REQ-2453: 添加日志, 看一下分类统计的命中率

inside-notices/src/main/java/cn/axzo/msg/center/message/service/todo/cache/CacheMetric.java

@@ -38,7 +38,7 @@ class CacheMetric {
         long totalAccesses = hitCount + missCount;
         double hitRate = totalAccesses == 0 ? 0 : ((double) hitCount / totalAccesses) * 100;
 
-        log.info("CacheMetric[{}]: {}-{}, hitCount={}, missCount={}, hitRate={}%",
+        log.info("CacheMetric[{}]: {} ~ {}, hitCount={}, missCount={}, hitRate={}%",
                 name,
                 createAt.toString(pattern), printAt.toString(pattern),
                 hitCount, missCount, String.format("%.2f", hitRate));