diff --git a/common/utils.go b/common/utils.go
index ea7b98a9..f8ff3209 100644
--- a/common/utils.go
+++ b/common/utils.go
@@ -219,5 +219,6 @@ func EnabledXdp() bool {
 
 func NeedsRunningInCompatibleMode() bool {
 	kernel58, _ := version.NewVersion("5.8")
-	return viper.GetBool("compatible") || GetKernelVersion().LessThan(kernel58)
+	curKernelVersion := GetKernelVersion()
+	return viper.GetBool("compatible") || curKernelVersion == nil || curKernelVersion.LessThan(kernel58)
 }
diff --git a/docs/kyanos-demo-1.gif b/docs/kyanos-demo-1.gif
index 2354a0ac..b04d2a14 100644
Binary files a/docs/kyanos-demo-1.gif and b/docs/kyanos-demo-1.gif differ