diff --git a/internal/model/oplog.go b/internal/model/oplog.go
index 4ea176e..d9a50ad 100644
--- a/internal/model/oplog.go
+++ b/internal/model/oplog.go
@@ -288,7 +288,7 @@ type OpLog struct {
 
 	UserId   uint64        `json:"user_id" gorm:"column:user_id"`
 	Username string        `json:"username" gorm:"column:username;varchar(128)"`
-	Type     OpLogType     `json:"type" gorm:"column:type;type:varchar(128)"`
+	Type     OpLogType     `json:"type" gorm:"column:type"`
 	Content  sqlType.JSONB `json:"content" gorm:"column:content;type:jsonb"`
 	HTML     string        `json:"html" gorm:"-"`
 }