diff --git a/include/util/taoserror.h b/include/util/taoserror.h
index 08e09dca2f..db6f1c0e1e 100644
--- a/include/util/taoserror.h
+++ b/include/util/taoserror.h
@@ -86,6 +86,7 @@ int32_t* taosGetErrno();
 #define TSDB_CODE_RPC_NETWORK_UNAVAIL           TAOS_DEF_ERROR_CODE(0, 0x0102)
 #define TSDB_CODE_RPC_FQDN_ERROR                TAOS_DEF_ERROR_CODE(0, 0x0103)
 #define TSDB_CODE_RPC_PORT_EADDRINUSE           TAOS_DEF_ERROR_CODE(0, 0x0104)
+#define TSDB_CODE_RPC_BROKEN_LINK               TAOS_DEF_ERROR_CODE(0, 0x0105)
 
 //client
 #define TSDB_CODE_TSC_INVALID_OPERATION         TAOS_DEF_ERROR_CODE(0, 0x0200)
diff --git a/source/util/src/terror.c b/source/util/src/terror.c
index 96f0fb21ca..3ab307dc3f 100644
--- a/source/util/src/terror.c
+++ b/source/util/src/terror.c
@@ -89,8 +89,8 @@ TAOS_DEFINE_ERROR(TSDB_CODE_REF_NOT_EXIST,                "Ref is not there")
 TAOS_DEFINE_ERROR(TSDB_CODE_RPC_REDIRECT,                 "Redirect")
 TAOS_DEFINE_ERROR(TSDB_CODE_RPC_AUTH_FAILURE,             "Authentication failure")
 TAOS_DEFINE_ERROR(TSDB_CODE_RPC_NETWORK_UNAVAIL,          "Unable to establish connection")
-TAOS_DEFINE_ERROR(TSDB_CODE_RPC_FQDN_ERROR,               "Unable to resolve FQDN")
 TAOS_DEFINE_ERROR(TSDB_CODE_RPC_PORT_EADDRINUSE,          "Port already in use")
+TAOS_DEFINE_ERROR(TSDB_CODE_RPC_BROKEN_LINK,               "Conn is broken")
 
 //client
 TAOS_DEFINE_ERROR(TSDB_CODE_TSC_INVALID_OPERATION,        "Invalid operation")