磁盘（光驱）验证除数不为零

ruoyi-common/src/main/java/com/ruoyi/common/utils/Arith.java

@@ -86,6 +86,10 @@ public class Arith
         }
         BigDecimal b1 = new BigDecimal(Double.toString(v1));
         BigDecimal b2 = new BigDecimal(Double.toString(v2));
+        if (b1.compareTo(BigDecimal.ZERO) == 0)
+        {
+            return BigDecimal.ZERO.doubleValue();
+        }
         return b1.divide(b2, scale, BigDecimal.ROUND_HALF_UP).doubleValue();
     }
 

ruoyi-framework/src/main/java/com/ruoyi/framework/web/domain/Server.java

@@ -28,6 +28,9 @@ import oshi.util.Util;
  */
 public class Server
 {
+    
+    private static final int OSHI_WAIT_SECOND = 1000;
+    
     /**
      * CPU相关信息
      */
@@ -126,7 +129,7 @@ public class Server
     {
         // CPU信息
         long[] prevTicks = processor.getSystemCpuLoadTicks();
-        Util.sleep(500);
+        Util.sleep(OSHI_WAIT_SECOND);
         long[] ticks = processor.getSystemCpuLoadTicks();
         long nice = ticks[TickType.NICE.getIndex()] - prevTicks[TickType.NICE.getIndex()];
         long irq = ticks[TickType.IRQ.getIndex()] - prevTicks[TickType.IRQ.getIndex()];