diff --git a/src/MESA_handle_logger.c b/src/MESA_handle_logger.c
index 732bfac..c630867 100644
--- a/src/MESA_handle_logger.c
+++ b/src/MESA_handle_logger.c
@@ -127,7 +127,8 @@ static const char *loglevel_to_name(int level)
 
 static void snapshot_handle_info(const char *handle_name, const char *log_path, int level)
 {
-    char zlog_rule_conf_content[MAX_HANDLE_LOG_PATH + 1];
+    char zlog_rule_conf_content[MAX_HANDLE_LOG_PATH + 1] = "";
+    static char *zlog_conf_init_buff = "[global]\ndefault format = \"%%d(%%c), %%V, %F, %U, %%m%%n\" \n[levels]\nDEBUG=10\nINFO=20\nFATAL=30\n[rules]";
     if (g_zlog_conf_fp == -1)
     {
         char temp_filename[1024] = "";
@@ -141,9 +142,7 @@ static void snapshot_handle_info(const char *handle_name, const char *log_path,
         {
             return;
         }
-        int len = snprintf(zlog_rule_conf_content, sizeof(zlog_rule_conf_content),
-                           "[global]\ndefault format = \"%%d(%%c), %%V, %F, %U, %%m%%n\" \n[levels]\nDEBUG=10\nINFO=20\nFATAL=30\n[rules]");
-        write(g_zlog_conf_fp, zlog_rule_conf_content, strlen(zlog_rule_conf_content));
+        write(g_zlog_conf_fp, zlog_conf_init_buff, strlen(zlog_conf_init_buff));
         fsync(g_zlog_conf_fp);
     }
     snprintf(zlog_rule_conf_content, sizeof(zlog_rule_conf_content),