From b9ad559992b68228848270bb0dd5255bab31d38e Mon Sep 17 00:00:00 2001
From: m2q1n9 <m2q1n9@users.noreply.github.com>
Date: Fri, 25 Dec 2015 17:24:50 +0800
Subject: [PATCH] fix a debug_console error

---
 service/debug_console.lua | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/service/debug_console.lua b/service/debug_console.lua
index 37b20c30..2ff5adce 100644
--- a/service/debug_console.lua
+++ b/service/debug_console.lua
@@ -231,7 +231,7 @@ function COMMAND.debug(address, fd)
 	skynet.fork(function()
 		repeat
 			local cmdline = socket.readline(fd, "\n")
-            cmdline = cmdline:gsub("(.*)\r$", "%1")
+            cmdline = cmdline and cmdline:gsub("(.*)\r$", "%1")
 			if not cmdline then
 				skynet.send(agent, "lua", "cmd", "cont")
 				break
@@ -275,5 +275,3 @@ function COMMAND.shrtbl()
 	local n, total, longest, space = memory.ssinfo()
 	return { n = n, total = total, longest = longest, space = space }
 end
-
-