diff --git a/Service%EF%BC%9ARedis.md b/Service%EF%BC%9ARedis.md
index 3114568..08de9c4 100644
--- a/Service%EF%BC%9ARedis.md
+++ b/Service%EF%BC%9ARedis.md
@@ -17,7 +17,7 @@ chmod 644 /usr/share/keyrings/redis-archive-keyring.gpg
 # 加入 Redis 套件庫
 
 ```bash
-echo "deb [signed-by=/usr/share/keyrings/redis-archive-keyring.gpg] https://packages.redis.io/deb $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/redis.list
+echo "deb [signed-by=/usr/share/keyrings/redis-archive-keyring.gpg] https://packages.redis.io/deb $(lsb_release -cs) main" | tee /etc/apt/sources.list.d/redis.list
 ```
 
 # 安裝 Redis