diff --git a/src/mnode/src/mnodeDb.c b/src/mnode/src/mnodeDb.c
index 322db568d08eeea991630a38f47cfe91fa468f7d..f7c4ceb0550a18e1366ee2ebae5537dfc994d86e 100644
--- a/src/mnode/src/mnodeDb.c
+++ b/src/mnode/src/mnodeDb.c
@@ -1013,7 +1013,7 @@ static SDbCfg mnodeGetAlterDbOption(SDbObj *pDb, SAlterDbMsg *pAlter) {
     newCfg.daysToKeep2 = daysToKeep2;
   }
 
-  if (minRows > 0 && minRows != pDb->cfg.minRowsPerFileBlock) {
+  if (minRows >= 0 && minRows != pDb->cfg.minRowsPerFileBlock) {
     mDebug("db:%s, minRows:%d change to %d", pDb->name, pDb->cfg.minRowsPerFileBlock, minRows);
     newCfg.minRowsPerFileBlock = minRows;
   }
diff --git a/tests/script/general/db/alter_option.sim b/tests/script/general/db/alter_option.sim
index ec9c391db5eb0fbd4eb51641e864024ced9a77d1..813af583795d91241a89daaff40fe8e438725344 100644
--- a/tests/script/general/db/alter_option.sim
+++ b/tests/script/general/db/alter_option.sim
@@ -182,7 +182,11 @@ sql_error alter database db blocks -1
 sql_error alter database db blocks 10001
 
 print ============== step minrows
+sql_error alter database db minrows 0
 sql_error alter database db minrows 1
+sql_error alter database db minrows -1
+sql_error alter database db minrows 9
+sql_error alter database db minrows 1001
 sql alter database db minrows 100
 sql alter database db minrows 1000