diff --git a/src/main/java/com/tongran/agent/client/service/impl/SystemServiceImpl.java b/src/main/java/com/tongran/agent/client/service/impl/SystemServiceImpl.java
index eeed138..a7a6ad8 100644
--- a/src/main/java/com/tongran/agent/client/service/impl/SystemServiceImpl.java
+++ b/src/main/java/com/tongran/agent/client/service/impl/SystemServiceImpl.java
@@ -160,10 +160,11 @@ public class SystemServiceImpl implements SystemService {
                             memInfo.getOrDefault("Cached", 0L) +
                             memInfo.getOrDefault("SReclaimable", 0L));
             // 实际内存使用率
-            long cached = memInfo.getOrDefault("Cached", 0L) +
-                    memInfo.getOrDefault("SReclaimable", 0L);
-            long buffers = memInfo.getOrDefault("Buffers", 0L);
-            double actualUsage = (double)(total - available - cached - buffers) / total * 100;
+//            long cached = memInfo.getOrDefault("Cached", 0L) +
+//                    memInfo.getOrDefault("SReclaimable", 0L);
+//            long buffers = memInfo.getOrDefault("Buffers", 0L);
+//            double actualUsage = (double)(total - available - cached - buffers) / total * 100;
+            double actualUsage = (double)(total - available) / total * 100;
             System.out.printf("实际内存使用率: %.2f%%\n", actualUsage);
             return actualUsage;
         } catch (IOException e) {