diff --git a/cmd/command.go b/cmd/command.go
index e74cd636..3404ddfc 100644
--- a/cmd/command.go
+++ b/cmd/command.go
@@ -114,7 +114,7 @@ To run answer, use:
 				fmt.Println("read config failed: ", err.Error())
 				return
 			}
-			if err = migrations.Migrate(c.Data.Database, c.Data.Cache, upgradeVersion); err != nil {
+			if err = migrations.Migrate(c.Debug, c.Data.Database, c.Data.Cache, upgradeVersion); err != nil {
 				fmt.Println("migrate failed: ", err.Error())
 				return
 			}
diff --git a/internal/entity/revision_entity.go b/internal/entity/revision_entity.go
index 34edc7f8..584a823e 100644
--- a/internal/entity/revision_entity.go
+++ b/internal/entity/revision_entity.go
@@ -24,7 +24,7 @@ type Revision struct {
 	ObjectType   int       `xorm:"not null default 0 INT(11) object_type"`
 	ObjectID     string    `xorm:"not null default 0 BIGINT(20) INDEX object_id"`
 	Title        string    `xorm:"not null default '' VARCHAR(255) title"`
-	Content      string    `xorm:"not null TEXT content"`
+	Content      string    `xorm:"not null MEDIUMTEXT content"`
 	Log          string    `xorm:"VARCHAR(255) log"`
 	Status       int       `xorm:"not null default 1 INT(11) status"`
 	ReviewUserID int64     `xorm:"not null default 0 BIGINT(20) review_user_id"`
diff --git a/internal/migrations/migrations.go b/internal/migrations/migrations.go
index 357aa786..ecfff1b7 100644
--- a/internal/migrations/migrations.go
+++ b/internal/migrations/migrations.go
@@ -70,6 +70,7 @@ var migrations = []Migration{
 	NewMigration("v1.1.0-beta.1", "update user pin hide features", updateRolePinAndHideFeatures, true),
 	NewMigration("v1.1.0-beta.2", "update question post time", updateQuestionPostTime, true),
 	NewMigration("v1.1.0", "add gravatar base url", updateCount, true),
+	NewMigration("v1.1.1", "update the length of revision content", updateTheLengthOfRevisionContent, false),
 }
 
 func GetMigrations() []Migration {
@@ -103,12 +104,12 @@ func ExpectedVersion() int64 {
 }
 
 // Migrate database to current version
-func Migrate(dbConf *data.Database, cacheConf *data.CacheConf, upgradeToSpecificVersion string) error {
+func Migrate(debug bool, dbConf *data.Database, cacheConf *data.CacheConf, upgradeToSpecificVersion string) error {
 	cache, cacheCleanup, err := data.NewCache(cacheConf)
 	if err != nil {
 		fmt.Println("new check failed:", err.Error())
 	}
-	engine, err := data.NewDB(false, dbConf)
+	engine, err := data.NewDB(debug, dbConf)
 	if err != nil {
 		fmt.Println("new database failed: ", err.Error())
 		return err
diff --git a/internal/migrations/v14.go b/internal/migrations/v14.go
new file mode 100644
index 00000000..e9f960b4
--- /dev/null
+++ b/internal/migrations/v14.go
@@ -0,0 +1,35 @@
+package migrations
+
+import (
+	"context"
+	"time"
+	"xorm.io/xorm/schemas"
+
+	"xorm.io/xorm"
+)
+
+func updateTheLengthOfRevisionContent(ctx context.Context, x *xorm.Engine) (err error) {
+	sess := x.Context(ctx)
+	if x.Dialect().URI().DBType == schemas.MYSQL {
+		_, err = sess.Exec("ALTER TABLE `revision` CHANGE `content` `content` MEDIUMTEXT NOT NULL;")
+	}
+	return err
+}
+
+type RevisionV14 struct {
+	ID           string    `xorm:"not null pk autoincr BIGINT(20) id"`
+	CreatedAt    time.Time `xorm:"created TIMESTAMP created_at"`
+	UpdatedAt    time.Time `xorm:"updated TIMESTAMP updated_at"`
+	UserID       string    `xorm:"not null default 0 BIGINT(20) user_id"`
+	ObjectType   int       `xorm:"not null default 0 INT(11) object_type"`
+	ObjectID     string    `xorm:"not null default 0 BIGINT(20) INDEX object_id"`
+	Title        string    `xorm:"not null default '' VARCHAR(255) title"`
+	Content      string    `xorm:"not null MEDIUMTEXT content"`
+	Log          string    `xorm:"VARCHAR(255) log"`
+	Status       int       `xorm:"not null default 1 INT(11) status"`
+	ReviewUserID int64     `xorm:"not null default 0 BIGINT(20) review_user_id"`
+}
+
+func (RevisionV14) TableName() string {
+	return "revision"
+}