diff --git a/go.mod b/go.mod
index 6e4afad65..458edc0cc 100644
--- a/go.mod
+++ b/go.mod
@@ -35,6 +35,7 @@ require (
 	filippo.io/edwards25519 v1.1.0 // indirect
 	github.com/chenzhuoyu/iasm v0.9.1 // indirect
 	github.com/fsnotify/fsnotify v1.7.0 // indirect
+	github.com/go-gormigrate/gormigrate/v2 v2.1.2 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/jackc/puddle/v2 v2.2.1 // indirect
 	github.com/jonboulle/clockwork v0.4.0 // indirect
diff --git a/go.sum b/go.sum
index 85532af65..629b0b485 100644
--- a/go.sum
+++ b/go.sum
@@ -56,6 +56,8 @@ github.com/gin-gonic/gin v1.9.1/go.mod h1:hPrL7YrpYKXt5YId3A/Tnip5kqbEAP+KLuI3SU
 github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q=
 github.com/go-co-op/gocron/v2 v2.2.9 h1:aoKosYWSSdXFLecjFWX1i8+R6V7XdZb8sB2ZKAY5Yis=
 github.com/go-co-op/gocron/v2 v2.2.9/go.mod h1:mZx3gMSlFnb97k3hRqX3+GdlG3+DUwTh6B8fnsTScXg=
+github.com/go-gormigrate/gormigrate/v2 v2.1.2 h1:F/d1hpHbRAvKezziV2CC5KUE82cVe9zTgHSBoOOZ4CY=
+github.com/go-gormigrate/gormigrate/v2 v2.1.2/go.mod h1:9nHVX6z3FCMCQPA7PThGcA55t22yKQfK/Dnsf5i7hUo=
 github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
 github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s=
 github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTMfnGwq/HNwmWNS8=
diff --git a/model/channel.go b/model/channel.go
index 7f6eb615c..6469b536d 100644
--- a/model/channel.go
+++ b/model/channel.go
@@ -11,7 +11,7 @@ import (
 type Channel struct {
 	Id                 int     `json:"id"`
 	Type               int     `json:"type" form:"type" gorm:"default:0"`
-	Key                string  `json:"key" form:"key" gorm:"type:varchar(767);not null;index"`
+	Key                string  `json:"key" form:"key" gorm:"type:text"`
 	Status             int     `json:"status" form:"status" gorm:"default:1"`
 	Name               string  `json:"name" form:"name" gorm:"index"`
 	Weight             *uint   `json:"weight" gorm:"default:1"`
diff --git a/model/main.go b/model/main.go
index a826f6e78..6e5ca2244 100644
--- a/model/main.go
+++ b/model/main.go
@@ -104,10 +104,9 @@ func InitDB() (err error) {
 			return nil
 		}
 		common.SysLog("database migration started")
-		// err = MigrateDB(DB)
-		// if err != nil {
-		// 	return err
-		// }
+
+		migration(DB)
+
 		err = db.AutoMigrate(&Channel{})
 		if err != nil {
 			return err
diff --git a/model/migrate.go b/model/migrate.go
new file mode 100644
index 000000000..148e4880a
--- /dev/null
+++ b/model/migrate.go
@@ -0,0 +1,45 @@
+package model
+
+import (
+	"one-api/common"
+
+	"github.com/go-gormigrate/gormigrate/v2"
+	"gorm.io/gorm"
+)
+
+func removeKeyIndexMigration() *gormigrate.Migration {
+	return &gormigrate.Migration{
+		ID: "202405152141",
+		Migrate: func(tx *gorm.DB) error {
+			dialect := tx.Dialector.Name()
+			if dialect == "sqlite" {
+				return nil
+			}
+
+			if !tx.Migrator().HasIndex(&Channel{}, "idx_channels_key") {
+				return nil
+			}
+
+			err := tx.Migrator().DropIndex(&Channel{}, "idx_channels_key")
+			if err != nil {
+				common.SysLog("remove idx_channels_key  Failure: " + err.Error())
+			}
+			return nil
+		},
+		Rollback: func(tx *gorm.DB) error {
+			return nil
+		},
+	}
+}
+
+func migration(db *gorm.DB) error {
+	// 如果是第一次运行 直接跳过
+	if !db.Migrator().HasTable("channels") {
+		return nil
+	}
+
+	m := gormigrate.New(db, gormigrate.DefaultOptions, []*gormigrate.Migration{
+		removeKeyIndexMigration(),
+	})
+	return m.Migrate()
+}