diff --git a/src/main/java/pw/yumc/Yum/commands/MonitorCommand.java b/src/main/java/pw/yumc/Yum/commands/MonitorCommand.java
index d397a18..c8de6b4 100644
--- a/src/main/java/pw/yumc/Yum/commands/MonitorCommand.java
+++ b/src/main/java/pw/yumc/Yum/commands/MonitorCommand.java
@@ -151,7 +151,7 @@ public class MonitorCommand implements CommandExecutor {
             }
         }
         sender.sendMessage(mieprefix);
-        for (final String event : eventTotalTime.keySet()) {
+        for (final String event : MonitorManager.sortMapByValue(eventTotalTime).keySet()) {
             final double avgTime = eventTotalTime.get(event) / um / eventCount.get(event);
             sender.sendMessage(String.format(avgTime < 10 ? milist : miwlist, event, eventTotalTime.get(event) / um, eventCount.get(event), avgTime));
         }
diff --git a/src/main/java/pw/yumc/Yum/managers/MonitorManager.java b/src/main/java/pw/yumc/Yum/managers/MonitorManager.java
index c71adea..9bab2c1 100644
--- a/src/main/java/pw/yumc/Yum/managers/MonitorManager.java
+++ b/src/main/java/pw/yumc/Yum/managers/MonitorManager.java
@@ -134,7 +134,7 @@ public class MonitorManager {
      */
     public static Map<String, Long> sortMapByValue(final Map<String, Long> oriMap) {
         if (oriMap == null || oriMap.isEmpty()) {
-            return null;
+            return oriMap;
         }
         final Map<String, Long> sortedMap = new LinkedHashMap<String, Long>();
         final List<Map.Entry<String, Long>> entryList = new ArrayList<Map.Entry<String, Long>>(oriMap.entrySet());