diff --git a/.gitignore b/.gitignore
index 0433f2f..647907e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,7 @@ build/
 core.*
 version.txt
 demo/test_handle_logger
+cmake-build-debug
+GPATH
+GRTAGS
+GTAGS
diff --git a/demo/test_handle_logger.c b/demo/test_handle_logger.c
index 816d11c..448c14b 100644
--- a/demo/test_handle_logger.c
+++ b/demo/test_handle_logger.c
@@ -39,7 +39,7 @@ void call_logger(int log_num, int thread_num)
 		{
 				MESA_handle_runtime_log(sample_handle, RLOG_LV_INFO, "sample", "sample_handle MESA_handle_runtime_log, i = %d, thread_num = %d", i, thread_num);
 				//sleep(1);
-				//MESA_handle_runtime_log(test_handle, RLOG_LV_INFO, "test", "test_handle MESA_handle_runtime_log, i = %d, thread_num = %d", i, thread_num);
+				MESA_handle_runtime_log(test_handle, RLOG_LV_INFO, "test", "test_handle MESA_handle_runtime_log, i = %d, thread_num = %d", i, thread_num);
 				//MESA_HANDLE_RUNTIME_LOG(sample_handle, RLOG_LV_FATAL, "sample", "sample_handle RUNTIEM_LOG test, i = %d, thread_num = %d", i, thread_num);
 				////sleep(1);
 				//MESA_HANDLE_RUNTIME_LOG(test_handle, RLOG_LV_FATAL, "test", "test_handle RUNTIEM_LOG test, i = %d, thread_num = %d", i, thread_num);
diff --git a/src/MESA_handle_logger.c b/src/MESA_handle_logger.c
index 7e7724c..84b0612 100644
--- a/src/MESA_handle_logger.c
+++ b/src/MESA_handle_logger.c
@@ -8,15 +8,15 @@
 #include <unistd.h>
 #include<sys/stat.h>
 
-#define LOGMSG_MAX_LEN      4096
-#define FLUSH_LOG_NUM       4096
+int LOGMSG_MAX_LEN = 4096;
+int FLUSH_LOG_NUM = 0;
 typedef struct log_handle_t
 {
     int runtime_log_level;
     int flush_log_count;
     FILE *fp;
     char runtime_log_file[1200];
-    char cur_log_file[LOGMSG_MAX_LEN];
+    char cur_log_file[4096];
 } log_handle_t;
 
 
@@ -97,7 +97,12 @@ void *MESA_create_runtime_log_handle(const char *file_path, int level)
 {
 	if(file_path == NULL)
 		return NULL;
+    char *max_len = getenv("HLOG_MSG_SIZE");
+    char *flush_num = getenv("HLOG_FLUSH_NUM");
 
+    if(max_len != NULL)LOGMSG_MAX_LEN = atoi(max_len);
+    if(flush_num != NULL)FLUSH_LOG_NUM = atoi(flush_num);
+    
     FILE *fp  = NULL;
     log_handle_t *p_handle = NULL;