diff --git a/lualib/socketchannel.lua b/lualib/socketchannel.lua
index 350423a4..fa72b891 100644
--- a/lualib/socketchannel.lua
+++ b/lualib/socketchannel.lua
@@ -328,7 +328,8 @@ local function block_connect(self, once)
 
 	r = check_connection(self)
 	if r == nil then
-		error(string.format("Connect to %s:%d failed (%s)", self.__host, self.__port, err))
+		skynet.error(string.format("Connect to %s:%d failed (%s)", self.__host, self.__port, err))
+		error(socket_error)
 	else
 		return r
 	end