diff --git a/src/core/apis/file.ts b/src/core/apis/file.ts
index c93d0f8e..a6847ac7 100644
--- a/src/core/apis/file.ts
+++ b/src/core/apis/file.ts
@@ -434,9 +434,9 @@ export class NTQQFileApi {
         };
 
         try {
-            if (this.core.apis.PacketApi.available && this.packetRkey?.[0] && this.packetRkey?.[1]) {
-                const rkey_expired_private = !this.packetRkey || this.packetRkey[0].time + Number(this.packetRkey[0].ttl) < Date.now() / 1000;
-                const rkey_expired_group = !this.packetRkey || this.packetRkey[0].time + Number(this.packetRkey[0].ttl) < Date.now() / 1000;
+            if (this.core.apis.PacketApi.available) {
+                const rkey_expired_private = !this.packetRkey || (this.packetRkey[0] && this.packetRkey[0].time + Number(this.packetRkey[0].ttl) < Date.now() / 1000);
+                const rkey_expired_group = !this.packetRkey || (this.packetRkey[0] && this.packetRkey[0].time + Number(this.packetRkey[0].ttl) < Date.now() / 1000);
                 if (rkey_expired_private || rkey_expired_group) {
                     this.packetRkey = await this.fetchRkeyWithRetry();
                 }