diff --git a/cmd/flags/flag.go b/cmd/flags/flag.go
index 0768eb1..a415bbf 100644
--- a/cmd/flags/flag.go
+++ b/cmd/flags/flag.go
@@ -2,20 +2,21 @@ package flags
 
 var (
 	AutoDiscoveryKey     string
-	DisableAutoUpdate   bool
-	DisableWebSsh       bool
-	MemoryModeAvailable bool
-	Token               string
-	Endpoint            string
-	Interval            float64
-	IgnoreUnsafeCert    bool
-	MaxRetries          int
-	ReconnectInterval   int
-	InfoReportInterval  int
-	IncludeNics         string
-	ExcludeNics         string
-	IncludeMountpoints  string
-	MonthRotate         int
-	CFAccessClientID    string
+	DisableAutoUpdate    bool
+	DisableWebSsh        bool
+	MemoryModeAvailable  bool
+	Token                string
+	Endpoint             string
+	Interval             float64
+	IgnoreUnsafeCert     bool
+	MaxRetries           int
+	ReconnectInterval    int
+	InfoReportInterval   int
+	IncludeNics          string
+	ExcludeNics          string
+	IncludeMountpoints   string
+	MonthRotate          int
+	CFAccessClientID     string
 	CFAccessClientSecret string
+	MemoryIncludeCache   bool
 )
diff --git a/cmd/root.go b/cmd/root.go
index 34539c2..f713d70 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -67,6 +67,11 @@ func Execute() {
 			os.Args = append(os.Args[:i], os.Args[i+1:]...)
 			break
 		}
+		if arg == "-memory-mode-available" || arg == "--memory-mode-available" {
+			flags.MemoryIncludeCache = true
+			log.Println("WARNING: The --memory-mode-available flag is deprecated in version 1.0.70 and later. Use --memory-include-cache to report memory usage including cache/buffer.")
+			os.Args = append(os.Args[:i], os.Args[i+1:]...)
+		}
 	}
 
 	if err := RootCmd.Execute(); err != nil {
@@ -82,7 +87,7 @@ func init() {
 	RootCmd.PersistentFlags().StringVar(&flags.AutoDiscoveryKey, "auto-discovery", "", "Auto discovery key for the agent")
 	RootCmd.PersistentFlags().BoolVar(&flags.DisableAutoUpdate, "disable-auto-update", false, "Disable automatic updates")
 	RootCmd.PersistentFlags().BoolVar(&flags.DisableWebSsh, "disable-web-ssh", false, "Disable remote control(web ssh and rce)")
-	RootCmd.PersistentFlags().BoolVar(&flags.MemoryModeAvailable, "memory-mode-available", false, "Report memory as available instead of used.")
+	//RootCmd.PersistentFlags().BoolVar(&flags.MemoryModeAvailable, "memory-mode-available", false, "[deprecated]Report memory as available instead of used.")
 	RootCmd.PersistentFlags().Float64VarP(&flags.Interval, "interval", "i", 1.0, "Interval in seconds")
 	RootCmd.PersistentFlags().BoolVarP(&flags.IgnoreUnsafeCert, "ignore-unsafe-cert", "u", false, "Ignore unsafe certificate errors")
 	RootCmd.PersistentFlags().IntVarP(&flags.MaxRetries, "max-retries", "r", 3, "Maximum number of retries")
@@ -94,5 +99,6 @@ func init() {
 	RootCmd.PersistentFlags().IntVar(&flags.MonthRotate, "month-rotate", 0, "Month reset for network statistics (0 to disable)")
 	RootCmd.PersistentFlags().StringVar(&flags.CFAccessClientID, "cf-access-client-id", "", "Cloudflare Access Client ID")
 	RootCmd.PersistentFlags().StringVar(&flags.CFAccessClientSecret, "cf-access-client-secret", "", "Cloudflare Access Client Secret")
+	RootCmd.PersistentFlags().BoolVar(&flags.MemoryIncludeCache, "memory-include-cache", false, "Include cache/buffer in memory usage")
 	RootCmd.PersistentFlags().ParseErrorsWhitelist.UnknownFlags = true
 }
diff --git a/monitoring/unit/mem.go b/monitoring/unit/mem.go
index 572753a..4926398 100644
--- a/monitoring/unit/mem.go
+++ b/monitoring/unit/mem.go
@@ -18,9 +18,9 @@ func Ram() RamInfo {
 		raminfo.Used = 0
 		return raminfo
 	}
-	if flags.MemoryModeAvailable {
+	if flags.MemoryIncludeCache {
 		raminfo.Total = v.Total
-		raminfo.Used = v.Total - v.Available
+		raminfo.Used = v.Total - v.Free
 		return raminfo
 	}
 	raminfo.Total = v.Total