUser.FindUserRequest) (rep *artistInfoUser.UserInfo
 		tx = tx.Where("mgmt_artist_id = ?", req.MgmtArtistId)
 	}
 	if req.InvitedCode != "" {
-		tx = tx.Where("invited_code = ?", req.InvitedCode)
+		tx = tx.Where("BINARY invited_code = ?", req.InvitedCode)
 	}
 	if req.MgmtArtistUid != "" {
 		tx = tx.Where("mgmt_artist_uid = ?", req.MgmtArtistUid)
@@ -545,7 +545,7 @@ func FindUser(req *artistInfoUser.FindUserRequest) (rep *artistInfoUser.UserInfo
 	// var inviterCode = model.Invite{}
 	// var inviterAccount = &account.ListResponse{Data: []*account.AccountInfo{}}
 	// var inviterName string
-	// db.DB.Model(model.Invite{}).Where("invited_code = ?", data.InviteCode).First(&inviterCode)
+	// db.DB.Model(model.Invite{}).Where("BINARY invited_code = ?", data.InviteCode).First(&inviterCode)
 	// if inviterCode.InviteCode != "" {
 	// 	inviterAccount, err = service.AccountProvider.ListByIDs(context.Background(), &account.ListByIDsRequest{
 	// 		Page:           1,
@@ -613,7 +613,7 @@ func FindUserList(req *artistInfoUser.FindUsersRequest) (rep []*artistInfoUser.U
 			Preload("RealNameInfo") //.Where("sys_user.mgmt_artist_uid!=''")
 	)
 	if req.InvitedCode != "" {
-		tx = tx.Where("invited_code = ?", req.InvitedCode)
+		tx = tx.Where("BINARY invited_code = ?", req.InvitedCode)
 	}
 	if req.MgmtAccountId != 0 {
 		tx = tx.Where("mgmt_acc_id = ?", req.MgmtAccountId)
@@ -713,7 +713,7 @@ func GetViewUserList(req *artistInfoUser.FindUsersRequest) (resp []model.UserVie
 		tx = db.DB.Model(model.UserView{}).Order("created_at desc")
 	)
 	if req.InvitedCode != "" {
-		tx = tx.Where("invited_code = ?", req.InvitedCode)
+		tx = tx.Where("BINARY invited_code = ?", req.InvitedCode)
 	}
 	if req.MgmtArtistUid != "" {
 		tx = tx.Where("mgmt_artist_uid = ?", req.MgmtArtistUid)
@@ -973,7 +973,7 @@ func CheckUserLockByArtistUid(artistUid string) (err error) {
 func GetInviterInfo(inviterCode string) (result account.AccountInfo) {
 	//查找邀请关系
 	var inviteRelation = model.Invite{}
-	err := db.DB.Model(model.Invite{}).Where("invite_code = ?", inviterCode).Find(&inviteRelation).Error
+	err := db.DB.Model(model.Invite{}).Where("BINARY invite_code = ?", inviterCode).Find(&inviteRelation).Error
 	if err != nil {
 		fmt.Println("\n GetInviterInfo： 查询邀请人信息出错", err.Error())
 		return