diff --git a/redis-cache/src/main/java/ink/wgink/redis/cache/manager/files/RedisFilesShowCodeService.java b/redis-cache/src/main/java/ink/wgink/redis/cache/manager/files/RedisFilesShowCodeService.java
index 0f135188..cd531f4f 100644
--- a/redis-cache/src/main/java/ink/wgink/redis/cache/manager/files/RedisFilesShowCodeService.java
+++ b/redis-cache/src/main/java/ink/wgink/redis/cache/manager/files/RedisFilesShowCodeService.java
@@ -13,6 +13,7 @@ import org.springframework.stereotype.Component;
 
 import java.util.HashSet;
 import java.util.Set;
+import java.util.concurrent.TimeUnit;
 
 /**
  * @ClassName: RedisFilesShowCodeServiceImpl
@@ -36,12 +37,12 @@ public class RedisFilesShowCodeService implements IFilesShowCodeService {
 
     @Override
     public void clearTimeoutShowCode() {
-        Set<String> keySet = redisTemplate.keys(FILE_SHOW_CODE_KEY);
+        Set<String> keySet = redisTemplate.keys(FILE_SHOW_CODE_KEY + "**");
         long currentTimeMillis = System.currentTimeMillis();
         Set<String> clearKeys = new HashSet<>(16);
         long clearTimeoutShowCodeCount = 0;
         for (String key : keySet) {
-            FilesShowCode showCode = getShowCode(key);
+            FilesShowCode showCode = (FilesShowCode) redisTemplate.opsForValue().get(key);
             if (currentTimeMillis - showCode.getLatestUpdateTime() > SHOW_CODE_TIMEOUT_MILLIS) {
                 clearKeys.add(FILE_SHOW_CODE_KEY + showCode.getFileId());
             }
@@ -66,8 +67,7 @@ public class RedisFilesShowCodeService implements IFilesShowCodeService {
     public synchronized FilesShowCode getShowCode(String fileId) {
         FilesShowCode showCode = (FilesShowCode) redisTemplate.opsForValue().get(FILE_SHOW_CODE_KEY + fileId);
         if (showCode != null) {
-            showCode.setLatestUpdateTime(System.currentTimeMillis());
-            redisTemplate.opsForValue().set(FILE_SHOW_CODE_KEY + fileId, showCode);
+            redisTemplate.opsForValue().set(FILE_SHOW_CODE_KEY + fileId, showCode, 1, TimeUnit.MINUTES);
         }
         return showCode;
     }