diff --git a/util/system.go b/util/system.go
index e0a4f59c..f9b56f6c 100644
--- a/util/system.go
+++ b/util/system.go
@@ -59,7 +59,7 @@ func getMemoryUsage() (uint64, uint64, error) {
 	var m runtime.MemStats
 	runtime.ReadMemStats(&m)
 
-	return m.TotalAlloc, virtualMem.Total, nil
+	return m.Alloc, virtualMem.Total, nil
 }
 
 func GetSystemInfo() (*SystemInfo, error) {
diff --git a/web/src/SystemInfo.js b/web/src/SystemInfo.js
index 44aede69..3be02612 100644
--- a/web/src/SystemInfo.js
+++ b/web/src/SystemInfo.js
@@ -45,7 +45,7 @@ class SystemInfo extends React.Component {
         }).catch(error => {
           Setting.showMessage("error", `System info failed to get: ${error}`);
         });
-      }, 1000 * 3);
+      }, 1000 * 2);
       this.setState({intervalId: id});
     }).catch(error => {
       Setting.showMessage("error", `System info failed to get: ${error}`);