diff --git a/src/types/index.d.ts b/src/types/index.d.ts
new file mode 100644
index 0000000..adc297e
--- /dev/null
+++ b/src/types/index.d.ts
@@ -0,0 +1,8 @@
+declare global {
+  interface VideoParseInfo {
+    poster: string;
+    duration: number;
+  }
+}
+
+export {}
\ No newline at end of file
diff --git a/src/types/index.ts b/src/types/index.ts
deleted file mode 100644
index 7f6dc48..0000000
--- a/src/types/index.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-export interface VideoParseInfo {
-    poster:string;
-    duration:number;
-}
\ No newline at end of file
diff --git a/src/utils/index.ts b/src/utils/index.ts
index 5e85120..42aaba3 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -1,5 +1,4 @@
 import moment from "moment";
-import { VideoParseInfo } from "../types";
 
 export function getToken(): string {
   return window.localStorage.getItem("playedu-backend-token") || "";