diff --git a/cmd/ledis-cli/const.go b/cmd/ledis-cli/const.go
index 1cdff8f..4e89d4d 100644
--- a/cmd/ledis-cli/const.go
+++ b/cmd/ledis-cli/const.go
@@ -5,6 +5,8 @@ var helpCommands = [][]string{
 	{"DECRBY", "key decrement", "KV"},
 	{"DEL", "key [key ...]", "KV"},
 	{"EXISTS", "key", "KV"},
+	{"EXPIRE", "key seconds", "KV"},
+	{"EXPIREAT", "key timestamp", "KV"},
 	{"GET", "key", "KV"},
 	{"GETSET", " key value", "KV"},
 	{"INCR", "key", "KV"},
@@ -13,9 +15,8 @@ var helpCommands = [][]string{
 	{"MSET", "key value [key value ...]", "KV"},
 	{"SET", "key value", "KV"},
 	{"SETNX", "key value", "KV"},
-	{"EXPIRE", "key seconds", "KV"},
-	{"EXPIREAT", "key timestamp", "KV"},
-	{"TTL", "PERSIST", "KV"},
+	{"TTL", "key", "KV"},
+	{"PERSIST", "key", "KV"},
 	{"HDEL", "key field [field ...]", "Hash"},
 	{"HEXISTS", "key field", "Hash"},
 	{"HGET", "key field", "Hash"},
@@ -56,6 +57,7 @@ var helpCommands = [][]string{
 	{"ZREM", "key member [member ...]", "ZSet"},
 	{"ZREMRANGEBYRANK", "key start stop", "ZSet"},
 	{"ZREMRANGEBYSCORE", "key min max", "ZSet"},
+	{"ZREVRANGE", "key start stop [WITHSCORES]", "ZSet"},
 	{"ZREVRANGEBYSCORE", "key max min  [WITHSCORES][LIMIT offset count]", "ZSet"},
 	{"ZREVRANK", "key member", "ZSet"},
 	{"ZSCORE", "key member", "ZSet"},
@@ -65,6 +67,7 @@ var helpCommands = [][]string{
 	{"ZEXPIREAT", "key timestamp", "ZSet"},
 	{"ZTTL", "key", "ZSet"},
 	{"ZPERSIST", "key", "ZSet"},
+	{"BDELETE", "key", "ZSet"},
 	{"BGET", "key", "Bitmap"},
 	{"BGETBIT", "key offset", "Bitmap"},
 	{"BSETBIT", "key offset value", "Bitmap"},