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 cd531f4f..59097a10 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
@@ -43,6 +43,9 @@ public class RedisFilesShowCodeService implements IFilesShowCodeService {
         long clearTimeoutShowCodeCount = 0;
         for (String key : keySet) {
             FilesShowCode showCode = (FilesShowCode) redisTemplate.opsForValue().get(key);
+            if (showCode == null) {
+                continue;
+            }
             if (currentTimeMillis - showCode.getLatestUpdateTime() > SHOW_CODE_TIMEOUT_MILLIS) {
                 clearKeys.add(FILE_SHOW_CODE_KEY + showCode.getFileId());
             }