diff --git a/src/i18n/index.ts b/src/i18n/index.ts
index 798e20d..4770d8f 100644
--- a/src/i18n/index.ts
+++ b/src/i18n/index.ts
@@ -1,6 +1,6 @@
 import { IsEqual } from 'type-fest'
 
-import Infer from '@lib/type'
+import { Infer } from '@lib/type'
 
 import en_US from './en_US'
 import zh_CN from './zh_CN'
diff --git a/src/lib/type.ts b/src/lib/type.ts
index 98f6f8c..586c9c2 100644
--- a/src/lib/type.ts
+++ b/src/lib/type.ts
@@ -1,5 +1,7 @@
-type InferRecursion<K extends string, T> = T extends object ? { [P in keyof T]: P extends string ? InferRecursion<`${K}.${P}`, T[P]> : K }[keyof T] : K
+type InferRecursion<T, K extends string> =
+    T extends object
+        ? { [P in keyof T]: P extends string ? InferRecursion<T[P], `${K}.${P}`> : K }[keyof T]
+        : K
 
-type Infer<T> = Extract<{ [K in keyof T]: K extends string ? InferRecursion<K, T[K]> : unknown }[keyof T], string>
-
-export default Infer
+export type Infer<T> =
+    Extract<{ [K in keyof T]: K extends string ? InferRecursion<T[K], K> : unknown }[keyof T], string>
diff --git a/src/stores/jotai.ts b/src/stores/jotai.ts
index 349a3cd..5ef7570 100644
--- a/src/stores/jotai.ts
+++ b/src/stores/jotai.ts
@@ -17,7 +17,7 @@ import { isClashX, jsBridge } from '@lib/jsBridge'
 import { Snapshot } from '@lib/request'
 import * as API from '@lib/request'
 import { StreamReader } from '@lib/streamer'
-import Infer from '@lib/type'
+import { Infer } from '@lib/type'
 import * as Models from '@models'
 import { Log } from '@models/Log'