diff --git a/packages/shared/preferences.ts b/packages/shared/preferences.ts
index bd318d8fdd..3da0ea4b59 100644
--- a/packages/shared/preferences.ts
+++ b/packages/shared/preferences.ts
@@ -1,35 +1,35 @@
-export interface Preferences {
+/**
+ * we should use sorted object keys
+ * use `eslint --fix` to auto sort keys
+ */
+
+/* eslint @typescript-eslint/member-ordering: ["error", {
+  "interfaces": { "order": "alphabetically" },
+  "typeLiterals": { "order": "alphabetically" }
+}] */
+export interface PreferencesType {
   default: {
-    test1: string
-    test2: number
-    test3: boolean
-    test4: string[]
-    test5: {
+    'app.test5': {
       content1: string
       content2: number
     }
-  }
-  user: {
-    test1: string
-    test2: number
-    test3: boolean
+    'sys.a.test3': boolean
+    'sys.a.test4': string[]
+    'ui.a.test1': string
+    'ui.b.test2': number
   }
 }
 
-export const defaultPreferences: Preferences = {
+/* eslint sort-keys: ["error", "asc", {"caseSensitive": true, "natural": false}] */
+export const defaultPreferences: PreferencesType = {
   default: {
-    test1: 'test1',
-    test2: 1,
-    test3: true,
-    test4: ['test4-1', 'test4-2'],
-    test5: {
+    'app.test5': {
       content1: 'test5-1',
       content2: 2
-    }
-  },
-  user: {
-    test1: 'test1',
-    test2: 1,
-    test3: false
+    },
+    'sys.a.test3': true,
+    'sys.a.test4': ['test4-1', 'test4-2'],
+    'ui.a.test1': 'test1',
+    'ui.b.test2': 1
   }
 }
diff --git a/src/main/db/schemas/preference.ts b/src/main/db/schemas/preference.ts
index 1a02e8e99d..bb1b4e469c 100644
--- a/src/main/db/schemas/preference.ts
+++ b/src/main/db/schemas/preference.ts
@@ -5,7 +5,7 @@ import { crudTimestamps } from './columnHelpers'
 export const preferenceTable = sqliteTable(
   'preference',
   {
-    scope: text().notNull(),
+    scope: text().notNull(), // scope is reserved for future use, now only 'default' is supported
     key: text().notNull(),
     value: text({ mode: 'json' }),
     ...crudTimestamps