diff --git a/schisandra-cloud-storage-oss/schisandra-cloud-storage-oss-common/src/main/java/com/schisandra/oss/common/utils/CaffeineUtil.java b/schisandra-cloud-storage-oss/schisandra-cloud-storage-oss-common/src/main/java/com/schisandra/oss/common/utils/CaffeineUtil.java
new file mode 100644
index 0000000..ceeadca
--- /dev/null
+++ b/schisandra-cloud-storage-oss/schisandra-cloud-storage-oss-common/src/main/java/com/schisandra/oss/common/utils/CaffeineUtil.java
@@ -0,0 +1,33 @@
+package com.schisandra.oss.common.utils;
+
+
+import com.github.benmanes.caffeine.cache.Cache;
+import com.github.benmanes.caffeine.cache.Caffeine;
+import lombok.Setter;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.cache.annotation.EnableCaching;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.stereotype.Component;
+
+import java.util.concurrent.TimeUnit;
+
+@Configuration
+@Setter
+@Slf4j
+public class CaffeineUtil {
+
+    public static  int maximumSize=10000;
+    public static  int expiresTime = 3;
+    public static TimeUnit unitTime = TimeUnit.MINUTES;
+//    @Bean
+    public Cache<String,String> caffeineUtil(){
+        Cache<String, String> cache = Caffeine.newBuilder()
+                .maximumSize(maximumSize)
+                .expireAfterWrite(expiresTime, unitTime)
+                .build();
+        return cache;
+    }
+
+
+}