diff --git a/src/main/java/net/lamgc/cgj/cache/RedisCacheStore.java b/src/main/java/net/lamgc/cgj/cache/RedisCacheStore.java
index dfd45f3..5094b78 100644
--- a/src/main/java/net/lamgc/cgj/cache/RedisCacheStore.java
+++ b/src/main/java/net/lamgc/cgj/cache/RedisCacheStore.java
@@ -50,7 +50,7 @@ public abstract class RedisCacheStore<T> implements CacheStore<T> {
         Transaction multi = jedis.multi();
         multi.set(keyPrefix + key, parse(value));
         if(expire != null) {
-            multi.expireAt(key, expire.getTime());
+            multi.expireAt(keyPrefix + key, expire.getTime());
             log.debug("已设置Key {} 的过期时间(Expire: {})", key, expire.getTime());
         }
         multi.exec();
diff --git a/src/main/java/net/lamgc/cgj/cache/RedisPoolCacheStore.java b/src/main/java/net/lamgc/cgj/cache/RedisPoolCacheStore.java
index 131e208..3800ce7 100644
--- a/src/main/java/net/lamgc/cgj/cache/RedisPoolCacheStore.java
+++ b/src/main/java/net/lamgc/cgj/cache/RedisPoolCacheStore.java
@@ -7,6 +7,7 @@ import redis.clients.jedis.*;
 
 import java.net.URI;
 import java.util.Date;
+import java.util.List;
 
 public abstract class RedisPoolCacheStore<T> implements CacheStore<T> {
 
@@ -36,7 +37,7 @@ public abstract class RedisPoolCacheStore<T> implements CacheStore<T> {
         Transaction multi = jedis.multi();
         multi.set(keyPrefix + key, parse(value));
         if(expire != null) {
-            multi.expireAt(key, expire.getTime());
+            multi.expireAt(keyPrefix + key, expire.getTime());
             log.debug("已设置Key {} 的过期时间(Expire: {})", key, expire.getTime());
         }
         multi.exec();