diff --git a/src/lib/cache.ts b/src/lib/cache.ts
index 0f82437..6053abd 100644
--- a/src/lib/cache.ts
+++ b/src/lib/cache.ts
@@ -8,6 +8,7 @@ function getRedis() {
     _redis = new Redis({
       host: process.env.REDIS_HOST || "127.0.0.1",
       port: parseInt(process.env.REDIS_PORT || "6379"),
+      username: process.env.REDIS_USERNAME || undefined,
       password: process.env.REDIS_PASSWORD || undefined,
       db: parseInt(process.env.REDIS_CACHE_DB || "0"), // API 缓存专用 DB
       lazyConnect: true,