diff --git a/eladmin-generator/src/main/java/me/zhengjie/utils/GenUtil.java b/eladmin-generator/src/main/java/me/zhengjie/utils/GenUtil.java
index b1cb249e..d197a3ca 100644
--- a/eladmin-generator/src/main/java/me/zhengjie/utils/GenUtil.java
+++ b/eladmin-generator/src/main/java/me/zhengjie/utils/GenUtil.java
@@ -1,4 +1,4 @@
-/*
+/*
  *  Copyright 2019-2020 Zheng Jie
  *
  *  Licensed under the Apache License, Version 2.0 (the "License");
@@ -276,7 +276,8 @@ public class GenUtil {
             // 主键存在字典
             if (StringUtils.isNotBlank(column.getDictName())) {
                 genMap.put("hasDict", true);
-                dicts.add(column.getDictName());
+                if(!dicts.contains(column.getDictName()))
+                    dicts.add(column.getDictName());
             }
 
             // 存储字段类型
diff --git a/eladmin-system/src/main/java/me/zhengjie/modules/system/service/impl/MonitorServiceImpl.java b/eladmin-system/src/main/java/me/zhengjie/modules/system/service/impl/MonitorServiceImpl.java
index 6e7e5222..fd69a222 100644
--- a/eladmin-system/src/main/java/me/zhengjie/modules/system/service/impl/MonitorServiceImpl.java
+++ b/eladmin-system/src/main/java/me/zhengjie/modules/system/service/impl/MonitorServiceImpl.java
@@ -148,9 +148,15 @@ public class MonitorServiceImpl implements MonitorService {
         cpuInfo.put("logic", processor.getLogicalProcessorCount() + "个逻辑CPU");
         // CPU信息
         long[] prevTicks = processor.getSystemCpuLoadTicks();
-        // 等待1秒...
-        Util.sleep(1000);
+        // 默认等待300毫秒...
+        long time = 300;
+        Util.sleep(time);
         long[] ticks = processor.getSystemCpuLoadTicks();
+        while (Arrays.toString(prevTicks).equals(Arrays.toString(ticks)) && time < 1000){
+            time += 25;
+            Util.sleep(25);
+            ticks = processor.getSystemCpuLoadTicks();
+        }
         long user = ticks[CentralProcessor.TickType.USER.getIndex()] - prevTicks[CentralProcessor.TickType.USER.getIndex()];
         long nice = ticks[CentralProcessor.TickType.NICE.getIndex()] - prevTicks[CentralProcessor.TickType.NICE.getIndex()];
         long sys = ticks[CentralProcessor.TickType.SYSTEM.getIndex()] - prevTicks[CentralProcessor.TickType.SYSTEM.getIndex()];