diff --git a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/MapCacheStore.java b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/MapCacheStore.java
index ff7c78d..abe1ceb 100644
--- a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/MapCacheStore.java
+++ b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/MapCacheStore.java
@@ -67,7 +67,7 @@ public interface MapCacheStore<V> extends CacheStore<Map<String, V>> {
      * @return 如果成功返回 true.
      * @throws NullPointerException 当 key/map 为 null 时抛出, 缓存存储容器不允许出现 null 值.
      */
-    boolean putAll(CacheKey key, Map<String, V> map);
+    boolean putAll(CacheKey key, Map<? extends String, ? extends V> map);
 
     /**
      * 如果字段不存在, 则会将指定的值与此映射中的指定字段关联.
diff --git a/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/HashMapCacheStore.java b/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/HashMapCacheStore.java
index e231ae1..5cc40f5 100644
--- a/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/HashMapCacheStore.java
+++ b/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/HashMapCacheStore.java
@@ -56,7 +56,7 @@ public class HashMapCacheStore<V> extends HashCacheStore<Map<String, V>> impleme
     }
 
     @Override
-    public boolean putAll(CacheKey key, Map<String, V> map) {
+    public boolean putAll(CacheKey key, Map<? extends String, ? extends V> map) {
         return getMap(key, true, keyMap -> {
             keyMap.putAll(Objects.requireNonNull(map));
             return true;
diff --git a/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisMapCacheStore.java b/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisMapCacheStore.java
index c748f48..1bbd56e 100644
--- a/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisMapCacheStore.java
+++ b/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisMapCacheStore.java
@@ -107,7 +107,7 @@ public class RedisMapCacheStore<V> extends RedisCacheStore<Map<String, V>> imple
     }
 
     @Override
-    public boolean putAll(CacheKey key, Map<String, V> map) {
+    public boolean putAll(CacheKey key, Map<? extends String, ? extends V> map) {
         Objects.requireNonNull(key);
         Objects.requireNonNull(map);
         if (map.size() == 0) {