diff --git a/src/util/src/tlog.c b/src/util/src/tlog.c
index 6807da07e8faae7ffacb5c99fe52decf28364464..397c17994d6cb04abecf4b7427278eb4381bf20b 100644
--- a/src/util/src/tlog.c
+++ b/src/util/src/tlog.c
@@ -323,7 +323,7 @@ char *tprefix(char *prefix) {
 }
 
 void tprintf(const char *const flags, int dflag, const char *const format, ...) {
-  if (tsTotalLogDirGB != 0 && tsAvailLogDirGB < (tsMinimalLogDirGB / 2)) {
+  if (tsTotalLogDirGB != 0 && tsAvailLogDirGB < tsMinimalLogDirGB) {
     printf("server disk space remain %.3f GB, stop write log\n", tsAvailLogDirGB);
     fflush(stdout);
     return;
@@ -375,7 +375,7 @@ void tprintf(const char *const flags, int dflag, const char *const format, ...)
 }
 
 void taosDumpData(unsigned char *msg, int len) {
-  if (tsTotalLogDirGB != 0 && tsAvailLogDirGB < (tsMinimalLogDirGB / 2)) {
+  if (tsTotalLogDirGB != 0 && tsAvailLogDirGB < tsMinimalLogDirGB) {
     printf("server disk space remain %.3f GB, stop write log\n", tsAvailLogDirGB);
     fflush(stdout);
     return;
@@ -404,7 +404,7 @@ void taosDumpData(unsigned char *msg, int len) {
 }
 
 void taosPrintLongString(const char *const flags, int dflag, const char *const format, ...) {
-  if (tsTotalLogDirGB != 0 && tsAvailLogDirGB < (tsMinimalLogDirGB / 2)) {
+  if (tsTotalLogDirGB != 0 && tsAvailLogDirGB < tsMinimalLogDirGB) {
     printf("server disk space remain %.3f GB, stop write log\n", tsAvailLogDirGB);
     fflush(stdout);
     return;