diff --git a/powerjob-common/src/main/java/com/github/kfcfans/powerjob/common/model/SystemMetrics.java b/powerjob-common/src/main/java/com/github/kfcfans/powerjob/common/model/SystemMetrics.java
index 4f13accb..e1c384a4 100644
--- a/powerjob-common/src/main/java/com/github/kfcfans/powerjob/common/model/SystemMetrics.java
+++ b/powerjob-common/src/main/java/com/github/kfcfans/powerjob/common/model/SystemMetrics.java
@@ -56,7 +56,8 @@ public class SystemMetrics implements OmsSerializable, Comparable<SystemMetrics>
             cpuScore = 1;
         }
 
-        return (int) (memScore + cpuScore);
+        score = (int) (memScore + cpuScore);
+        return score;
     }
 
     /**