diff --git a/internal/setup/sql_upgrade.go b/internal/setup/sql_upgrade.go
index a4a2707f..2de883c1 100644
--- a/internal/setup/sql_upgrade.go
+++ b/internal/setup/sql_upgrade.go
@@ -17,6 +17,7 @@ import (
 	"github.com/iwind/TeaGo/rands"
 	"github.com/iwind/TeaGo/types"
 	stringutil "github.com/iwind/TeaGo/utils/string"
+	"strings"
 )
 
 type upgradeVersion struct {
@@ -91,6 +92,9 @@ var upgradeFuncs = []*upgradeVersion{
 	{
 		"0.5.8", upgradeV0_5_8,
 	},
+	{
+		"1.2.1", upgradeV1_2_1,
+	},
 }
 
 // UpgradeSQLData 升级SQL数据
@@ -719,3 +723,32 @@ func upgradeV0_4_11(db *dbs.DB) error {
 
 	return nil
 }
+
+// v1.2.1
+func upgradeV1_2_1(db *dbs.DB) error {
+	// upgrade generated USER-xxx in old versions
+	ones, _, err := db.FindOnes("SELECT id, username, clusterId FROM edgeUsers WHERE username LIKE 'USER-%'")
+	if err != nil {
+		return err
+	}
+	for _, one := range ones {
+		var userId = one.GetInt64("id")
+		var clusterId = one.GetInt64("clusterId")
+		var username = one.GetString("username")
+		if clusterId <= 0 {
+			defaultClusterIdValue, err := db.FindCol(0, "SELECT id FROM edgeNodeClusters WHERE state=1 ORDER BY id ASC LIMIT 1")
+			if err != nil {
+				return err
+			}
+
+			var defaultClusterId = types.Int64(defaultClusterIdValue)
+			if defaultClusterId > 0 {
+				_, err = db.Exec("UPDATE edgeUsers SET username=?, clusterId=? WHERE id=?", strings.ReplaceAll(username, "-", "_"), defaultClusterId, userId)
+				if err != nil {
+					return err
+				}
+			}
+		}
+	}
+	return nil
+}
diff --git a/internal/setup/sql_upgrade_test.go b/internal/setup/sql_upgrade_test.go
index 462decc6..24122c52 100644
--- a/internal/setup/sql_upgrade_test.go
+++ b/internal/setup/sql_upgrade_test.go
@@ -252,3 +252,23 @@ func TestUpgradeSQLData_v0_5_3(t *testing.T) {
 	t.Log("ok")
 }
 
+func TestUpgradeSQLData_v1_2_1(t *testing.T) {
+	db, err := dbs.NewInstanceFromConfig(&dbs.DBConfig{
+		Driver: "mysql",
+		Dsn:    "root:123456@tcp(127.0.0.1:3306)/db_edge?charset=utf8mb4&timeout=30s",
+		Prefix: "edge",
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer func() {
+		_ = db.Close()
+	}()
+	err = upgradeV1_2_1(db)
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("ok")
+}
+
+