diff --git a/include/util/tdef.h b/include/util/tdef.h
index 0ebc78bedbbb1086a0c20fcc7308a8c965ef5605..e0089014aa505fcb2f95ff9e96a4b8616c89a4e1 100644
--- a/include/util/tdef.h
+++ b/include/util/tdef.h
@@ -307,9 +307,9 @@ typedef enum ELogicConditionType {
 #define TSDB_MIN_DURATION_PER_FILE      60  // unit minute
 #define TSDB_MAX_DURATION_PER_FILE      (3650 * 1440)
 #define TSDB_DEFAULT_DURATION_PER_FILE  (10 * 1440)
-#define TSDB_MIN_KEEP                   (1 * 1440)       // data in db to be reserved. unit minute
-#define TSDB_MAX_KEEP                   (365000 * 1440)  // data in db to be reserved.
-#define TSDB_MAX_KEEP_NS                (29200 * 1440)  // data in db to be reserved.
+#define TSDB_MIN_KEEP                   (1 * 1440)          // data in db to be reserved. unit minute
+#define TSDB_MAX_KEEP                   (365000 * 1440)     // data in db to be reserved.
+#define TSDB_MAX_KEEP_NS                (365 * 292 * 1440)  // data in db to be reserved.
 #define TSDB_DEFAULT_KEEP               (3650 * 1440)    // ten years
 #define TSDB_MIN_MINROWS_FBLOCK         10
 #define TSDB_MAX_MINROWS_FBLOCK         1000