diff --git a/src/sf_global.c b/src/sf_global.c
index 6fd639e..ada5ef2 100644
--- a/src/sf_global.c
+++ b/src/sf_global.c
@@ -161,9 +161,9 @@ int sf_load_log_config(IniFullContext *ini_ctx, LogContext *log_ctx,
 {
     int result;
 
-    log_cfg->sync_log_buff_interval = iniGetIntValueEx(
+    log_cfg->sync_log_buff_interval = iniGetTimestampValueEx(
             ini_ctx->section_name, "sync_log_buff_interval",
-            ini_ctx->context, SF_DEF_SYNC_LOG_BUFF_INTERVAL, true);
+            ini_ctx->context, SF_DEF_SYNC_LOG_BUFF_INTERVAL, 1, true);
     if (log_cfg->sync_log_buff_interval <= 0) {
         log_cfg->sync_log_buff_interval = SF_DEF_SYNC_LOG_BUFF_INTERVAL;
     }
diff --git a/src/sf_util.c b/src/sf_util.c
index 59cc162..8fea71a 100644
--- a/src/sf_util.c
+++ b/src/sf_util.c
@@ -95,7 +95,7 @@ int sf_printbuffer(char* buffer,int32_t len)
 void sf_usage_ex(const char *program, const SFCMDOption *other_options)
 {
     fprintf(stderr, "\nUsage: %s [options] <config_file> "
-            "[start | stop | restart | status]\n\noptions:\n", program);
+            "[start | stop | restart | status]\n\nOptions:\n", program);
 
     if (other_options != NULL) {
         const SFCMDOption *option;