diff --git a/src/inc/taosdef.h b/src/inc/taosdef.h
index c3a808b7659b5be4f6de381359b731f5e816cfb0..dcbf96b495ddb7de2973bfdc83e67b52b03436be 100644
--- a/src/inc/taosdef.h
+++ b/src/inc/taosdef.h
@@ -292,7 +292,7 @@ void tsDataSwap(void *pLeft, void *pRight, int32_t type, int32_t size);
 #define TSDB_MAX_CACHE_BLOCK_SIZE       128     // 128MB for each vnode
 #define TSDB_DEFAULT_CACHE_BLOCK_SIZE   16
 
-#define TSDB_MIN_TOTAL_BLOCKS           2
+#define TSDB_MIN_TOTAL_BLOCKS           3
 #define TSDB_MAX_TOTAL_BLOCKS           10000
 #define TSDB_DEFAULT_TOTAL_BLOCKS       6
 
diff --git a/src/plugins/monitor/src/monitorMain.c b/src/plugins/monitor/src/monitorMain.c
index b31fc368affa8643993895d5860c59416bf1949d..8bf9277a43da1c2e5b21c309479ceeb8f5220be0 100644
--- a/src/plugins/monitor/src/monitorMain.c
+++ b/src/plugins/monitor/src/monitorMain.c
@@ -149,9 +149,9 @@ static void dnodeBuildMonitorSql(char *sql, int32_t cmd) {
 
   if (cmd == MONITOR_CMD_CREATE_DB) {
     snprintf(sql, SQL_LENGTH,
-             "create database if not exists %s replica 1 days 10 keep 30 cache 1 "
-             "blocks 2 maxtables 16 precision 'us'",
-             tsMonitorDbName);
+             "create database if not exists %s replica 1 days 10 keep 30 cache %d "
+             "blocks %d maxtables 16 precision 'us'",
+             tsMonitorDbName, TSDB_MIN_CACHE_BLOCK_SIZE, TSDB_MIN_TOTAL_BLOCKS);
   } else if (cmd == MONITOR_CMD_CREATE_MT_DN) {
     snprintf(sql, SQL_LENGTH,
              "create table if not exists %s.dn(ts timestamp"