diff --git a/src/sheep/utils/dingAuthCode.ts b/src/sheep/utils/dingAuthCode.ts
index 1deffbe..118742d 100644
--- a/src/sheep/utils/dingAuthCode.ts
+++ b/src/sheep/utils/dingAuthCode.ts
@@ -1,3 +1,4 @@
+import gdtJsapi from "gdt-jsapi"
 import { loadScript } from "./loadScript"
 
 const JSAPI_LOAD_TIMEOUT_MS = 45000
@@ -179,9 +180,8 @@ export function authCodeFromGdtResult(res: unknown): string | null {
  * 与 zzdhome `App.vue` 的 `runZzdLogin` 一致：`loadDingTalkOpenJsapi` 后使用 `gdt-jsapi` 的 `getAuthCode`，不再单独用 window.dd 包一层 Promise。
  */
 export async function requestZzdAuthCodeViaGdt(corpId: string): Promise<string> {
-	const dd = (await import("gdt-jsapi")).default
 	await loadDingTalkOpenJsapi()
-	const res = await dd.getAuthCode({ corpId: (corpId || "").trim() })
+	const res = await gdtJsapi.getAuthCode({ corpId: (corpId || "").trim() })
 	const code = authCodeFromGdtResult(res)
 	if (!code) throw new Error("getAuthCode 未返回有效 code（请核对 gdt 返回字段）")
 	return code