diff --git a/3rd/jemalloc b/3rd/jemalloc
index 3541a904..896ed3a8 160000
--- a/3rd/jemalloc
+++ b/3rd/jemalloc
@@ -1 +1 @@
-Subproject commit 3541a904d6fb949f3f0aea05418ccce7cbd4b705
+Subproject commit 896ed3a8b3f41998d4fb4d625d30ac63ef2d51fb
diff --git a/service/cslave.lua b/service/cslave.lua
index 452dbaf2..e80439f3 100644
--- a/service/cslave.lua
+++ b/service/cslave.lua
@@ -260,8 +260,11 @@ skynet.start(function()
 			end
 		end)
 		skynet.wait()
+		socket.close(slave_fd)
+	else
+		-- slave_fd does not start, so use close_fd.
+		socket.close_fd(slave_fd)
 	end
-	socket.close(slave_fd)
 	skynet.error("Shakehand ready")
 	skynet.fork(ready)
 end)