fix DatabaseService

src/utility/dice-profile.ts

-import { Model } from 'koishi';
+import { Field } from 'koishi';
 
 export interface DiceProfile {
   diceRcMode: number;
@@ -9,7 +9,7 @@ export const DiceProfileFields: (keyof DiceProfile)[] = [
   'diceDefaultRollFaces',
 ];
 
-export function getProfileModel(): Model.Field.Extension<DiceProfile> {
+export function getProfileModel(): Field.Extension<DiceProfile> {
   return {
     diceRcMode: { type: 'integer' },
     diceDefaultRollFaces: { type: 'integer' },