diff --git a/oncn-mda/cli_src/func/log.c b/oncn-mda/cli_src/func/log.c
index 9bd8361df67b30dd258fda77e101da81dc3985af..970a973b3baca81277083611fd0c0837e136ba80 100644
--- a/oncn-mda/cli_src/func/log.c
+++ b/oncn-mda/cli_src/func/log.c
@@ -38,8 +38,10 @@ void ma_log(enum LOG_LEVEL level, const char* format, ...)
 	va_list ap;
 	va_start(ap, format);
 	char fmt_str[MAX_FMT_STR_LENGTH] = {0};
-	if (vsnprintf_s(fmt_str, sizeof(fmt_str), sizeof(fmt_str) - 1, format, ap) == -1)
+	if (vsnprintf_s(fmt_str, sizeof(fmt_str), sizeof(fmt_str) - 1, format, ap) == -1) {
+		va_end(ap);
 		return;
+	}
 	va_end(ap);
 
 	(void)fprintf(stderr, "%s", fmt_str);
diff --git a/pkg/bpf/bpf.go b/pkg/bpf/bpf.go
index 900d5e02eb6619760e080413cd3ba864dd952c69..7ea2ae5c9e04b7fa88792c95d2ca3fbd2d4cc758 100644
--- a/pkg/bpf/bpf.go
+++ b/pkg/bpf/bpf.go
@@ -21,6 +21,7 @@ package bpf
 import (
 	"fmt"
 	"os/exec"
+	"strings"
 
 	"github.com/cilium/ebpf"
 	"github.com/cilium/ebpf/rlimit"
@@ -71,11 +72,11 @@ func StartMda() error {
 	cmd := exec.Command("mdacore", "enable")
 	output, err := cmd.CombinedOutput()
 	if err != nil {
-		log.Error(string(output))
+		log.Error(strings.Replace(string(output), "\n", " ", -1))
 		return err
 	}
 
-	log.Info(string(output))
+	log.Info(strings.Replace(string(output), "\n", " ", -1))
 	return nil
 }
 
@@ -105,11 +106,11 @@ func StopMda() error {
 	cmd := exec.Command("mdacore", "disable")
 	output, err := cmd.CombinedOutput()
 	if err != nil {
-		log.Error(string(output))
+		log.Error(strings.Replace(string(output), "\n", " ", -1))
 		return err
 	}
 
-	log.Info(string(output))
+	log.Info(strings.Replace(string(output), "\n", " ", -1))
 	return nil
 }