diff --git a/include/util/taoserror.h b/include/util/taoserror.h
index 5106196ccdc0b96903eeb10fc93e4d2d002fc9a5..3dc3aa69b7da0a4dfc6dc7863854c982134e7a68 100644
--- a/include/util/taoserror.h
+++ b/include/util/taoserror.h
@@ -240,6 +240,7 @@ int32_t* taosGetErrno();
 #define TSDB_CODE_MND_TOO_MANY_USERS            TAOS_DEF_ERROR_CODE(0, 0x0355)
 #define TSDB_CODE_MND_INVALID_ALTER_OPER        TAOS_DEF_ERROR_CODE(0, 0x0356)
 #define TSDB_CODE_MND_AUTH_FAILURE              TAOS_DEF_ERROR_CODE(0, 0x0357)
+#define TSDB_CODE_MND_USER_NOT_AVAILABLE        TAOS_DEF_ERROR_CODE(0, 0x0358)
 
 // mnode-stable-part1
 #define TSDB_CODE_MND_STB_ALREADY_EXIST         TAOS_DEF_ERROR_CODE(0, 0x0360)
diff --git a/source/util/src/terror.c b/source/util/src/terror.c
index a19a022b0113942a25c0f7d2bd4752fc26af2c6a..cfaeca80389392d67e6f055cf38de8696615a854 100644
--- a/source/util/src/terror.c
+++ b/source/util/src/terror.c
@@ -184,6 +184,7 @@ TAOS_DEFINE_ERROR(TSDB_CODE_MND_TOO_MANY_ACCTS,           "Too many accounts")
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_USER_ALREADY_EXIST,       "User already exists")
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_USER_NOT_EXIST,           "Invalid user")
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_INVALID_USER_FORMAT,      "Invalid user format")
+TAOS_DEFINE_ERROR(TSDB_CODE_MND_USER_NOT_AVAILABLE,       "User not available")
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_INVALID_PASS_FORMAT,      "Invalid password format")
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_NO_USER_FROM_CONN,        "Can not get user from conn")
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_TOO_MANY_USERS,           "Too many users")