diff --git a/xxl-job-admin/src/main/java/com/xxl/job/admin/core/util/LocalCacheUtil.java b/xxl-job-admin/src/main/java/com/xxl/job/admin/core/util/LocalCacheUtil.java
index f5b9083..73df87a 100644
--- a/xxl-job-admin/src/main/java/com/xxl/job/admin/core/util/LocalCacheUtil.java
+++ b/xxl-job-admin/src/main/java/com/xxl/job/admin/core/util/LocalCacheUtil.java
@@ -12,7 +12,7 @@
  */
 public class LocalCacheUtil {
 
-    private static ConcurrentMap<String, LocalCacheData> cacheRepository = new ConcurrentHashMap<>();   // 类型建议用抽象父类，兼容性更好；
+    private static ConcurrentMap<String, LocalCacheData> cacheRepository = new ConcurrentHashMap<String, LocalCacheData>();   // 类型建议用抽象父类，兼容性更好；
     private static class LocalCacheData{
         private String key;
         private Object val;