1 files changed, 5 insertions, 0 deletions
diff --git a/src/main/java/com/juick/util/PrettyTimeFormatter.java b/src/main/java/com/juick/util/PrettyTimeFormatter.java
index 34a230f5..5c736413 100644
--- a/src/main/java/com/juick/util/PrettyTimeFormatter.java
+++ b/src/main/java/com/juick/util/PrettyTimeFormatter.java
@@ -33,6 +33,11 @@ public class PrettyTimeFormatter {
     // Cache PrettyTime per locale. LRU cache to prevent memory leak.
     private static final Map<Locale, PrettyTime> PRETTY_TIME_LOCALE_MAP =
             new LinkedHashMap<>(MAX_CACHE_SIZE + 1, 1.1F, true) {
+                /**
+                 *
+                 */
+                private static final long serialVersionUID = 1828878791879310392L;
+
                 @Override
                 protected boolean removeEldestEntry(Map.Entry<Locale, PrettyTime> eldest) {
                     return size() > MAX_CACHE_SIZE;